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GMC 2012 Sierra Series, Owner'S Manual, Page: 378 / 576

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GMC 2012 Sierra Series Owner'S Manual Download Page 378

Black plate (94,1)

GMC Sierra Owner Manual - 2012

9-94

Driving and Operating

Vehicle

Axle Ratio

Maximum Trailer Weight

GCWR (a)

2500 Series 4WD Regular Cab Long Box HD

6.0L V8

3.73

4 491 kg (9,900 lbs)

7 257 kg (16,000 lbs)

6.0L V8

—

Conventional Trailer

4.10

5 897 kg (13,000 lbs)

9 299 kg (20,500 lbs)

6.0L V8

—

Fifth-Wheel Trailer

4.10

6 532 kg (14,400 lbs)

9 299 kg (20,500 lbs)

2500 Series 4WD Extended Cab Long Box HD

6.0L V8

3.73

4 264 kg (9,400 lbs)

7 257 kg (16,000 lbs)

6.0L V8

—

Conventional Trailer

4.10

5 897 kg (13,000 lbs)

9 299 kg (20,500 lbs)

6.0L V8

—

Fifth-Wheel Trailer

4.10

6 305 kg (13,900 lbs)

9 299 kg (20,500 lbs)

2500 Series 4WD Crew Cab Long Box HD

6.0L V8

3.73

4 218 kg (9,300 lbs)

7 257 kg (16,000 lbs)

6.0L V8

—

Conventional Trailer

4.10

5 897 kg (13,000 lbs)

9 299 kg (20,500 lbs)

6.0L V8

—

Fifth-Wheel Trailer

4.10

6 260 kg (13,800 lbs)

9 299 kg (20,500 lbs)

3500 Series 2WD Regular Cab Long Box

6.0L V8 (Single Rear Wheels)
Conventional Trailer

4.10

5 897 kg (13,000 lbs)

9 299 kg (20,500 lbs)

6.0L V8 (Single Rear Wheels)
Fifth-Wheel Trailer

4.10

6 577 kg (14,500 lbs)

9 299 kg (20,500 lbs)

Summary of Contents for 2012 Sierra Series

Page 1: ...ges 5 42 Vehicle Personalization 5 52 Universal Remote System 5 60 Lighting 6 1 Exterior Lighting 6 1 Interior Lighting 6 8 Lighting Features 6 9 Infotainment System 7 1 Introduction 7 1 Radio 7 9 Aud...

Page 2: ...11 8 Additional Maintenance and Care 11 9 Recommended Fluids Lubricants and Parts 11 12 Maintenance Records 11 16 Technical Data 12 1 Vehicle Identification 12 1 Vehicle Data 12 2 Customer Information...

Page 3: ...r vehicles first sold in Canada substitute the name General Motors of Canada Limited for GMC Division wherever it appears in this manual If the vehicle has the Duramax diesel engine see the Duramax di...

Page 4: ...These mean there is something that could hurt you or other people Notice This means there is something that could result in property or vehicle damage This would not be covered by the vehicle s warran...

Page 5: ...m ABS Audio Steering Wheel Controls or OnStar Brake System Warning Light Charging System I Cruise Control B Engine Coolant Temperature O Exterior Lamps Fog Lamps Fuel Gauge Fuses 3 Headlamp High Low B...

Page 6: ...Black plate 6 1 GMC Sierra Owner Manual 2012 vi Introduction 2 NOTES I n f o r ma t i o nP r o v i d e db y...

Page 7: ...Pedal Adjustment 1 17 Interior Lighting 1 18 Exterior Lighting 1 19 Windshield Wiper Washer 1 19 Climate Controls 1 20 Transmission 1 22 Four Wheel Drive 1 23 Vehicle Features Radio s 1 25 Satellite...

Page 8: ...Black plate 2 1 GMC Sierra Owner Manual 2012 1 2 In Brief Instrument Panel Instrument Panel Base Uplevel Version I n f o r ma t i o nP r o v i d e db y...

Page 9: ...ped See Manual Mode on page 9 41 G Infotainment on page 7 1 H Instrument Panel Storage on page 4 1 I Integrated Trailer Brake Controller If Equipped See Trailer Towing on page 9 84 J Exterior Lamp Con...

Page 10: ...kes in the Duramax diesel supplement V Power Outlets on page 5 10 W Climate Control Systems with Air Conditioning on page 8 1 or Climate Control Systems with Heater Only on page 8 4 If Equipped Dual A...

Page 11: ...Black plate 5 1 GMC Sierra Owner Manual 2012 In Brief 1 5 2 NOTES I n f o r ma t i o nP r o v i d e db y...

Page 12: ...Black plate 6 1 GMC Sierra Owner Manual 2012 1 6 In Brief Instrument Panel Premium Version I n f o r ma t i o nP r o v i d e db y...

Page 13: ...Trailer Brake Controller If Equipped See Trailer Towing on page 9 84 K Dome Lamps on page 6 8 L Automatic Transfer Case Control If Equipped See Four Wheel Drive on page 10 32 M Data Link Connector DLC...

Page 14: ...On Off Switch on page 3 32 Initial Drive Information This section provides a brief overview about some of the important features that may or may not be on your specific vehicle For more detailed infor...

Page 15: ...icle starts the parking lamps will turn on and remain on as long as the engine is running The doors will be locked and the climate control system may come on The engine will continue to run for 10 min...

Page 16: ...itches are located on each door The driver door also has a switch for the passenger and rear windows Push the switch to lower the window Pull the switch up to raise it For more information see Windows...

Page 17: ...uipped Move the seat forward or rearward by sliding the control forward or rearward If available raise or lower the front or rear part of the seat cushion by moving the front or rear of the control up...

Page 18: ...r rear of the control to increase or decrease lumbar support To raise or lower the height of the support press and hold the top or bottom of the control See Lumbar Adjustment on page 3 4 for more info...

Page 19: ...page 3 5 for more information Power Reclining Seatbacks To adjust a power seatback if equipped Tilt the top of the control rearward to recline Tilt the top of the control forward to raise See Reclini...

Page 20: ...outside mirrors and adjustable throttle and brake pedals if equipped will move to the position previously stored for the identified driver See Memory Seats on page 3 7 and Vehicle Personalization Wit...

Page 21: ...page 3 3 Safety Belts Refer to the following sections for important information on how to use safety belts properly Safety Belts on page 3 12 How to Wear Safety Belts Properly on page 3 13 Lap Shoulde...

Page 22: ...ain to deselect the mirror See Manual Mirrors on page 2 14 or Power Mirrors on page 2 15 If the vehicle has towing mirrors they can be adjusted for a clearer view of the objects behind you Manually pu...

Page 23: ...Mirror on page 2 17 for more information Steering Wheel Adjustment The tilt lever is located on the lower left side of the steering column To adjust the steering wheel 1 Hold the steering wheel and pu...

Page 24: ...button is located next to the exterior lamps control k Press the button in and the dome lamps remain off when a door is opened Press the button again to return it to the extended position so that the...

Page 25: ...ment panel lights and license plate lamps 5 Turns on the headlamps parking lamps taillamps instrument panel lights and license plate lamps For more information see Exterior Lamp Controls on page 6 1 D...

Page 26: ...ese systems control the heating cooling and ventilation Climate Control System With Air Conditioning A Fan Control B Temperature Control C Air Delivery Mode Control D Air Conditioning E Outside Air F...

Page 27: ...Climate Control System With Heater Only A Fan Control B Temperature Control C Air Delivery Mode Control See Climate Control Systems with Air Conditioning on page 8 1 or Climate Control Systems with He...

Page 28: ...S Passenger See Dual Automatic Climate Control System on page 8 5 Transmission Range Selection Mode The Range Selection Mode switch if equipped is located on the shift lever To enable the Range Select...

Page 29: ...is not available when Range Selection Mode is active See Tow Haul Mode on page 9 42 Four Wheel Drive If the vehicle has Four Wheel Drive you can send the engine s driving power to all four wheels for...

Page 30: ...eel Drive This setting is ideal for use when road surface traction conditions are variable 4 m Four Wheel High Use the Four Wheel Drive High position when extra traction is needed such as on snowy or...

Page 31: ...display additional text information related to the current FM RDS or XM station or CD MP3 or WMA song If information is available during XM CD MP3 or WMA playback the song title information displays o...

Page 32: ...r detailed instructions on setting the clock for the vehicle s specific audio system see Clock on page 5 8 Satellite Radio XM is a satellite radio service based in the 48 contiguous United States and...

Page 33: ...e radio station track on a CD or folder on an iPod or USB device c x Press to go to the previous favorite radio station track on a CD or folder on an iPod or USB device Press to reject an incoming cal...

Page 34: ...radio audio players and navigation system The navigation system provides detailed maps of most major freeways and roads After a destination has been set the system provides turn by turn instructions...

Page 35: ...n With DIC Buttons on page 5 52 for more information V Press to set or reset certain functions and to turn off or acknowledge messages on the DIC For more information see Driver Information Center DIC...

Page 36: ...he receptacle closest to the driver There may be another accessory power outlet in the rear cargo area If the vehicle has a floor console there is an accessory power outlet inside the storage bin and...

Page 37: ...pen feature To open manually press the rear of the switch to the first detent and hold until the sunroof has reached the desired position To open using express open press the rear of the switch to the...

Page 38: ...to close it Express Open Express Close To express open the sunroof fully press and release the rear of the driver side switch B until the sunroof reaches the desired position To express close the sun...

Page 39: ...e information see StabiliTrak System on page 9 59 Tire Pressure Monitor This vehicle may have a Tire Pressure Monitor System TPMS The TPMS warning light alerts you to a significant loss in pressure of...

Page 40: ...ngine off 2 Fully press the accelerator pedal slowly three times within five seconds 3 Display OIL LIFE REMAINING on the DIC If the display shows 100 the system is reset See Engine Oil Life System on...

Page 41: ...U S and Canada If you have an active OnStar subscription press the Q button and the current GPS location will be sent to an OnStar advisor who will assess your problem contact Roadside Assistance and...

Page 42: ...Black plate 36 1 GMC Sierra Owner Manual 2012 1 36 In Brief 2 NOTES I n f o r ma t i o nP r o v i d e db y...

Page 43: ...d Cab 2 9 Tailgate 2 10 Vehicle Security Vehicle Security 2 11 Anti theft Alarm System 2 11 Immobilizer 2 12 Immobilizer Operation 2 12 Exterior Mirrors Convex Mirrors 2 14 Manual Mirrors 2 14 Trailer...

Page 44: ...ified locksmith can use to make new keys Store this information in a safe place not in the vehicle See your dealer if a replacement key or additional key is needed Notice If the keys get locked in the...

Page 45: ...ions which can affect the performance of the transmitter See Remote Keyless Entry RKE System on page 2 2 With Remote Start without Remote Start Similar Remote Vehicle Start For vehicles with this feat...

Page 46: ...than two seconds to activate the panic alarm The turn signal lamps flash and the horn sounds repeatedly for 30 seconds The alarm turns off when the ignition is moved to ON RUN or L is pressed again Th...

Page 47: ...limate control system the climate control system will default to a heating or cooling mode depending on the outside temperatures If the vehicle does not have an automatic climate control system the sy...

Page 48: ...10 minutes Repeat the steps for a 10 minute time extension Remote start can be extended only once After entering the vehicle during a remote start insert and turn the key to ON RUN to drive the vehicl...

Page 49: ...moving vehicle When a door is locked the handle will not open it The chance of being thrown out of the vehicle in a crash is increased if the doors are not locked So all passengers should wear safety...

Page 50: ...n This feature can be programmed using the Driver Information Center DIC See Delay Door Lock under Vehicle Personalization With DIC Buttons on page 5 52 Automatic Door Locks The vehicle may have an au...

Page 51: ...return the door to normal operation turn the slot to the vertical position Doors Rear Doors Extended Cab To open a rear access door from the outside first open the front door Then use the handle loca...

Page 52: ...unlock the tailgate Open the tailgate by lifting up on its handle while pulling the tailgate down To shut the tailgate firmly push it upward until it latches After closing the tailgate pull it back t...

Page 53: ...ess Entry RKE transmitter The security light should flash If the delayed locking feature is active the alarm will not be activated until all doors are closed and the security light goes off 3 Close al...

Page 54: ...th the manual door lock and open the door This should set off the alarm If the alarm does not sound when it should but the headlamps flash check to see if the horn works The horn fuse may be blown To...

Page 55: ...he PASS Key III to have a new key made It is possible for the PASS Key III decoder to learn the transponder value of a new or replacement key Up to 10 keys may be programmed for the vehicle The follow...

Page 56: ...y are If you cut too sharply into the right lane you could hit a vehicle on the right Check the inside mirror or glance over your shoulder before changing lanes The passenger side mirror is convex sha...

Page 57: ...ferred position for better vision The mirror may have a turn signal arrow that flashes in the direction of the turn or lane change Power Mirrors Vehicles with outside power mirrors have controls locat...

Page 58: ...utomatic car wash To fold pull the mirror toward the vehicle Push the mirror outward to return to its original position Automatic Dimming If equipped with an automatic dimming mirror the driver outsid...

Page 59: ...ottom of the mirror forward for daytime use and pull it for nighttime use Automatic Dimming Rearview Mirror The vehicle may have an automatic dimming inside rearview mirror Automatic dimming reduces t...

Page 60: ...the front windows are up To reduce the sound open either a front window or the sunroof if equipped Manual Windows Turn the hand crank on each door to manually raise or lower the manual windows Power...

Page 61: ...ch down to the second detent then release to activate the express down mode The express down mode can be canceled at any time by pulling up on the front of the switch To open the window partway push t...

Page 62: ...lose the window The power sliding rear window cannot be operated manually Sun Visors Pull the sun visor down to block glare Detach the sun visor from the center mount to pivot to the side window or to...

Page 63: ...unshade that can be used to block the rays of the sun The roller sunshade can be manually operated with the sunroof in an open or closed position To open the sunshade press and unlatch it and roll it...

Page 64: ...ase the front of the driver side switch Press the switch again to stop it When the sunroof is opened an air deflector will automatically raise The air deflector will retract when the sunroof is closed...

Page 65: ...a Crash 3 22 Airbag System Airbag System 3 23 Where Are the Airbags 3 25 When Should an Airbag Inflate 3 27 What Makes an Airbag Inflate 3 29 How Does an Airbag Restrain 3 29 What Will You See after a...

Page 66: ...head restraint so that the top of the restraint is at the same height as the top of the occupant s head This position reduces the chance of a neck injury in a crash The height of the head restraint c...

Page 67: ...justment WARNING You can lose control of the vehicle if you try to adjust a manual driver seat while the vehicle is moving The sudden movement could startle and confuse you or make you push a pedal wh...

Page 68: ...equipped Move the seat forward or rearward by sliding the control forward or rearward If available raise or lower the front or rear part of the seat cushion by moving the front or rear of the control...

Page 69: ...in motion can be dangerous Even when buckled up the safety belts cannot do their job when reclined like this The shoulder belt cannot do its job because it will not be against your body Instead it wil...

Page 70: ...crash That could cause injury to the person sitting there Always push and pull on the seatbacks to be sure they are locked To adjust a manual seatback 1 Lift the lever The seatback will automatically...

Page 71: ...memory 1 Adjust the driver seat seatback recliner both outside mirrors and the throttle and brake pedals if equipped See Power Mirrors on page 2 15 and Adjustable Throttle and Brake Pedal on page 9 27...

Page 72: ...l control for the memory item that is not recalling for two seconds Try recalling the memory position again by pressing the appropriate memory button If the memory position is still not recalling see...

Page 73: ...uttons Similar If available the buttons are on the front doors H Cooled Seat If available press to cool the seat I Heated Seatback Press to heat the seatback only J Heated Seat and Seatback Press to h...

Page 74: ...be reduced This is normal See Remote Vehicle Start on page 2 5 for more information Rear Seats Rear Seats Extended Cab Full Bench Folding the Rear Seat Notice Folding a rear seat with the safety belts...

Page 75: ...Full Bench Folding Rear Seat Either side of the rear seat can be folded for added cargo space Notice Folding a rear seat with the safety belts still fastened may cause damage to the seat or the safet...

Page 76: ...the vehicle It is extremely dangerous to ride in a cargo area inside or outside of a vehicle In a collision passengers riding in these areas Continued WARNING Continued are more likely to be seriously...

Page 77: ...I have to wear safety belts A Airbags are supplemental systems only so they work with safety belts not instead of them Whether or not an airbag is provided all occupants still have to buckle up to ge...

Page 78: ...lide under the lap belt If you slid under it the belt would apply force on your abdomen This could cause serious or even fatal injuries Wear the shoulder belt over the shoulder and across the chest Th...

Page 79: ...he latch plate and pull the belt across you Do not let it get twisted The lap shoulder belt may lock if you pull the belt across you very quickly If this happens let the belt go back slightly to unloc...

Page 80: ...ary 4 If equipped with a shoulder belt height adjuster move it to the height that is right for you See Shoulder Belt Height Adjuster later in this section 5 To make the lap part tight pull up on the s...

Page 81: ...lts Properly on page 3 13 Regular and Crew Cab To move the adjuster down for the regular and crew cabs squeeze the buttons A on the sides of the height adjuster and move the height adjuster to the des...

Page 82: ...e If the pretensioners activate in a crash they will need to be replaced and probably other new parts for the vehicle s safety belt system See Replacing Safety Belt System Parts after a Crash on page...

Page 83: ...belt should go over the shoulder and across the chest These parts of the body are best able to take belt restraining forces 4 Buckle position and release the safety belt as described previously in thi...

Page 84: ...fety belt is worn properly it is more likely that the fetus will not be hurt in a crash For pregnant women as for anyone the key to making safety belts effective is wearing them properly Lap Belt Crew...

Page 85: ...eat it is made to fit The extender has been designed for adults Never use it for securing child seats To wear it attach it to the regular safety belt For more information see the instruction sheet tha...

Page 86: ...lp make sure the safety belt systems are working properly after a crash have them inspected and any necessary replacements made as soon as possible After a minor crash replacement of safety belts may...

Page 87: ...on the side of the seatback closest to the door With roof rail airbags the word AIRBAG will appear along the headliner or trim Airbags are designed to supplement the protection provided by safety bel...

Page 88: ...impact airbags and or roof rail airbags WARNING Children who are up against or very close to any airbag when it inflates can be seriously injured or killed Airbags plus lap shoulder belts offer protec...

Page 89: ...the steering wheel The right front passenger airbag is in the instrument panel on the passenger side Driver Side Shown Passenger Side Similar If the vehicle has seat mounted side impact airbags for th...

Page 90: ...on causing severe injury or even death The path of an inflating airbag must be kept clear Do not put anything between an occupant and an airbag and do not attach or put anything on the steering wheel...

Page 91: ...speed than if the vehicle hits an object that does not deform If the vehicle hits a narrow object like a pole the airbags could inflate at a different crash speed than if the vehicle hits a wide obje...

Page 92: ...or in a severe frontal impact Seat mounted side impact and roof rail airbags will inflate if the crash severity is above the system s designed threshold level The threshold level can vary with specifi...

Page 93: ...el or the instrument panel In moderate to severe side collisions even belted occupants can contact the inside of the vehicle Airbags supplement the protection provided by safety belts Frontal airbags...

Page 94: ...windshield or being able to steer the vehicle nor does it prevent people from leaving the vehicle WARNING When an airbag inflates there may be dust in the air This dust could cause breathing problems...

Page 95: ...eakage may also occur from the right front passenger airbag Airbags are designed to inflate only once After an airbag inflates you will need some new parts for the airbag system If you do not get them...

Page 96: ...ing System on page 3 35 This switch should only be turned to the off position if the person in the right front passenger position is a member of a passenger risk group identified by the national gover...

Page 97: ...s a medical condition which according to his or her physician Causes the passenger airbag to pose a special risk for the passenger and Makes the potential harm from the passenger airbag in a crash gre...

Page 98: ...rbag off light will come on and stay on to let you know that the right front passenger s airbag is off See Airbag On Off Light on page 5 21 WARNING If the airbag readiness light ever comes on and stay...

Page 99: ...le s sun visors refers to ADVANCED AIRBAGS United States Canada and Mexico The words ON and OFF or the symbol for on and off will be visible during the system check If you are using remote start to st...

Page 100: ...em is fail safe No one can guarantee that an airbag will not deploy under some unusual circumstance even though the airbag is turned off Secure rear facing child restraints in a rear seat even if the...

Page 101: ...re is an airbag for that person WARNING If the airbag readiness light ever comes on and stays on it means that something may be wrong with the airbag system To help avoid injury to yourself or others...

Page 102: ...sture and body build It is better to secure the child restraint in a rear seat If the Off Indicator is Lit for an Adult Size Occupant If a person of adult size is sitting in the right front passenger...

Page 103: ...tart again A thick layer of additional material such as a blanket or cushion or aftermarket equipment such as seat covers seat heaters and seat massagers can affect how well the passenger sensing syst...

Page 104: ...out the vehicle that could keep the airbags from working properly A Yes If you add things that change your vehicle s frame bumper system height front end or side sheet metal they may keep the airbag s...

Page 105: ...ll it keep the airbags from working properly A We have designed our airbag systems to work properly under a wide range of conditions including snow plowing with vehicles that have the optional Snow Pl...

Page 106: ...ur dealer for service Replacing Airbag System Parts after a Crash WARNING A crash can damage the airbag systems in the vehicle A damaged airbag system may not work properly and may not protect you and...

Page 107: ...5 for more information If the shoulder belt still does not rest on the shoulder then return to the booster seat Does the lap belt fit low and snug on the hips touching the thighs If yes continue If no...

Page 108: ...rces In a crash the two children can be crushed together and seriously injured A safety belt must be used by only one person at a time WARNING Never do this Never allow a child to wear the safety belt...

Page 109: ...safety belts Airbags plus lap shoulder belts offer protection for adults and older children but not for young children and infants Neither the vehicle s safety belt system nor its airbag system is de...

Page 110: ...e purchased by the vehicle owner are available in four basic types Selection of a particular restraint should take into consideration not only the child s weight height and age but also whether or not...

Page 111: ...hild s hip bones are still so small that the vehicle s regular safety belt may not remain low on the hip bones as it should Instead it may settle up around the child s abdomen In a crash the belt woul...

Page 112: ...d or killed in a crash if the child restraint is not properly secured in the vehicle Secure the child restraint properly in the vehicle using the vehicle safety belt or LATCH system following the inst...

Page 113: ...inistry of Transportation office Securing the Child Within the Child Restraint WARNING A child can be seriously injured or killed in a crash if the child is not properly secured in the child restraint...

Page 114: ...not deploy under some unusual circumstance even though it is turned off Secure rear facing child restraints in a rear seat even if the airbag is off If you secure a forward facing child restraint in t...

Page 115: ...raint during driving or in a crash This system is designed to make installation of a child restraint easier The LATCH system uses anchors in the vehicle and attachments on the child restraint that are...

Page 116: ...op tether anchor in the vehicle in order to reduce the forward movement and rotation of the child restraint during driving or in a crash Your child restraint may have a single tether A or a dual tethe...

Page 117: ...nts Rear Seat Position on page 3 60 or Securing Child Restraints Center Front Seat Position on page 3 62 or Securing Child Restraints Right Front Seat Position on page 3 62 for more information Crew a...

Page 118: ...ther anchors are located under covers on the back panel behind the passenger seat Remove the trim plug to access the anchor Be sure to use an anchor located on the same side of the vehicle as the seat...

Page 119: ...ed for the LATCH System WARNING If a LATCH type child restraint is not attached to anchors the child restraint will not be able to protect the child correctly In a crash the child could be seriously i...

Page 120: ...belt or the seat Unbuckle and return the safety belt to its stowed position before folding the seat Regular Cab Models 1 If the child restraint manufacturer recommends that the top tether be attached...

Page 121: ...child restraint make sure it is securely held in place To check grasp the child restraint at the LATCH path and attempt to move it side to side and back and forth There should be no more than 2 5 cm 1...

Page 122: ...tion A Raise the headrest or head restraint B Route the top tether B between the headrest or head restraint posts through the loop A behind the inboard headrest or head restraint post and under the ce...

Page 123: ...restraint make sure it is securely held in place To check grasp the child restraint at the LATCH path and attempt to move it side to side and back and forth There should be no more than 2 5 cm 1 in o...

Page 124: ...e anchored or if the instructions that come with the child restraint say that the top strap must be anchored In Canada the law requires that forward facing child restraints have a top tether and that...

Page 125: ...an be tightened but not pulled out of the retractor 5 To tighten the belt push down on the child restraint pull the shoulder portion of the belt to tighten the lap portion of the belt and feed the sho...

Page 126: ...connect it Securing Child Restraints Center Front Seat Position WARNING A child in a child restraint in the center front seat can be badly injured or killed by the frontal airbags if they inflate Neve...

Page 127: ...unusual circumstance even though it is turned off Secure rear facing child restraints in a rear seat even if the airbag is off If you secure a forward facing child restraint in the right front seat al...

Page 128: ...he off indicator in the passenger airbag status indicator should light and stay lit when you start the vehicle See Passenger Airbag Status Indicator on page 5 23 2 Put the child restraint on the seat...

Page 129: ...side to side and back and forth When the child restraint is properly installed there should be no more than 2 5 cm 1 in of movement If the vehicle is equipped with a passenger sensing system and when...

Page 130: ...antee that an airbag will not deploy under some unusual circumstance even though it is turned off Secure rear facing child restraints in a rear seat even if the airbag is off If you secure a forward f...

Page 131: ...the lap shoulder belt to secure the child restraint in this position Follow the instructions that came with the child restraint 1 Move the seat as far back as it will go before securing the forward f...

Page 132: ...tractor is locked If the retractor is not locked repeat Steps 5 and 6 7 If your vehicle does not have a rear seat and your child restraint has a top tether follow the child restraint manufacturer s in...

Page 133: ...ssenger s airbag inflates This is because the back of the rear facing child restraint would be very close to the inflating airbag Always secure a rear facing child restraint in a rear seat If the vehi...

Page 134: ...3 Pick up the latch plate and run the lap and shoulder portions of the vehicle s safety belt through or around the restraint The child restraint instructions will show you how 4 Push the latch plate i...

Page 135: ...If your child restraint has a top tether follow the child restraint manufacturer s instructions regarding the use of the top tether See Lower Anchors and Tethers for Children LATCH System on page 3 51...

Page 136: ...Black plate 72 1 GMC Sierra Owner Manual 2012 3 72 Seats and Restraints 2 NOTES I n f o r ma t i o nP r o v i d e db y...

Page 137: ...ed above the glove box Access the storage area by pressing and holding in the driver side of the handle and pull out on the exposed portion of the handle Glove Box Lift up on the glove box lever to op...

Page 138: ...ck to access the cupholders Center Console Storage Vehicles with an upper and lower center console storage area have cupholders included Pull the lever A up to access the upper storage area Raise the...

Page 139: ...ing Light 5 27 Antilock Brake System ABS Warning Light 5 28 Four Wheel Drive Light 5 29 Tow Haul Mode Light 5 29 StabiliTrak OFF Light 5 30 Traction Control System TCS StabiliTrak Light 5 30 Tire Pres...

Page 140: ...versal Remote System 5 60 Universal Remote System Programming 5 60 Universal Remote System Operation 5 65 Controls Steering Wheel Adjustment The tilt lever is located on the lower left side of the ste...

Page 141: ...c x to go to the next or previous track Selecting Tracks on an iPod or USB Device Vehicles without a Navigation System 1 Press and hold w or c x while listening to a song until the contents of the cur...

Page 142: ...Mute Push to Talk Press to silence the vehicle speakers only Press again to turn the sound on For vehicles with Bluetooth or OnStar systems press and hold for longer than two seconds to interact with...

Page 143: ...er The front wiper control is located on the turn and lane change lever The windshield wipers are controlled by turning the band with z on it 8 Mist For a single wipe turn to 8 then release For severa...

Page 144: ...es such as during a long distance cross country trip or moving to a new state or province it will be necessary to compensate for compass variance by resetting the zone through the DIC if the zone is n...

Page 145: ...mpass Calibration The compass can be manually calibrated Only calibrate the compass in a magnetically clean and safe location such as an open parking lot where driving the vehicle in circles is not a...

Page 146: ...the compass calibration Or if the vehicle does not have DIC buttons press and hold the trip odometer reset stem for two seconds to start the compass calibration 4 The DIC will display CALIBRATING DRIV...

Page 147: ...that setting 4 To increase the time or date do one of the following Press the softkey below the selected tab Press the SEEK button Press the FWD button Turn the f knob clockwise 5 To decrease the time...

Page 148: ...key under the H tab 2 Press the softkey located below the forward arrow tab 12H 24H the date MM DD month and day and DD MM day and month displays 3 Press the softkey located below the desired option 4...

Page 149: ...ompatible to the accessory power outlet and could overload vehicle or adapter fuses If a problem is experienced see your dealer When adding electrical equipment be sure to follow the proper installati...

Page 150: ...and Indicators Warning lights and gauges can signal that something is wrong before it becomes serious enough to cause an expensive repair or replacement Paying attention to the warning lights and gaug...

Page 151: ...plate 13 1 GMC Sierra Owner Manual 2012 Instruments and Controls 5 13 Instrument Cluster English Light Duty Premium Shown Metric Uplevel Base and Heavy Duty Similar I n f o r ma t i o nP r o v i d e...

Page 152: ...ion is turned on See Driver Information Center DIC on page 5 33 for more information Trip Odometer The trip odometer shows how far the vehicle has been driven since the trip odometer was last set to z...

Page 153: ...e information Here are some situations owners can experience with the fuel gauge None of these indicate a problem with the fuel gauge At the gas station the fuel pump shuts off before the gauge reads...

Page 154: ...ssure light comes on See Engine Oil Pressure Light on page 5 31 for more information A reading outside the normal operating range can be caused by a dangerously low oil level or some other problem cau...

Page 155: ...e vehicle warranty Always follow the maintenance schedule for changing engine oil If the vehicle has a diesel engine see the Duramax diesel supplement for more information If the vehicle is a hybrid s...

Page 156: ...the vehicle is a hybrid see the hybrid supplement for more information Voltmeter Gauge This gauge indicates the battery voltage when the ignition is turned on When the ignition is on this gauge indic...

Page 157: ...icle serviced as soon as possible Safety Belt Reminders Driver Safety Belt Reminder Light There is a driver safety belt reminder light on the instrument panel cluster When the vehicle is started this...

Page 158: ...sor s the pretensioners the airbag modules the wiring and the crash sensing and diagnostic module For more information on the airbag system see Airbag System on page 3 23 The airbag readiness light co...

Page 159: ...ck Then after several more seconds the status indicator ON or OFF or either the on or off symbol will light to let you know the status of the right front passenger frontal airbag When the right front...

Page 160: ...ss light ever comes on and stays on it means that something may be wrong with the airbag system For example the right front passenger airbag could inflate even though the airbag on off switch is turne...

Page 161: ...ng system for the right front passenger position the label on the vehicle s sun visor refers to ADVANCED AIRBAGS United States Canada and Mexico When the vehicle is started the passenger airbag status...

Page 162: ...n the ignition key is turned to START but the engine is not running as a check to show it is working If it does not have the vehicle serviced by your dealer The light should go out once the engine sta...

Page 163: ...ell the vehicle fuel economy might not be as good and the engine might not run as smoothly This could lead to costly repairs that might not be covered by the vehicle warranty Notice Modifications made...

Page 164: ...ity causes the engine not to run as efficiently as designed and may cause stalling after start up stalling when the vehicle is changed into gear misfiring hesitation on acceleration or stumbling on ac...

Page 165: ...ng This can take several days of routine driving If this has been done and the vehicle still does not pass the inspection for lack of OBD II system readiness your dealer can prepare the vehicle for in...

Page 166: ...harder to push or might go closer to the floor It can take longer to stop If the light is still on have the vehicle towed for service See Towing the Vehicle on page 10 96 If the vehicle is a hybrid se...

Page 167: ...age 5 43 for all brake related DIC messages If the vehicle is a hybrid see the hybrid supplement for more information Four Wheel Drive Light For vehicles equipped with the four wheel drive light it co...

Page 168: ...m on page 9 59 and Ride Control System Messages on page 5 47 for more information Traction Control System TCS StabiliTrak Light The TCS StabiliTrak light comes on briefly when the engine is started If...

Page 169: ...onitor Operation on page 10 65 for more information Engine Oil Pressure Light WARNING Do not keep driving if the oil pressure is low The engine can become so hot that it catches fire Someone could be...

Page 170: ...working normally the indicator light turns off If it does not come on have the vehicle serviced by your dealer If the light stays on and the engine does not start there could be a problem with the th...

Page 171: ...ut when the cruise control is turned off See Cruise Control on page 9 63 for more information Information Displays Driver Information Center DIC The vehicle has a Driver Information Center DIC The DIC...

Page 172: ...the following pages 3 Trip Fuel Press this button to display the odometer trip odometer fuel range average economy fuel used timer transmission temperature and instantaneous economy and Active Fuel M...

Page 173: ...to set the trip odometer to the number of miles kilometers driven since the ignition was last turned on This can be used if the trip odometer is not reset at the beginning of the trip To use the retr...

Page 174: ...em To reset the fuel used information press and hold the set reset button while FUEL USED is displayed Speedometer The speedometer shows how fast the vehicle is moving in either kilometers per hour km...

Page 175: ...ress this button to scroll through the following menu items Oil Life Press the vehicle information button until OIL LIFE REMAINING displays This display shows an estimate of the oil s remaining useful...

Page 176: ...age 5 49 for more information If the tire pressure display shows dashes instead of a value there may be a problem with the vehicle If this consistently occurs see your dealer for service Trailer Gain...

Page 177: ...Press the trip odometer reset stem until TRIP displays This display shows the current distance traveled in either kilometers km or miles mi since the last reset for the trip odometer The trip odomete...

Page 178: ...shows the total number of hours the engine has run Trip Odometer Reset Stem Menu Items without DIC Buttons Language This display allows you to select the language in which the DIC messages will appear...

Page 179: ...automatic transmission fluid in either degrees Celsius C or degrees Fahrenheit F Trailer Gain and Output On vehicles with the Integrated Trailer Brake Control ITBC system the trailer brake display app...

Page 180: ...addition to the engine oil life system monitoring the oil life additional maintenance is recommended in the Maintenance Schedule in this manual See Maintenance Schedule on page 11 3 for more informat...

Page 181: ...system See Brake System Warning Light on page 5 27 If this message appears stop as soon as possible and turn off the vehicle Restart the vehicle and check for the message on the DIC display If the me...

Page 182: ...SENGER DOOR OPEN This message displays and a chime may sound if the front passenger door is not fully closed and the vehicle is shifted out of P Park Stop and turn off the vehicle check the door for o...

Page 183: ...trument panel cluster and or DIC stop the vehicle as soon as possible See Engine Overheating on page 10 23 for more information This message displays and a chime may sound if the engine cooling system...

Page 184: ...s engine power is reduced Reduced engine power can affect the vehicle s ability to accelerate If this message is on but there is no reduction in performance proceed to your destination The performanc...

Page 185: ...hat the URPA system has been turned off Press the set reset button or the trip odometer reset stem to acknowledge this message and clear it from the DIC display To turn the URPA system back on see Ult...

Page 186: ...your driving accordingly To limit wheel spin and realize the full benefits of the stability enhancement system you should normally leave StabiliTrak on However you should turn StabiliTrak off if the...

Page 187: ...the fast idle feature is on See Fast Idle System on page 9 31 for more information Tire Messages SERVICE TIRE MONITOR SYSTEM If the vehicle has the Tire Pressure Monitor System TPMS this message disp...

Page 188: ...the vehicle has four wheel drive this message may display if a problem occurs with the four wheel drive system If this message appears stop as soon as possible and turn off the vehicle Make sure the...

Page 189: ...this message still displays either the vehicle or the trailer needs service See your dealer See Integrated Trailer Brake Control System under Towing Equipment on page 9 100 for more information ICE PO...

Page 190: ...in on the battery turn the headlamps off 2 Press the customization button to scroll through the available customizable options Feature Settings Menu Items The following customization features allow yo...

Page 191: ...ult The doors will automatically lock when the vehicle is shifted out of P Park AT VEHICLE SPEED The doors will automatically lock when the vehicle speed is above 13 km h 8 mph for three seconds NO CH...

Page 192: ...nce to access the settings for this feature Then press the customization button to scroll through the following settings OFF There will be no feedback when you press the lock button on the RKE transmi...

Page 193: ...e out of the ignition for this feature to work You can temporarily override delayed locking by pressing the power door lock switch twice See Delayed Locking on page 2 8 for more information Press the...

Page 194: ...ON default If it is dark enough outside the exterior lights will turn on briefly when you unlock the vehicle with the RKE transmitter The lights will remain on for 20 seconds until the lock button on...

Page 195: ...o change will be made to this feature The current setting will remain To select a setting press the set reset button while the desired setting is displayed on the DIC EASY EXIT RECALL If the vehicle h...

Page 196: ...he vehicle has this feature it allows you to select your preference for the remote memory seat recall feature See Memory Seats on page 3 7 for more information Press the customization button until MEM...

Page 197: ...ess the customization button to scroll through the following settings RESTORE ALL default The customization features will be set to their factory default settings DO NOT RESTORE The customization feat...

Page 198: ...steps involved it may be helpful to have another person assist with programming the transmitter Be sure to keep the original remote control transmitter for use in other vehicles as well as for future...

Page 199: ...oor until the garage door moves The indicator light above the selected button should slowly blink This button may need to be held for up to 20 seconds 4 Immediately within one second release the butto...

Page 200: ...rage door opener motor If there is a row of dip switches similar to the graphic above the garage door opener is a Fixed Code unit If you do not see a row of dip switches return to the previous section...

Page 201: ...e 0 or Neutral 2 Write down the 8 to 12 switch settings from left to right as follows When a switch is in the up position write Left When a switch is in the down position write Right If a switch is se...

Page 202: ...ons once again firmly press and release all three buttons at the same time The indicator lights will turn on 6 Press and hold the button that will be used to control the garage door until the garage d...

Page 203: ...vehicle is sold or the lease ends To erase either Rolling Code or Fixed Code settings on the Universal Home Remote device 1 Press and hold the two outside buttons at the same time for approximately 2...

Page 204: ...Black plate 66 1 GMC Sierra Owner Manual 2012 5 66 Instruments and Controls 2 NOTES I n f o r ma t i o nP r o v i d e db y...

Page 205: ...ted Lamp 6 7 Interior Lighting Instrument Panel Illumination Control 6 8 Cargo Lamp 6 8 Dome Lamps 6 8 Reading Lamps 6 9 Lighting Features Entry Lighting 6 9 Exit Lighting 6 9 Battery Load Management...

Page 206: ...Information Center DIC on page 5 33 Parking Lamps Turns on the parking lamps together with the following Instrument Panel Lights Taillamps License Plate Lamps Roof Marker Lamps If Equipped 2 Headlamp...

Page 207: ...er in front of you that you want to pass It works even if the headlamps are in the automatic position To use it pull the turn signal lever toward you then release it If the headlamps are in the automa...

Page 208: ...rns on the headlamps at the normal brightness along with the taillamps sidemarker parking lamps and the instrument panel lights The radio lights will also be dim To turn off the automatic headlamp sys...

Page 209: ...lamp system off turn the control to the off position The headlamps will also stay on after you exit the vehicle This feature can be programmed using the Driver Information Center DIC See Vehicle Perso...

Page 210: ...ly or do not come on a signal bulb could be burned out Have the bulbs replaced If the bulb is not burned out check the fuse See Fuses and Circuit Breakers on page 10 47 Turn Signal On Chime If the tur...

Page 211: ...ill activate the lamp and illuminate an indicator light at the bottom of this button Pressing the top of the button will turn off the roof mounted lamp and indicator The emergency roof lamp circuit is...

Page 212: ...nel and also turns on the dome lamps The cargo lamps can be used if more light is needed in the cargo area of the vehicle or in the top box storage units Dome Lamps The dome lamps are located in the o...

Page 213: ...osition If the dome override button is pressed in the lamps will not come on Exit Lighting The interior lamps come on when the key is removed from the ignition They turn off automatically in 20 second...

Page 214: ...vehicle s electrical needs It can increase engine idle speed to generate more power whenever needed It can temporarily reduce the power demands of some accessories Normally these actions occur in step...

Page 215: ...Entertainment RSE System 7 38 Rear Seat Audio RSA System 7 48 Phone Bluetooth 7 50 Trademarks and License Agreements Trademarks and License Agreements 7 58 Introduction Infotainment Determine which ra...

Page 216: ...the engine radio or other systems and could damage them Follow federal rules covering mobile radio and telephone equipment The vehicle has Retained Accessory Power RAP With RAP the audio system can be...

Page 217: ...Black plate 3 1 GMC Sierra Owner Manual 2012 Infotainment System 7 3 Operation AM FM Radio I n f o r ma t i o nP r o v i d e db y...

Page 218: ...te 4 1 GMC Sierra Owner Manual 2012 7 4 Infotainment System Radio with CD MP3 Shown Radio with USB and CD MP3 Radio with USB and Six Disc CD MP3 and Radio with CD Similar I n f o r ma t i o nP r o v i...

Page 219: ...stem See Rear Seat Entertainment RSE System on page 7 38 for more information on the vehicle s RSE system The DVD player is the top slot on the radio faceplate The player is capable of reading the DTS...

Page 220: ...ctivate SCV 1 Set the radio volume to the desired level 2 Press the MENU button to display the radio setup menu 3 Press the softkey under the AUTO VOLUM automatic volume tab on the radio display 4 Pre...

Page 221: ...s weak or if there is static decrease the treble To quickly adjust bass midrange or treble to the middle position press the softkey positioned under the BASS MID or TREB tab for more than two seconds...

Page 222: ...3 Adjust the setting by doing one of the following Turn the f knob clockwise or counterclockwise Press the SEEK or SEEK Press the FWD or s REV To quickly adjust all speaker and tone controls to the mi...

Page 223: ...y select radio stations SEEK Press to seek the previous radio station Press and hold for a few seconds until a beep sounds to scan for radio stations in descending order press the SEEK button again to...

Page 224: ...rammed on the six numbered pushbuttons Setting Preset Stations To store presets 1 Tune to a radio station 2 Press and hold one of the six numbered pushbuttons for three seconds until a beep sounds 3 R...

Page 225: ...tion is available the song title information displays on the top line of the display and artist information displays on the bottom line When information is not available NO INFO displays Finding a Cha...

Page 226: ...d below the XM CAT tab 3 Turn the f knob to display the category to add or remove 4 Press the softkey located under the Add or Remove tab To restore all removed categories press the softkey under the...

Page 227: ...by calling 1 800 929 2100 in the U S and 1 877 438 9677 in Canada XM Updating The encryption code in the receiver is being updated and no action is required This process should take no longer than 30...

Page 228: ...could be a receiver fault Consult with your dealer Check Antenna If this message does not clear within a short period of time the receiver or antenna could have a fault Consult with your dealer Check...

Page 229: ...vehicle s radio This interference may occur when making or receiving phone calls charging the phone s battery or simply having the phone on This interference causes an increased level of static while...

Page 230: ...the method of recording the quality of the music that has been recorded and the way the CD R or CD RW has been handled Handle them carefully Store CD Rs or CD RWs in their original cases or other prot...

Page 231: ...Z EJECT button for two seconds Playing a CD If the ignition or radio is turned off with a CD in the player it stays in the player When the ignition or radio is turned on the CD starts playing where it...

Page 232: ...a track FWD Fast Forward Press and hold to advance playback quickly within a track RPT Repeat For the AM FM Radio with CD press and release the RPT button to repeat the current track Press RPT again t...

Page 233: ...les Playlists with an m3u or wpl extension Files with an mp3 wma or cda file extension Root Directory The root directory is treated as a folder Files are stored in the root directory when the disc or...

Page 234: ...file folders can be played If a CD R or CD RW contains more than the maximum of 50 folders 15 playlists and 512 folders and files the player allows access and navigates up to the maximum but all items...

Page 235: ...vigator Press the softkey below the h tab to play the files in order by artist or album The player scans the disc to sort the files by artist and album ID3 tag information It can take several minutes...

Page 236: ...CD is not playing correctly for any other reason try a known good CD If any error occurs repeatedly or if an error cannot be corrected contact your dealer If the radio displays an error message write...

Page 237: ...speakers at one time An audio source is defined as DVD slot CD slot XM FM AM front auxiliary jack USB port or rear auxiliary jack Press the O button to turn the radio on The radio can be heard through...

Page 238: ...m on page 7 48 for more information The DVD CD decks the upper slot is the DVD deck and the lower slot is the CD deck of the radio are compatible with most audio CDs CD Rs CD RWs and MP3s When a CD is...

Page 239: ...tiple times to continue moving backward through the tracks on the CD SEEK Press to go to the next track Press and hold or press multiple times to continue moving forward through the tracks on the CD s...

Page 240: ...the next folder that contains files No Folder When the disc contains only compressed files the files are located under the root folder The next and previous folder function does not function on a dis...

Page 241: ...WinAmp MusicMatch or Real Jukebox software can be accessed however they cannot be edited using the radio These playlists are treated as special folders containing compressed audio song files Playlists...

Page 242: ...press the softkey located below either arrow tab The disc goes to the next or previous artist in alphabetical order Continue pressing either softkey below the arrow tab until the artist displays To ch...

Page 243: ...control Loading a disc into the system depending on media type and format ranges from 5 to 20 seconds for a CD and up to 30 seconds for a DVD Ejecting a Disc Z DVD Eject Press and release to eject the...

Page 244: ...Parental Control feature remains on until the knob is pressed and held for more than two seconds again or until the driver turns the ignition off and exits the vehicle f Tune Turn to select tracks on...

Page 245: ...on only operates when using a DVD Nav Navigate Press to display directional arrows for navigating through the menus q Return Press to exit the current active menu and return to the previous menu This...

Page 246: ...tabs displayed on the radio If the radio is sourced to something other than DVD V press the DVD CD AUX button to make DVD V the active source To resume DVD playback press the r j button on the remote...

Page 247: ...ice such as an iPod MP3 player or CD player for use as another source for audio listening This input jack is not an audio output do not plug headphones into the front auxiliary input jack Drivers are...

Page 248: ...xiliary and rear auxiliary if available See Using the Auxiliary Input Jack in this section or Audio Video A V Jacks under Rear Seat Entertainment RSE System on page 7 38 for more information Using the...

Page 249: ...od charges while it is connected to the vehicle if the vehicle is in the ACC ACCESSORY or ON RUN position When the vehicle is turned off the iPod automatically powers off and will not charge or draw p...

Page 250: ...ss the softkey below j again to resume playback Back Press the softkey below the back tab to go back to the main display screen on an iPod or the root directory on a USB storage device c Folder View P...

Page 251: ...oftkey 1 through the list each time the softkey is pressed Third softkey 5 through the list each time the softkey is pressed Fourth softkey 10 through the list each time the softkey is pressed Fifth s...

Page 252: ...eo jacks two wireless headphones and a remote control See CD DVD Player on page 7 22 for more information on the vehicle s CD DVD player Before Driving The RSE is designed for rear seat passengers onl...

Page 253: ...ncludes two 2 channel wireless headphones that are dedicated to this system Channel 1 is dedicated to the video screen while Channel 2 is dedicated to Rear Seat Audio RSA selections These headphones c...

Page 254: ...cup and should be positioned on the right ear Notice Do not store the headphones in heat or direct sunlight This could damage the headphones and repairs will not be covered by the warranty Storage in...

Page 255: ...e video screen power on If the video screen is in the DVD player mode pressing the AUX auxiliary button on the remote control switches the video screen from the DVD player mode to the auxiliary device...

Page 256: ...from the auxiliary device through the wireless or wired headphones The front seat passengers are able to listen to playback from this device through the vehicle speakers by selecting AUX as the sourc...

Page 257: ...hot area or in direct sunlight can damage it and the repairs will not be covered by the warranty Storage in extreme cold can weaken the batteries Keep the remote control stored in a cool dry place If...

Page 258: ...layed slowly by pressing the play pause button and then pressing the fast reverse button To cancel slow play mode press the play pause button t Previous Track Chapter Press this button to return to th...

Page 259: ...function vary for each disc 1 through 0 Numeric Keypad The numeric keypad provides the capability of direct chapter or track number selection Clear Press this button within three seconds after enterin...

Page 260: ...ces The remote control does not work Check to make sure there is no obstruction between the remote control and the transmitter window Check the batteries to make sure they are not dead or installed in...

Page 261: ...ideo screen can display one of the following Disc Load Eject Error This message displays when there are disc load or eject problems Disc Format Error This message displays if the disc is inserted with...

Page 262: ...nd on the RSA or the front radio will change the band on the other system if they are both sourced to the radio The RSA functions can be used even while the main radio is off The front audio system wi...

Page 263: ...s the right seek arrow to go the next track or chapter on the disc This function is inactive with some radios if the front seat passengers are listening to the disc While a DVD video menu is being dis...

Page 264: ...ell phone has voice dialing capability learn to use that feature to access the address book or contact list See Voice Pass Thru in this section for more information See Storing and Deleting Phone Numb...

Page 265: ...d calls a minimum volume level is used if the volume is turned down too low Bluetooth Controls Use the buttons located on the steering wheel to operate the in vehicle Bluetooth system See Steering Whe...

Page 266: ...one manufacturer s user guide 5 Locate the device named Your Vehicle in the list on the cell phone Follow the instructions on the cell phone to enter the PIN provided in Step 3 After the PIN is succes...

Page 267: ...ds are used to delete and store phone numbers Store This command will store a phone number or a group of numbers as a name tag Digit Store This command allows a phone number to be stored as a name tag...

Page 268: ...s 1 Press and hold b g for two seconds 2 Say Delete all name tags Listing Stored Numbers The list command will list all stored numbers and name tags Using the List Command 1 Press and hold b g for two...

Page 269: ...last digit has been entered say Dial Once connected the person called will be heard through the audio speakers Using the Re dial Command 1 Press and hold b g for two seconds 2 After the tone say Re d...

Page 270: ...el mute press b g and then say Un mute call Transferring a Call Audio can be transferred between the Bluetooth system and the cell phone The cell phone must be paired and connected with the Bluetooth...

Page 271: ...s can also be stored for use Sending a Number or Name Tag During a Call 1 Press b g The system responds Ready followed by a tone 2 Say Dial 3 Say the number or name tag to send Clearing the System Unl...

Page 272: ...4 5 974 380 5 978 762 6 487 535 other U S and worldwide patents issued pending DTS and the Symbol are registered trademarks and DTS Digital Surround and the DTS logos are trademarks of DTS Inc All Rig...

Page 273: ...Only 8 4 Dual Automatic Climate Control System 8 5 Air Vents Air Vents 8 11 Climate Control Systems Climate Control Systems with Air Conditioning With this system the heating cooling and ventilation...

Page 274: ...or moisture Air is directed to the windshield floor outlets and side window vents 0 Defrost This mode removes fog or frost from the windshield more quickly Air is directed to the windshield and the si...

Page 275: ...e from the air so a small amount of water might drip under the vehicle while idling or after turning off the engine This is normal Rear Window Defogger For vehicles with a rear window defogger a warmi...

Page 276: ...knob all the way counterclockwise to turn the front system off Air Delivery Mode Control Turn clockwise or counterclockwise to increase or decrease the temperature inside the vehicle The knob can be...

Page 277: ...stem automatically forces outside air into the vehicle Do not drive the vehicle until all the windows are clear Dual Automatic Climate Control System The heating cooling and ventilation in the vehicle...

Page 278: ...tion later in this section Press the or buttons to increase or decrease the cabin temperature The driver side or passenger side temperature display shows the temperature setting increasing or decreasi...

Page 279: ...avoid blowing cold air in cold weather the system delays turning the fan on until warm air is available The length of delay depends on the engine coolant temperature Pressing the fan switch overrides...

Page 280: ...indicator flashes three times and will not work If the passenger temperature buttons are adjusted the driver temperature indicator changes The passenger temperature will not be displayed If vent bi le...

Page 281: ...utside air mode on An indicator light on the button comes on to show that outside is on When selected air from outside the vehicle circulates throughout the vehicle The recirculation mode cannot be us...

Page 282: ...sor located behind the front grille This sensor reads the outside air temperature and helps maintain the temperature inside the vehicle Any cover on the front of the vehicle could cause a false readin...

Page 283: ...ion Tips Clear away any ice snow or leaves from air inlets at the base of the windshield that could block the flow of air into the vehicle Keep the path under the front seats clear of objects to help...

Page 284: ...Black plate 12 1 GMC Sierra Owner Manual 2012 8 12 Climate Controls 2 NOTES I n f o r ma t i o nP r o v i d e db y...

Page 285: ...32 Shifting Into Park 9 33 Shifting out of Park 9 34 Parking over Things That Burn 9 35 Active Fuel Management 9 35 Engine Exhaust Engine Exhaust 9 36 Running the Vehicle While Parked 9 36 Automatic T...

Page 286: ...To avoid distracted driving always keep your eyes on the road hands on the wheel and mind on the drive Do not use a phone in demanding driving situations Use a hands free method to place or receive n...

Page 287: ...y Belts on page 3 12 Assume that other road users pedestrians bicyclists and other drivers are going to be careless and make mistakes Anticipate what they might do and be ready Allow enough following...

Page 288: ...e used when the brake is applied Once the power assist is used up it can take longer to stop and the brake pedal will be harder to push Steering Hydraulic Power Steering Your vehicle has hydraulic pow...

Page 289: ...urve causes tires to slip and lose cornering force Acceleration Skid too much throttle causes the driving wheels to spin Defensive drivers avoid most skids by taking reasonable care suited to existing...

Page 290: ...e the Limited Warranty and Owner Assistance Information manual Controlling the vehicle is the key to successful off road driving One of the best ways to control the vehicle is to control the speed WAR...

Page 291: ...operly Keep cargo in the cargo area as far forward and as low as possible The heaviest things should be on the floor forward of the rear axle Heavy loads on the roof raise the vehicle s center of grav...

Page 292: ...ssion Shift the transfer case to any position but N Neutral Before driving on a hill assess the steepness traction and obstructions If the terrain ahead cannot be seen get out of the vehicle and walk...

Page 293: ...ould cause loss of control and you or others could be injured or killed Apply the brakes lightly when descending a hill and use a low gear to keep vehicle speed under control If the vehicle stalls on...

Page 294: ...l over Hidden obstacles can make the steepness of the incline more severe If a rock is driven across with the uphill wheels or if the downhill wheels drop into a rut or depression the vehicle can tilt...

Page 295: ...hubs axles or exhaust pipe Deep water can damage the axle and other vehicle parts If the standing water is not too deep drive slowly through it At faster speeds water splashes on the ignition system a...

Page 296: ...d away If this Continued WARNING Continued happens you and other vehicle occupants could drown Do not ignore police warnings and be very cautious about trying to drive through flowing water Hydroplani...

Page 297: ...m and transmission Shift to a lower gear when going down steep or long hills WARNING If you do not shift down the brakes could get so hot that they would not work well You would then have poor braking...

Page 298: ...ccelerate too fast the drive wheels will spin and polish the surface under the tires even more The Antilock Brake System ABS on page 9 57 improves vehicle stability during hard stops on slippery roads...

Page 299: ...tem to a setting that circulates the air inside the vehicle and set the fan speed to the highest setting See Climate Control Systems in the Index For more information about carbon monoxide see Engine...

Page 300: ...rn the steering wheel left and right to clear the area around the front wheels For four wheel drive vehicles shift into Four Wheel High For vehicles with StabiliTrak turn the traction control part of...

Page 301: ...carry This weight is called the vehicle capacity weight and includes the weight of all occupants cargo and all nonfactory installed options Two labels on your vehicle show how much weight it was desi...

Page 302: ...d cold tire inflation pressures D For more information on tires and inflation see Tires on page 10 54 and Tire Pressure on page 10 62 There is also important loading information on the vehicle Certifi...

Page 303: ...t may not safely exceed the available cargo and luggage load capacity calculated in Step 4 6 If your vehicle will be towing a trailer the load from your trailer will be transferred to your vehicle Con...

Page 304: ...kg 0 lbs Refer to your vehicle s tire and loading information label for specific information about your vehicle s capacity weight and seating positions The combined weight of the driver passengers and...

Page 305: ...a Snow Plow or Similar Equipment on page 9 113 WARNING In the case of a sudden stop or collision things carried in the bed of your truck could shift forward and come into the passenger area injuring y...

Page 306: ...ings in the cargo area of the vehicle Try to spread the weight evenly Never stack heavier things like suitcases inside the vehicle so that some of them are above the tops of the seats Continued WARNIN...

Page 307: ...board Any load that extends beyond the vehicle s taillamp area must be properly marked according to local laws and regulations Remember not to exceed the Gross Axle Weight Rating GAWR of the front or...

Page 308: ...the vehicle s glove box This label indicates if a slide in camper can be carried how much of a load the vehicle can carry and how to correctly spread out the load It will help to match the right slid...

Page 309: ...Here is an example of proper truck and camper match A Camper Center of Gravity B Recommended Center of Gravity Location Zone When the truck is used to carry a slide in camper the total cargo load of t...

Page 310: ...s should not exceed your vehicle s gross vehicle weight rating GVWR These ratings are given on the vehicle certification label attached to the rear edge of the driver door See Certification Tire Label...

Page 311: ...eased Adjustable Throttle and Brake Pedal On vehicles with this feature you can change the position of the throttle and brake pedals No adjustment to the pedals can be made when the vehicle is in R Re...

Page 312: ...t turn the engine off when the vehicle is moving This will cause a loss of power assist in the brake and steering systems and disable the airbags If the vehicle must be shut off in an emergency 1 Brak...

Page 313: ...ers operate while the engine is off Use this position if the vehicle must be pushed or towed C ON RUN This position can be used to operate the electrical accessories and to display some instrument pan...

Page 314: ...tarts let go of the key The idle speed will go down as your engine gets warm Do not race the engine immediately after starting it Operate the engine and transmission gently to allow the oil to warm up...

Page 315: ...mission gently until the oil warms up and lubricates all moving parts Fast Idle System If the vehicle has this feature it is available only with cruise control The manual fast idle switch is operated...

Page 316: ...or until the driver door is opened Engine Coolant Heater The engine heater can provide easier starting and better fuel economy during engine warm up in cold weather conditions at or below 18 C 0 F Veh...

Page 317: ...not fully in P Park with the parking brake firmly set The vehicle can roll If you have left the engine running the vehicle can move suddenly You or others could be injured To be sure the vehicle will...

Page 318: ...at the shift lever was not fully locked into P Park Torque Lock If you are parking on a hill and you do not shift your transmission into P Park properly the weight of the vehicle may put too much forc...

Page 319: ...have the vehicle serviced soon Parking over Things That Burn WARNING Things that can burn could touch hot exhaust parts under the vehicle and ignite Do not park over papers leaves dry grass or other...

Page 320: ...ons that are not completely sealed If unusual fumes are detected or if it is suspected that exhaust is coming into the vehicle Drive it only with the windows completely down Have the vehicle repaired...

Page 321: ...NING Four wheel drive vehicles with the transfer case in N Neutral will allow the vehicle to roll even if the automatic transmission shift lever is in P Park So be sure the transfer case is in a drive...

Page 322: ...the shift lever is not fully in P Park with the parking brake firmly set The vehicle can roll Do not leave the vehicle when the engine is running unless you have to If you have left the engine running...

Page 323: ...s Do not shift into a drive gear while the engine is running at high speed Notice Shifting out of P Park or N Neutral with the engine running at high speed may damage the transmission The repairs woul...

Page 324: ...mperatures are very cold the Allison Transmission and Hydra Matic 6 Speed transmission s gear shifting could be delayed providing more stable shifts until the engine warms up Shifts could be more noti...

Page 325: ...vehicle slows eventually downshifting to 1 First gear Notice Spinning the tires or holding the vehicle in one place on a hill using only the accelerator pedal may damage the transmission The repair w...

Page 326: ...in one place on a hill using only the accelerator pedal may damage the transmission The repair will not be covered by the vehicle warranty If you are stuck do not spin the tires When stopping on a hi...

Page 327: ...hedule that utilizes the engine and transmission to slow the vehicle This reduces wear on the braking system and increases control of the vehicle Grade Braking monitors vehicle speed acceleration engi...

Page 328: ...shift the transfer case Some delay for the axle to engage or disengage is normal Manual Transfer Case The transfer case shift lever is on the floor to the right of the driver Use this lever to shift i...

Page 329: ...he vehicle s powertrain Do not drive on clean dry pavement in Four Wheel Drive for extended periods of time 4 n Four Wheel Drive Low This setting also engages the front axle and delivers extra torque...

Page 330: ...ting when you need extra traction such as on snowy or icy roads or in most off road situations This setting also engages the front axle to help drive your vehicle This is the best setting to use when...

Page 331: ...e the vehicle is in motion may require that moderate force be applied to the shift lever for a few seconds before Four Wheel Drive High can be engaged especially in cold weather In extremely cold weat...

Page 332: ...aligning in the transfer case When this happens make sure the engine is on shift the transmission momentarily to D Drive and back to N Neutral and then complete the transfer case shift Shift the trans...

Page 333: ...on the transfer case cannot make a requested shift it will return to the last chosen setting 2 m Two Wheel Drive High This setting is used for driving in most street and highway situations The front a...

Page 334: ...rive Low for more information Shifting Into Four Wheel Drive Low When Four Wheel Drive Low is engaged vehicle speed should be kept below 72 km h 45 mph Extended high speed operation in Four Wheel Driv...

Page 335: ...transmission into gear before the requested mode indicator light has stopped flashing could damage the transfer case To help avoid damaging the vehicle always wait for the mode indicator lights to sto...

Page 336: ...the parking brake and apply the regular brake pedal 2 Turn the ignition to ON RUN with the engine off and shift the transmission to N Neutral 3 Turn the transfer case dial to Two Wheel Drive High Afte...

Page 337: ...tic Four Wheel Drive This setting is ideal for use when road surface traction conditions are variable When driving the vehicle in AUTO the front axle is engaged but the vehicle s power is sent only to...

Page 338: ...High Turn the knob to the Two Wheel Drive High position This can be done at any speed except when shifting from Four Wheel Drive Low The indicator light will flash while shifting It will remain on whe...

Page 339: ...h AUTO or Two Wheel Drive High indicator light to stop flashing and remain on before shifting the transmission into gear Notice Shifting the transmission into gear before the requested mode indicator...

Page 340: ...P Park 10 Release the parking brake prior to moving the vehicle 11 Turn the ignition to LOCK OFF Shifting Out of Neutral To shift out of N Neutral do the following 1 Set the parking brake and apply t...

Page 341: ...ll separately work the brakes at each wheel ABS can change the brake pressure to each wheel as required faster than any driver could This can help the driver steer around the obstacle while braking ha...

Page 342: ...und warning you that the parking brake is still on If you are towing a trailer and are parking on a hill see Driving Characteristics and Towing Tips on page 9 80 Brake Assist If this vehicle has Stabi...

Page 343: ...o second window If the vehicle is equipped with the Integrated Trailer Brake Control ITBC system HSA may also apply the trailer brakes It will not activate if the vehicle is in a drive gear and facing...

Page 344: ...an be re engaged when road conditions allow See Cruise Control on page 9 63 If the system fails to turn on or activate the StabiliTrak light along with a message will be displayed on the Driver Inform...

Page 345: ...ud ice or snow and you want to rock the vehicle to attempt to free it It may also be necessary to turn off the system when driving in extreme off road conditions where high wheel spin is required See...

Page 346: ...ash and cruise control will automatically disengage Cruise control may be reengaged when road conditions allow See Cruise Control on page 9 63 StabiliTrak may also turn off automatically if it determi...

Page 347: ...r vehicles with an Allison or Hydra Matic 6 speed automatic transmission see Grade Braking under Tow Haul Mode on page 9 42 for an explanation of how cruise control interacts with the Range Selection...

Page 348: ...s disengaged without erasing the set speed from memory Once the vehicle speed reaches about 40 km h 25 mph or more press the RES button on the steering wheel The vehicle returns to the previous set sp...

Page 349: ...ransmission have a Cruise Grade Braking feature that may automatically shift to a lower gear to keep the speed down It may be necessary to apply the brake or manually shift the transmission to a lower...

Page 350: ...backing How the System Works URPA comes on automatically when the shift lever is moved into R Reverse A single tone sounds to indicate the system is working URPA operates only at speeds less than 8 km...

Page 351: ...MANUAL This message can occur under the following conditions The ultrasonic sensors are not clean Keep the vehicle s rear bumper free of mud dirt snow ice and slush For cleaning instructions see Exter...

Page 352: ...without Navigation System The RVC system displays a view of the area behind the vehicle When the vehicle is on and shifted into R Reverse the video image appears on the inside rearview mirror The vid...

Page 353: ...Brightness and Contrast of the Screen To adjust the brightness and contrast of the screen press the MENU button while the RVC image is on the display Any adjustments made will only affect the RVC scr...

Page 354: ...ay that can help the driver align the vehicle when backing into a parking spot If the vehicle has dual rear wheels this feature will not be available To turn the guidelines on or off 1 Make sure that...

Page 355: ...r under the bumper do not display Disconnecting the RVC The rear vision camera must be disconnected if the tailgate needs to be removed To disconnect the camera 1 Remove the license plate 2 Disconnect...

Page 356: ...Clean the lens rinse it with water and wipe it with a soft cloth The back of the vehicle is in an accident the position and mounting angle of the camera can change or the camera can be affected Be su...

Page 357: ...of the recommended fuel is an important part of the proper maintenance of this vehicle To help keep the engine clean and maintain optimum vehicle performance we recommend the use of gasoline advertis...

Page 358: ...le knocking noise commonly referred to as spark knock might be heard when driving If this occurs use a gasoline rated at 87 octane or higher as soon as possible If heavy knocking is heard when using g...

Page 359: ...tact a major oil company that does business in the country where you will be driving Fuel Additives To provide cleaner air all gasolines in the United States are now required to contain additives that...

Page 360: ...l badge and a yellow fuel cap can use either unleaded gasoline or ethanol fuel containing up to 85 ethanol E85 For all other vehicles use only the unleaded gasoline described under Recommended Fuel on...

Page 361: ...hanol It can corrode metal parts in the fuel system and also damage plastic and rubber parts That damage would not be covered under the vehicle warranty Filling the Tank If the vehicle has a diesel en...

Page 362: ...cap turn it clockwise until it clicks It will require more effort to turn the fuel cap on the last turn as you tighten it Make sure the cap is fully installed The diagnostic system can determine if th...

Page 363: ...ng the fill nozzle in contact with the inside of the fill opening before operating the nozzle Contact should be maintained until the filling is complete Do not smoke while pumping fuel Do not use a ce...

Page 364: ...ate or provincial police Consider using a sway control See Hitches under Towing Equipment on page 9 100 Do not tow a trailer at all during the first 800 km 500 miles the new vehicle is driven The engi...

Page 365: ...haust on page 9 36 Towing a trailer requires a certain amount of experience The combination you are driving is longer and not as responsive as the vehicle itself Get acquainted with the handling and b...

Page 366: ...lly to be sure the trailer bulbs are still working Driving on Grades Reduce speed and shift to a lower gear before starting down a long or steep downgrade If the transmission is not shifted down the b...

Page 367: ...drive gear and not in N Neutral 6 Release the brake pedal WARNING It can be dangerous to get out of the vehicle if the shift lever is not fully in P Park with the parking brake firmly set The vehicle...

Page 368: ...plement for more information If the vehicle is a hybrid see the hybrid supplement for more information Do not tow a trailer during break in See New Vehicle Break In on page 9 26 for more information W...

Page 369: ...o please read this section carefully before pulling a trailer Weight of the Trailer How heavy can a trailer safely be It depends on how the rig is used Speed altitude road grades outside temperature a...

Page 370: ...4 8LV8 b 3 73 3 266 kg 7 200 lbs 5 443 kg 12 000 lbs 5 3L LMG V8 b 3 08 2 994 kg 6 600 lbs 5 216 kg 11 500 lbs 5 3L LMG V8 K5L HD Cooling Pkg 3 08 3 357 kg 7 400 lbs 5 534 kg 12 200 lbs 5 3L LMG V8 K5...

Page 371: ...Fifth Wheel Trailer 3 42 4 264 kg 9 400 lbs 6 804 kg 15 000 lbs 6 2LV8 NHT Max Trailering Pkg Conventional Trailer 3 73 4 853 kg 10 700 lbs 7 257 kg 16 000 lbs 6 2LV8 NHT Max Trailering Pkg Fifth Whee...

Page 372: ...59 kg 5 200 lbs 4 536 kg 10 000 lbs 4 8LV8 b 3 23 2 313 kg 5 100 lbs 4 536 kg 10 000 lbs 4 8LV8 b 3 73 3 221 kg 7 100 lbs 5 443 kg 12 000 lbs 5 3LV8 3 08 2 948 kg 6 500 lbs 5 216 kg 11 500 lbs 5 3LV8...

Page 373: ...3 42 2 722 kg 6 000 lbs 4 990 kg 11 000 lbs 5 3LV8 b 3 08 2 903 kg 6 400 lbs 5 216 kg 11 500 lbs 5 3LV8 K5L HD Cooling Pkg 3 08 3 221 kg 7 100 lbs 5 534 kg 12 200 lbs 5 3LV8 K5L HD Cooling Pkg Convent...

Page 374: ...kg 15 000 lbs 6 2LV8 NHT Max Trailering Pkg Conventional Trailer 3 73 4 717 kg 10 400 lbs 7 257 kg 16 000 lbs 6 2LV8 NHT Max Trailering Pkg Fifth Wheel Trailer 3 73 4 672 kg 10 300 lbs 7 257 kg 16 00...

Page 375: ...Pkg Fifth Wheel Trailer 3 08 3 175 kg 7 000 lbs 5 534 kg 12 200 lbs 5 3LV8 K5L HD Cooling Pkg Conventional Trailer 3 42 4 445 kg 9 800 lbs 6 804 kg 15 000 lbs 5 3LV8 K5L HD Cooling Pkg Fifth Wheel Tra...

Page 376: ...Crew Cab Standard Box HD 6 0LV8 3 73 4 400 kg 9 700 lbs 7 257 kg 16 000 lbs 6 0LV8 Conventional Trailer 4 10 5 897 kg 13 000 lbs 9 299 kg 20 500 lbs 6 0LV8 Fifth Wheel Trailer 4 10 6 441 kg 14 200 lb...

Page 377: ...Conventional Trailer 4 10 5 897 kg 13 000 lbs 9 299 kg 20 500 lbs 6 0LV8 Fifth Wheel Trailer 4 10 6 396 kg 14 100 lbs 9 299 kg 20 500 lbs 2500 Series 4WD Extended Cab Standard Box HD 6 0LV8 3 73 4 309...

Page 378: ...00 lbs 6 0LV8 Conventional Trailer 4 10 5 897 kg 13 000 lbs 9 299 kg 20 500 lbs 6 0LV8 Fifth Wheel Trailer 4 10 6 305 kg 13 900 lbs 9 299 kg 20 500 lbs 2500 Series 4WD Crew Cab Long Box HD 6 0LV8 3 73...

Page 379: ...Wheels Fifth Wheel Trailer 4 10 6 350 kg 14 000 lbs 9 299 kg 20 500 lbs 6 0LV8 Dual Rear Wheels 3 73 4 128kg 9 100 lbs 7 257 kg 16 000 lbs 6 0LV8 Dual Rear Wheels 4 10 6 169 kg 13 600 lbs 9 299 kg 20...

Page 380: ...lbs 6 0LV8 Single Rear Wheels Conventional Trailer 4 10 5 897 kg 13 000 lbs 9 299 kg 20 500 lbs 6 0LV8 Single Rear Wheels Fifth Wheel Trailer 4 10 6 441 kg 14 200 lbs 9 299 kg 20 500 lbs 6 0LV8 Dual R...

Page 381: ...Single Rear Wheels 3 73 4 128 kg 9 100 lbs 7 257 kg 16 000 lbs 6 0LV8 Single Rear Wheels Conventional Trailer 4 10 5 897 kg 13 000 lbs 9 299 kg 20 500 lbs 6 0LV8 Single Rear Wheels Fifth Wheel Traile...

Page 382: ...W includes the curb weight of the vehicle any cargo carried in it and the people who will be riding in the vehicle as well as trailer tongue weight Vehicle options equipment passengers and cargo in th...

Page 383: ...heck the hitch rating label for correct maximum for the vehicle Do not exceed the maximum allowable tongue weight for the vehicle Choose the shortest hitch extension that will position the hitch ball...

Page 384: ...weigh the tow vehicle and trailer combination fully loaded for the trip getting individual weights for each of these items Towing Equipment Hitches The correct hitch equipment helps maintain combinat...

Page 385: ...gpin weight should be 15 to 25 percent of the trailer weight up to the maximum amount specified in the trailering chart for the vehicle See Weight of the Trailer under Trailer Towing on page 9 84 for...

Page 386: ...system that is adequate for the weight of the trailer Be sure to read and follow the instructions for the trailer brakes so they are installed adjusted and maintained properly Do not tap into the veh...

Page 387: ...ering the harness connector is mounted in the bumper The seven wire harness contains the following trailer circuits Yellow Left Stop Turn Signal Dark Green Right Stop Turn Signal Brown Taillamps White...

Page 388: ...ght Stop Turn Signal Brown Taillamps White Ground Light Green Back up Lamps Red Battery Feed Dark Blue Trailer Brake If the vehicle is equipped with the Heavy Duty Trailering option please refer to He...

Page 389: ...tive when the vehicle and trailer combined weight is at least 75 percent of the vehicle s Gross Combined Weight Rating GCWR See Weight of the Trailer under Trailer Towing on page 9 84 Tow Haul is most...

Page 390: ...12 Non hybrid vehicles with StabiliTrak have a Hill Start Assist HSA feature See Hill Start Assist HSA on page 9 59 If the vehicle s brake antilock brake or StabiliTrak systems are not functioning pro...

Page 391: ...Trailer Gain Adjustment Buttons The ITBC system has a control panel located on the instrument panel to the left of the steering column See Instrument Panel Base Uplevel Version on page 1 2 or Instrume...

Page 392: ...justed TRAILER GAIN This setting is displayed any time the Trailer Brake Display Page is active This setting can be adjusted from 0 0 to 10 0 with either a trailer connected or disconnected To adjust...

Page 393: ...r Gain Adjustment Procedure to properly adjust the power output to the trailer brakes Sliding the lever to the left will apply only the trailer brakes The power output to the trailer is indicated in t...

Page 394: ...ot clear the six dashed lines 4 Adjust the Trailer Gain by using the gain adjustment buttons on the Trailer Brake Control Panel 5 Drive the vehicle with the trailer attached on a level road surface re...

Page 395: ...vehicle is moving this message will continue until the ignition is turned off This message will also turn off if the driver acknowledges this message or if the trailer harness is re connected 2 There...

Page 396: ...rakes are applied without the driver pressing the brake pedal If the vehicle is equipped with the Integrated Trailer Brake Control ITBC system StabiliTrak may also apply the trailer brakes The TCS Sta...

Page 397: ...the vehicle came with and the weight of those options The weight and number of passengers intended to be carried The weight of items added to the vehicle like a tool box or truck cap The total weight...

Page 398: ...and the front axle weight of the vehicle with full fuel and passengers Basically it is the amount of weight that can be added to the front axle before reaching the front GAWR The front axle reserve c...

Page 399: ...me vehicles that have certain front mounted equipment such as a snow plow it may be possible to load the front axle to the front gross axle weight rating GAWR but not have enough weight on the rear ax...

Page 400: ...le Load Limits on page 9 17 Emergency Roof Lamp Provisions Vehicles with the RPO VYU snow plow prep package also have an emergency roof lamp provision package RPO TRW Wiring for the emergency roof lam...

Page 401: ...30 Battery 10 31 Four Wheel Drive 10 32 Front Axle 10 33 Rear Axle 10 34 Noise Control System 10 36 Starter Switch Check 10 37 Automatic Transmission Shift Lock Control Function Check 10 37 Ignition T...

Page 402: ...ires 10 72 Different Size Tires and Wheels 10 74 Uniform Tire Quality Grading 10 74 Wheel Alignment and Tire Balance 10 76 Wheel Replacement 10 76 Tire Chains 10 77 If a Tire Goes Flat 10 78 Tire Chan...

Page 403: ...accessories or making modifications to the vehicle can affect vehicle performance and safety including such things as airbags braking stability ride and handling emissions systems aerodynamics durabil...

Page 404: ...nuts bolts and other fasteners Metric and English fasteners can be easily confused If the wrong fasteners are used parts can later break or fall off You could be hurt If doing some of your own service...

Page 405: ...the secondary hood release This is located under the hood near the center of the grille 3 Push the secondary hood release to the right 4 Lift the hood Before closing the hood be sure all the filler c...

Page 406: ...1 GMC Sierra Owner Manual 2012 10 6 Vehicle Care Engine Compartment Overview 5 3 L V8 Engine Shown 4 3 L V6 Engine 4 8 L V6 Engine 6 0 L V8 Engine and 6 2 L V8 Engine Similar I n f o r ma t i o nP r o...

Page 407: ...e Master Cylinder Reservoir See Brake Fluid on page 10 30 L Engine Compartment Fuse Block on page 10 47 M Windshield Washer Fluid Reservoir See Adding Washer Fluid under Washer Fluid on page 10 28 If...

Page 408: ...below the cross hatched area at the tip of the dipstick add 1 L 1 qt of the recommended oil and then recheck the level See Selecting the Right Engine Oil in this section for an explanation of what kin...

Page 409: ...to the dexos1 specification Viscosity Grade SAE 5W 30 is the best viscosity grade for the vehicle Do not use other viscosity grade oils such as SAE 10W 30 10W 40 or 20W 50 If in an area of extreme col...

Page 410: ...itions the mileage at which an oil change is indicated can vary considerably For the oil life system to work properly the system must be reset every time the oil is changed On some vehicles when the s...

Page 411: ...Oil Life System can be reset as follows 1 Turn the ignition to ON RUN with the engine off 2 Fully press the accelerator pedal slowly three times within five seconds 3 Display the OIL LIFE REMAINING on...

Page 412: ...C 180 F to 200 F Get the vehicle warmed up by driving about 24 km 15 miles when outside temperatures are above 10 C 50 F If it is colder than 10 C 50 F drive the vehicle in 3 Third until the engine t...

Page 413: ...own to get an accurate reading 5 If the fluid level is in the acceptable range push the dipstick back in all the way then flip the handle down to lock the dipstick in place Consistency of Readings Alw...

Page 414: ...wing checking procedures to check the fluid level However if there is a large leak then it may be necessary to have the vehicle towed to a dealer service department and have it repaired before driving...

Page 415: ...low the vehicle to cool or operate the vehicle until the appropriate transmission fluid temperature is reached Cold Check Procedure Use this procedure only as a reference to determine if the transmiss...

Page 416: ...emperature is between 71 C and 93 C 160 F and 200 F The hot check is the most accurate method to check the fluid level The hot check should be performed at the first opportunity in order to verify the...

Page 417: ...he dealer Engine Air Cleaner Filter If the vehicle has a diesel engine see Pickup Models under Engine Air Cleaner Filter in the Duramax Diesel Supplement for the correct inspection and replacement pro...

Page 418: ...e care to dislodge as little dirt as possible 4 Clean the engine air cleaner filter sealing surfaces and the housing 5 Inspect or replace the engine air cleaner filter 6 Reinstall the cover and tighte...

Page 419: ...hing and tools away from any engine cooling fan WARNING Heater and radiator hoses and other engine parts can be very hot Do not touch them If you do you can be burned Do not run the engine if there is...

Page 420: ...lain water or the wrong mixture the engine could get too hot but you would not get the overheat warning The engine could catch fire and you or others could be burned Use a 50 50 mixture of clean drink...

Page 421: ...nt and your health Checking Coolant The coolant surge tank is located in the engine compartment on the passenger side of the vehicle See Engine Compartment Overview on page 10 6 for more information o...

Page 422: ...and tools away from any underhood electric fan WARNING Steam and scalding liquids from a hot cooling system can blow out and burn you badly They are under pressure and if you turn the coolant surge ta...

Page 423: ...coolant is cold If necessary repeat coolant fill procedure Steps 1 through 6 Notice If the pressure cap is not tightly installed coolant loss and possible engine damage may occur Be sure the cap is pr...

Page 424: ...fire while driving with no coolant the vehicle can be badly damaged The costly repairs would not be covered by the vehicle warranty See Overheated Engine Protection Operating Mode on page 10 26 for in...

Page 425: ...n the air conditioning off 2 Turn the heater on to the highest temperature and to the highest fan speed Open the windows as necessary 3 If stopped in a traffic jam apply the brake shift to N Neutral o...

Page 426: ...yday driving conditions the fan is spinning slower and the clutch is not fully engaged This improves fuel economy and reduces fan noise Under heavy vehicle loading trailer towing and or high outside t...

Page 427: ...dipstick or from entering the reservoir To check the power steering fluid 1 Turn the key off and let the engine compartment cool down 2 Wipe the cap and the top of the reservoir clean 3 Unscrew the c...

Page 428: ...otice When using concentrated washer fluid follow the manufacturer s instructions for adding water Do not mix water with ready to use washer fluid Water can cause the solution to freeze and damage the...

Page 429: ...Drum brakes have an inspection hole to inspect lining wear during scheduled maintenance When the front brake pads are replaced have the rear brakes inspected too Brake linings should always be replace...

Page 430: ...ill be too much fluid when new brake linings are installed Add or remove brake fluid as necessary only when work is done on the brake hydraulic system WARNING If too much brake fluid is added it can s...

Page 431: ...ral based oil such as engine oil in the brake hydraulic system can damage brake hydraulic system parts so badly that they will have to be replaced Do not let someone put in the wrong kind of fluid If...

Page 432: ...Usage Remove the black negative cable from the battery to keep the battery from running down Extended Storage Remove the black negative cable from the battery or use a battery trickle charger Four Whe...

Page 433: ...to Change Lubricant Refer to Maintenance Schedule on page 11 3 to determine how often to change the lubricant What to Use Refer to Recommended Fluids and Lubricants on page 11 12 to determine what ki...

Page 434: ...A fluid loss could indicate a problem Have it inspected and repaired All axle assemblies are filled by volume of fluid during production They are not filled to reach a certain level When checking the...

Page 435: ...below the bottom of the fill plug hole located on the rear axle Add only enough fluid to reach the proper level For all 6 0 L 2500HD Series applications the proper level is from 0 mm to 13 mm 0 to 0...

Page 436: ...control prior to its sale or delivery to the ultimate purchaser or while it is in use or 2 The use of the vehicle after such device or element of design has been removed or rendered inoperative by an...

Page 437: ...starts in any other position contact your dealer for service Automatic Transmission Shift Lock Control Function Check WARNING When you are doing this inspection the vehicle could move suddenly If the...

Page 438: ...be damaged Make sure there is room in front of the vehicle in case it begins to roll Be ready to apply the regular brake at once should the vehicle begin to move Park on a fairly steep hill with the v...

Page 439: ...osition For the proper type and size see Maintenance Replacement Parts on page 11 15 Glass Replacement If the windshield or front side glass must be replaced see your dealer to determine the correct r...

Page 440: ...t Have the tires properly inflated Have the spare tire in its proper location in the vehicle Headlamp aiming is done with the vehicle s low beam headlamps The high beam headlamps will be correctly aim...

Page 441: ...ace 7 Locate the vertical headlamp aiming screws which are under the hood near each headlamp assembly The adjustment screw can be turned with an E8 Torx socket 8 Turn the vertical aiming screw until t...

Page 442: ...ow Beam Headlamp C High Beam Headlamp D Park Turn Signal Lamp 1 Open the hood See Hood on page 10 5 2 If you are replacing the bulb on the passenger side remove the Engine Air Cleaner cover See Engine...

Page 443: ...he lamp assembly 3 Gently pry the bulb from the socket 4 Install the new bulb in socket 5 Reinstall socket into lamp assembly 6 Reinstall the lamp assembly Taillamps Chassis Cab Models A Backup Lamp B...

Page 444: ...assembly from the vehicle A Stoplamp Taillamp Turn Signal Lamp B Back up Lamp 3 Turn the bulb socket counterclockwise to remove it from the taillamp assembly 4 Pull the old bulb straight out from the...

Page 445: ...ulbs 1 Reach under the rear bumper for the bulb socket 2 Turn the bulb socket counterclockwise and pull the bulb socket out of the lamp assembly 3 Pull the old bulb straight out from the bulb socket 4...

Page 446: ...needs to be replaced the same amperage fuse can be borrowed Choose some feature of the vehicle that is not needed to use and replace it as soon as possible Headlamp Wiring An electrical overload may c...

Page 447: ...orrow one that has the same amperage Just pick some feature of your vehicle that you can get along without like the radio or cigarette lighter and use its fuse if it is the correct amperage Replace it...

Page 448: ...Turn Lamp 4 Engine Controls 5 Engine Control Module Throttle Control Fuses Usage 6 Trailer Brake Controller 7 Front Washer 8 Oxygen Sensor 9 Antilock Brakes System 2 10 Trailer Back up Lamps 11 Driver...

Page 449: ...0 Passenger Side High Beam Headlamp 31 Daytime Running Lamps DRL 32 Driver Side High Beam Headlamp 33 Daytime Running Lamps 2 34 Sunroof 35 Key Ignition System Theft Deterrent System 36 Windshield Wip...

Page 450: ...m 1 62 Starter 63 Stud 2 Trailer Brakes 64 Left Bussed Electrical Center 1 65 Not Used 66 Not Used 67 Transfer Case 68 Stud 1 Trailer Connector Battery Power Optional 40A Fuse Required 69 Mid Bussed E...

Page 451: ...ss door is located on the driver side edge of the instrument panel Pull off the cover to access the fuse block The vehicle may not be equipped with all of the fuses relays and features shown Fuses Usa...

Page 452: ...y Control Module BCM 16 Accessory Power Outlets 17 Interior Lamps 18 Power Door Lock 1 Unlock Feature 19 Rear Seat Entertainment 20 Ultrasonic Rear Parking Assist Power Liftgate 21 Power Door Lock 1 L...

Page 453: ...s Connector 2 BODY 1 Body Harness Connector 1 BODY 3 Body Harness Connector 3 HEADLINER 3 Headliner Harness Connector 3 HEADLINER 2 Headliner Harness Connector 2 HEADLINER 1 Headliner Harness Connecto...

Page 454: ...ires frequently to maintain the recommended pressure Tire pressure should be checked when the tires are cold Overinflated tires are more likely to be cut punctured or broken by a sudden impact such as...

Page 455: ...assembly damage can occur when coming into contact with road hazards like potholes or sharp edged objects or when sliding into a curb The warranty does not cover this type of damage Keep tires set to...

Page 456: ...sides of the tire although only one side may have the date of manufacture E Tire Ply Material The type of cord and number of plies in the sidewall and under the tread F Uniform Tire Quality Grading U...

Page 457: ...ers and numbers following the DOT code are the Tire Identification Number TIN The TIN shows the manufacturer and plant code tire size and date the tire was manufactured The TIN is molded onto both sid...

Page 458: ...arrying capacity a tire is certified to carry The speed rating is the maximum speed a tire is certified to carry a load Light Truck LT Metric Tire A Light Truck LT Metric Tire The United States versio...

Page 459: ...sories are automatic transmission power steering power brakes power windows power seats and air conditioning Aspect Ratio The relationship of a tire s height to its width Belt A rubber coated layer of...

Page 460: ...nd some multipurpose passenger vehicles Load Index An assigned number ranging from 1 to 279 that corresponds to the load carrying capacity of a tire Maximum Inflation Pressure The maximum air pressure...

Page 461: ...tire and the road surface The amount of grip provided Tread The portion of a tire that comes into contact with the road Treadwear Indicators Narrow bands sometimes called wear bars that show across t...

Page 462: ...that have too much air can result in Unusual wear Poor handling Rough ride Needless damage from road hazards The Tire and Loading Information label on the vehicle indicates the original equipment tire...

Page 463: ...Tire Pressure for High Speed Operation WARNING Driving at high speeds 160 km h 100 mph or higher puts an additional strain on tires Sustained high speed driving causes excessive heat buildup and can c...

Page 464: ...educes fuel efficiency and tire tread life and may affect the vehicle s handling and stopping ability Please note that the TPMS is not a substitute for proper tire maintenance and it is the driver s r...

Page 465: ...A message to check the pressure in a specific tire displays in the Driver Information Center DIC The low tire pressure warning light and the DIC warning message come on at each ignition cycle until t...

Page 466: ...o off after the road tire is replaced and the sensor matching process is performed successfully See TPMS Sensor Matching Process later in this section The TPMS sensor matching process was not done or...

Page 467: ...N with the engine off 3 Press the Remote Keyless Entry RKE transmitter s LOCK and UNLOCK buttons at the same time for approximately five seconds The horn sounds twice to signal the receiver is in rele...

Page 468: ...inspected for signs of wear or damage at least once a month Replace the tire if The indicators at three or more places around the tire can be seen There is cord or fabric showing through the tire s r...

Page 469: ...ls except polished forged aluminum wheels Vehicles with polished forged aluminum dual wheels have three unique wheels a front a rear outer and a rear inner These wheels cannot be rotated to another po...

Page 470: ...and cause an accident When changing a wheel remove any rust or dirt from places where the wheel attaches to the vehicle In an emergency a cloth or a paper towel can be used however use a scraper or w...

Page 471: ...age 11 3 WARNING If the vehicle is operated with a tire that is underinflated the tire can overheat An overheated tire can lose air suddenly or catch fire You or others could be injured Properly infla...

Page 472: ...tires Buying New Tires GM has developed and matched specific tires for the vehicle The original equipment tires installed were designed to meet General Motors Tire Performance Criteria Specification...

Page 473: ...spare tire was developed for use on this vehicle and will not affect vehicle handling WARNING Using bias ply tires on the vehicle may cause the wheel rim flanges to develop cracks after many miles of...

Page 474: ...e 10 72 and Accessories and Modifications on page 10 3 for additional information Uniform Tire Quality Grading Quality grades can be found where applicable on the tire sidewall between tread shoulder...

Page 475: ...or traction performance Warning The traction grade assigned to this tire is based on straight ahead braking traction tests and does not include acceleration cornering hydroplaning or peak traction cha...

Page 476: ...eded Each new wheel should have the same load carrying capacity diameter width offset and be mounted the same way as the one it replaces Replace wheels wheel bolts wheel nuts or Tire Pressure Monitor...

Page 477: ...facturer recommends it for use on the vehicle and tire size combination and road conditions Follow that manufacturer s instructions To help avoid damage to the vehicle drive slowly readjust or remove...

Page 478: ...possible WARNING Driving on a flat tire will cause permanent damage to the tire Re inflating a tire after it has been driven on while severely underinflated or flat may cause a blowout and a serious...

Page 479: ...four wheel drive vehicles be sure the transfer case is in a drive gear not in N Neutral Continued WARNING Continued 4 Turn off the engine and do not restart while the vehicle is raised 5 Do not allow...

Page 480: ...ing Tool Kit B Tool Kit C Wheel Blocks D Jack E Jack Knob F Wing Nut Retaining Wheel Blocks Regular Cab A Wing Nut Retaining Tool Kit B Tool Kit C Wheel Blocks D Jack E Jack Knob F Wing Nut Retaining...

Page 481: ...the storage bag and tools counterclockwise to remove it Use the jack handle extensions and the wheel wrench to remove the underbody mounted spare tire A Spare Tire Valve Stem Pointed Down B Hoist Ass...

Page 482: ...ue to turn the wheel wrench until the spare tire can be pulled out from under the vehicle 5 Pull the spare tire out from under the vehicle 6 Tilt the tire toward the vehicle with some slack in the cab...

Page 483: ...has wheel nut caps loosen them by turning the wheel wrench counterclockwise If the vehicle has a center cap with wheel nut caps the wheel nut caps are designed to stay with the center cap after they a...

Page 484: ...hed to the vehicle s frame behind the flat tire Front Position All Other Models Position the jack under the vehicle as shown If the flat tire is on the front of the vehicle all other models position t...

Page 485: ...when it is jacked up is dangerous If the vehicle slips off the jack you could be badly injured or killed Never get under a vehicle when it is supported only by a jack WARNING Raising the vehicle with...

Page 486: ...brush later to remove all rust or dirt 8 Remove any rust or dirt from the wheel bolts mounting surfaces and spare wheel 9 Install the spare tire WARNING Never use oil or grease on bolts or nuts becau...

Page 487: ...s or wheels be sure to use GM original equipment parts WARNING Wheel nuts that are improperly or incorrectly tightened can cause the wheels to become loose or come off The wheel nuts should be tighten...

Page 488: ...bolt on hub caps align the plastic nut caps with the wheel nuts and then tighten by hand Then use the wheel wrench to tighten Storing a Flat or Spare Tire and Tools WARNING Storing a jack a tire or o...

Page 489: ...retainer is fully seated across the underside of the wheel 3 Attach the wheel wrench H and extensions I together as shown 4 Insert the hoist end F through the hole G in the rear bumper and onto the ho...

Page 490: ...Extensions E Tool Bag F Jack Mounting Bracket G Jack H Bolt Retaining Wheel Blocks 1 Put the tools D in the tool bag E and place them in the retaining bracket C 2 Tighten down the wing nut C 3 Assemb...

Page 491: ...heel drive when a different size spare tire is installed on the vehicle Your vehicle may have a different size spare tire than the road tires originally installed on your vehicle This spare tire was d...

Page 492: ...hicle It must have a 12 volt battery with a negative ground system Notice Only use a vehicle that has a 12 volt system with a negative ground for jump starting If the other vehicle does not have a 12...

Page 493: ...rks and help save both batteries And it could save the radio 5 Open the hood on the other vehicle and locate the positive and negative terminal locations on that vehicle The positive terminal is locat...

Page 494: ...moving engine parts can injure you badly Keep your hands away from moving parts once the engine is running 6 Check that the jumper cables do not have loose or missing insulation If they do you could...

Page 495: ...he dead battery 11 Start the vehicle with the good battery and run the engine for a while 12 Try to start the vehicle that had the dead battery If it will not start after a few tries it probably needs...

Page 496: ...towed See Roadside Assistance Program U S and Canada on page 13 8 or Roadside Assistance Program Mexico on page 13 10 To tow the vehicle behind another vehicle for recreational purposes such as behind...

Page 497: ...owed with all four wheels on the ground the drivetrain components could be damaged The repairs would not be covered by the vehicle warranty Do not tow the vehicle with all four wheels on the ground Tw...

Page 498: ...r the proper procedure to select the Neutral position for the vehicle 5 Release the parking brake only after the vehicle being towed is firmly attached to the towing vehicle 6 Turn the ignition to LOC...

Page 499: ...wheel drive vehicle from the front 1 Attach the dolly to the tow vehicle following the dolly manufacturer s instructions 2 Drive the front wheels onto the dolly 3 Shift the transmission to P Park 4 Fi...

Page 500: ...age 9 43 Rear Towing Rear Wheels Off the Ground Two Wheel Drive Vehicles Use the following procedure to dolly tow a two wheel drive vehicle from the rear 1 Attach the dolly to the tow vehicle followin...

Page 501: ...ing device designed for towing to ensure that the front wheels are locked into the straight position WARNING Shifting a four wheel drive vehicle s transfer case into N Neutral can cause the vehicle to...

Page 502: ...n Dry the finish with a soft clean chamois or an all cotton towel to avoid surface scratches and water spotting Finish Care Application of aftermarket clearcoat sealant wax materials is not recommende...

Page 503: ...tergent Wash the windshield thoroughly when cleaning the blades Bugs road grime sap and a buildup of vehicle wash wax treatments may cause wiper streaking Replace the wiper blades if they are worn or...

Page 504: ...ring Suspension and Chassis Components Visually inspect front and rear suspension and steering system for damaged loose or missing parts or signs of wear Inspect power steering lines and hoses for pro...

Page 505: ...soap solution immediately remove hand lotions sunscreen and insect repellant from all interior surfaces or permanent damage may result Your dealer may have products for cleaning the interior Use clea...

Page 506: ...ace using a soft brush attachment If a rotating brush attachment is being used during vacuuming only use it on the floor carpet Before cleaning gently remove as much of the soil as possible using one...

Page 507: ...them to dry naturally Never use heat steam spot lifters or spot removers Do not use cleaners that contain silicone or wax based products Cleaners containing these solvents can permanently change the a...

Page 508: ...ng guidelines for proper floor mat usage The original equipment floor mats were designed for the vehicle If the floor mats need replacing it is recommended that GM certified floor mats be purchased No...

Page 509: ...nadequate maintenance It may also help to maintain the value of the vehicle if it is sold It is the responsibility of the owner to have all required maintenance performed Your dealer has trained techn...

Page 510: ...17 Are driven on reasonable road surfaces within legal driving limits Use the recommended fuel See Recommended Fuel on page 9 74 Refer to the information in the Maintenance Schedule Additional Requir...

Page 511: ...Your trained dealer technician can perform this work If the engine oil life system is reset accidentally service the vehicle within 5 000 km 3 000 mi since the last service Reset the oil life system...

Page 512: ...te body components See Exterior Care on page 10 102 Check starter switch See Starter Switch Check on page 10 37 Check automatic transmission shift lock control function See Automatic Transmission Shif...

Page 513: ...Black plate 5 1 GMC Sierra Owner Manual 2012 Service and Maintenance 11 5 I n f o r ma t i o nP r o v i d e db y...

Page 514: ...eded b Or every four years whichever comes first c Do not directly power wash the transfer case output seals High pressure water can overcome the seals and contaminate the transfer case fluid Contamin...

Page 515: ...Black plate 7 1 GMC Sierra Owner Manual 2012 Service and Maintenance 11 7 I n f o r ma t i o nP r o v i d e db y...

Page 516: ...pressure water can overcome the seals and contaminate the transfer case fluid Contaminated fluid will decrease the life of the transfer case and should be replaced e Or every five years whichever com...

Page 517: ...uired Battery The battery supplies power to start the engine and operate any additional electrical accessories To avoid break down or failure to start the vehicle maintain a battery with full cranking...

Page 518: ...acement is needed Lamps Properly working headlamps taillamps and brake lamps are important to see and be seen on the road Signs that the headlamps need attention include dimming failure to light crack...

Page 519: ...ion on how to clean and protect the vehicle s interior and exterior see Interior Care on page 10 105 and Exterior Care on page 10 102 Wheel Alignment Wheel alignment is critical for ensuring that the...

Page 520: ...r SAE viscosity grade ACDelco dexos1 Synthetic Blend is recommended See Engine Oil on page 10 7 Engine Coolant 50 50 mixture of clean drinkable water and use only DEX COOL coolant See Engine Coolant o...

Page 521: ...E 75W 90 Synthetic Axle Lubricant GM Part No 89021677 in Canada 89021678 Rear Axle SAE 75W 90 Synthetic Axle Lubricant GM Part No 89021677 in Canada 89021678 Transfer Case Four Wheel Drive DEXRON VI A...

Page 522: ...Superlube GM Part No 12346241 in Canada 10953474 Tailgate Handle Pivot Points Hinges Latch Bolt and Linkage Multi Purpose Lubricant Superlube GM Part No 12346241 in Canada 10953474 Weatherstrip Condi...

Page 523: ...pplement for more information Part GM Part Number ACDelco Part Number Engine Air Cleaner Filter Standard Filter 15908916 A3086C High Capacity Filter 15908915 A3085C Oil Filter 4 3L V6 25010792 PF47 4...

Page 524: ...ecords After the scheduled services are performed record the date odometer reading who performed the service and the type of services performed in the boxes provided Retain all maintenance receipts Da...

Page 525: ...Black plate 17 1 GMC Sierra Owner Manual 2012 Service and Maintenance 11 17 Date Odometer Reading Serviced By Services Performed I n f o r ma t i o nP r o v i d e db y...

Page 526: ...Black plate 18 1 GMC Sierra Owner Manual 2012 11 18 Service and Maintenance Date Odometer Reading Serviced By Services Performed I n f o r ma t i o nP r o v i d e db y...

Page 527: ...e VIN also appears on the Vehicle Certification and Service Parts labels and certificates of title and registration Engine Identification The eighth character in the VIN is the engine code This code i...

Page 528: ...ramax diesel supplement for more information Application Capacities Metric English Air Conditioning Refrigerant R134a For the air conditioning system refrigerant charge amount see the refrigerant labe...

Page 529: ...eries Standard and Short Box 98 4 L 26 0 gal 1500 Series Long Box 128 7 L 34 0 gal 2500 Series and 3500 Series Standard Box 136 3 L 36 0 gal 2500 Series and 3500 Series Long Box 136 3 L 36 0 gal 3500...

Page 530: ...Speed Transmission 6L80 E 5 7 L 6 0 qt 6 Speed Transmission 6L90 E 6 0 L 6 3 qt 6 Speed Transmission Allison 7 0 L 7 4 qt Transmission Fluid Manual Drain and Refill 1500 Series 4 4 L 4 6 qt 3500 Serie...

Page 531: ...5 3L V8 FlexFuel with Active Fuel Management Iron Block LMG 0 1 02 mm 0 040 in 5 3L V8 FlexFuel with Active Fuel Management Aluminum Block LC9 7 1 02 mm 0 040 in 6 0L V8 FlexFuel with Active Fuel Mana...

Page 532: ...l Data Engine Drive Belt Routing V6 Engines V8 Engines If the vehicle has a diesel engine see the Duramax diesel supplement for more information If the vehicle is a hybrid see the hybrid supplement fo...

Page 533: ...dian Government 13 20 Reporting Safety Defects to General Motors 13 20 Vehicle Data Recording and Privacy Vehicle Data Recording and Privacy 13 20 Event Data Recorders 13 21 OnStar 13 22 Navigation Sy...

Page 534: ...nsatisfied after following the procedure outlined in Steps One and Two you can file with the Better Business Bureau BBB Auto Line Program to enforce your rights The BBB Auto Line Program is an out of...

Page 535: ...complaint to the final decision should be completed in approximately 70 days We believe our impartial program offers advantages over courts in most jurisdictions because it is informal quick and free...

Page 536: ...agent service manager dealer sales agent or sales manager depending on your case Make sure that they have all necessary information They are interested in your continual satisfaction STEP TWO If you a...

Page 537: ...ssistance 1 888 881 3302 From Puerto Rico 1 800 496 9992 English 1 800 496 9993 Spanish From U S Virgin Islands 1 800 496 9994 Canada General Motors of Canada Limited Customer Care Centre Mail Code CA...

Page 538: ...y 5329 0812 From Other Mexico Locations 01 800 466 0812 United States and Canada 1 866 466 8191 Costa Rica 00 800 052 1005 Guatemala 1 800 999 5252 Panama 00 800 052 0001 Dominican Republic 1 888 751...

Page 539: ...sked Questions Contact Us My GM Canada www gm ca My GM Canada is a password protected section of www gm ca where you can save information on GM vehicles get personalized offers and use handy tools and...

Page 540: ...an purchased vehicles call 1 800 268 6800 Service is available 24 hours a day 365 days a year Calling for Assistance When calling Roadside Assistance have the following information ready Your name hom...

Page 541: ...ervice to change a flat tire with the spare tire The spare tire if equipped must be in good condition and properly inflated It is the owner s responsibility for the repair or replacement of the tire i...

Page 542: ...Roadside Assistance Mechanical failures may be covered however any cost for parts and labor for repairs not covered by the warranty are the owner responsibility Roadside Assistance Program Mexico As...

Page 543: ...er for warranty service if the vehicle cannot be driven If the vehicle is involved in an accident during the commission of a crime administrative violation or breach of traffic regulations Roadside As...

Page 544: ...ransportation If you prefer to continue your trip to the intended destination or return to your place of residence and the trip requires more than eight hours driving on the road transportation for th...

Page 545: ...e terms and conditions of the Roadside Assistance program Any damage to the vehicle without intent derived from the services provided Cost of towing a trailer when choosing a GMC dealer that is neares...

Page 546: ...gram for vehicles with the Bumper to Bumper Base Warranty Coverage period in Canada extended powertrain and or hybrid specific warranties in both the U S and Canada Several Courtesy Transportation opt...

Page 547: ...arranty repair Rental reimbursement will be limited and must be supported by original receipts This requires that you sign and complete a rental agreement and meet state provincial local and rental ve...

Page 548: ...led are from undamaged sections of the vehicle A recycled original equipment GM part may be an acceptable choice to maintain the vehicle s originally designed appearance and safety performance however...

Page 549: ...acement parts Read the lease carefully as you may be charged at the end of the lease for poor quality repairs If a Crash Occurs If there has been an injury call emergency services for help Do not leav...

Page 550: ...paying for the repairs you are not obligated to accept a repair valuation based on that insurance company s collision policy repair limits as you have no contractual limits with that company In such...

Page 551: ...s Government If you believe that your vehicle has a defect which could cause a crash or could cause injury or death you should immediately inform the National Highway Traffic Safety Administration NHT...

Page 552: ...write General Motors of Canada Limited Customer Care Centre Mail Code CA1 163 005 1908 Colonel Sam Drive Oshawa Ontario L1H 8P7 Vehicle Data Recording and Privacy This GM vehicle has a number of sophi...

Page 553: ...on occurs no data is recorded by the EDR under normal driving conditions and no personal data e g name gender age and crash location is recorded However other parties such as law enforcement could com...

Page 554: ...es for functions such as tire pressure monitoring and ignition system security as well as in connection with conveniences such as key fobs for remote door locking unlocking and starting and in vehicle...

Page 555: ...Advisor for Emergency Security Navigation Connection and Diagnostic Services The OnStar system status light is next to the OnStar buttons If the status light is Solid Green System is ready Flashing G...

Page 556: ...ation and can provide critical information to emergency personnel The Advisor is also trained to offer critical assistance in emergency situations Security OnStar provides services like Stolen Vehicle...

Page 557: ...its voice commands Get My Destination 1 Push X System responds OnStar ready then a tone 2 Say Get my destination System responds with miles to the destination then responds with OnStar ready then a to...

Page 558: ...System responds Your OnStar Hands Free Calling number is End a Call Push X System responds Call ended Store a Name Tag for Speed Dialing 1 Push X System responds OnStar ready 2 Say Store System respon...

Page 559: ...that vehicle ownership has changed OnStar may send a voice message to the vehicle requesting updated account information Reactivation for Subsequent Owners Push Q and follow the prompts to speak to a...

Page 560: ...jamming See Radio Frequency Statement on page 13 22 for information regarding Part 15 of the Federal Communications Commission FCC rules and Industry Canada Standards RSS GEN 210 220 310 Services for...

Page 561: ...icle Global Positioning System GPS Obstruction of the GPS can occur in a large city with tall buildings in parking garages around airports in tunnels underpasses or parking garages or in an area with...

Page 562: ...architecture of the vehicle Do not add any electrical equipment See Add On Electrical Equipment on page 9 112 Added electrical equipment may interfere with the operation of the OnStar system and cause...

Page 563: ...e 3 29 What Will You See after an Airbag Inflates 3 30 When Should an Airbag Inflate 3 27 Where Are the Airbags 3 25 Airbags On Off Light 5 21 On Off Switch 3 32 Passenger Status Indicator 5 23 Readin...

Page 564: ...57 Assist 9 58 Fluid 10 30 Parking 9 58 System Messages 5 43 Braking 9 4 Break In New Vehicle 9 26 Bulb Replacement 10 45 Center High Mounted Stoplamp CHMSL and Cargo Lamp 10 44 Fog Lamps 6 6 Halogen...

Page 565: ...ems 3 47 Cigarette Lighter 5 11 Circuit Breakers 10 47 Cleaning Exterior Care 10 102 Interior Care 10 105 Climate Control Systems 8 1 8 4 Air Conditioning 8 1 8 4 Dual Automatic 8 5 Heating 8 1 8 4 Cl...

Page 566: ...Economy 1 34 Highway Hypnosis 9 13 Hill and Mountain Roads 9 13 If the Vehicle is Stuck 9 16 Loss of Control 9 5 Off Road 9 6 Off Road Recovery 9 5 Vehicle Load Limits 9 17 Wet Roads 9 12 Winter 9 14...

Page 567: ...ory 1 13 Filter Engine Air Cleaner 10 17 Flash to Pass 6 3 Flashers Hazard Warning 6 5 Flat Tire 10 78 Changing 10 80 Floor Mats 10 108 Fluid Automatic Transmission 10 11 10 14 Brakes 10 30 Four Wheel...

Page 568: ...9 Vehicle Care 10 2 Glass Replacement 10 39 Glove Box 4 1 GM Mobility Reimbursement Program 13 8 H Halogen Bulbs 10 42 Hazard Warning Flashers 6 5 Head Restraints 3 2 Headlamps Aiming 10 39 Automatic...

Page 569: ...Controls 6 1 Exterior Lamps Off Reminder 6 3 License Plate 10 45 Malfunction Indicator 5 25 Pick up Box Identification and Fender Marker 10 43 Reading 6 9 Taillamps 10 43 Lap Belt 3 20 Lap Shoulder Be...

Page 570: ...nsfer Case 9 43 Malfunction Indicator Lamp 5 25 Manual Mirrors 2 14 Manual Mode 9 41 Manual Windows 2 18 Memory Features 1 13 Memory Seats 3 7 Messages Airbag System 5 49 Anti theft Alarm System 5 49...

Page 571: ...cs 14 5 Emergency 14 2 Navigation 14 2 Overview 14 1 Security 14 2 OnStar System 1 35 Operation Infotainment System 7 3 Ordering Service Publications 13 18 Outlets Power 5 10 Overheated Engine Protect...

Page 572: ...ading Lamps 6 9 Rear Axle 10 34 Locking 9 62 Rear Doors 2 9 Rear Seat Audio RSA System 7 48 Rear Seat Entertainment System 7 38 Rear Seat Audio RSA 7 48 Rear Seats 3 10 3 11 Rear Vision Camera RVC 9 6...

Page 573: ...22 Use During Pregnancy 3 20 Safety Defects Reporting Canadian Government 13 20 General Motors 13 20 U S Government 13 19 Safety Locks 2 8 Safety System Check 3 21 Satellite Radio 7 11 Scheduling Appo...

Page 574: ...le 4 2 Glove Box 4 1 Instrument Panel 4 1 Stuck Vehicle 9 16 Sun Visors 2 20 Sunroof 2 20 2 21 Switches Airbag On Off 3 32 Symbols iv System Infotainment 7 1 Noise Control 10 36 T Tachometer 5 14 Tail...

Page 575: ...37 Fluid Automatic 10 11 10 14 Messages 5 50 Transportation Program Courtesy 13 14 Trip Odometer 5 14 Truck Camper Loading Information 9 24 Turn and Lane Change Signals 6 6 Turn Signal Bulb Replacemen...

Page 576: ...rd Flashers 6 5 Washer Fluid 10 28 Washer Fluid Messages 5 51 Wheels Alignment and Tire Balance 10 76 Different Size 10 74 Replacement 10 76 When It Is Time for New Tires 10 71 Where to Put the Restra...

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