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GMC SIERRA 2020 Owner'S Manual Download Page 298

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/

Mexico-13337776) - 2020 - CRC - 8/27/19

Driving and Operating

297

spring bars to distribute the trailer
tongue weight between your vehicle
and trailer axles. Fifth-wheel and
gooseneck hitches may also be
used. See

“

Maximum Trailer Tongue

Weight

”

under

Trailer Towing

for weight limits with various hitch
types.

Avoid sharp turns when using a
step-bumper hitch to prevent
damage. Make wider turns to
prevent contact between your trailer
and your bumper.

Consider using mechanical sway
controls with any trailer. Ask a
trailering professional about sway
controls or refer to the trailer
manufacturer's recommendations
and instructions.

Weight-Distributing Hitch and
Adjustment

A weight-distributing hitch may be
useful with some trailers. Use the
following guidelines to determine if a
weight-distributing hitch should
be used.

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Summary of Contents for SIERRA 2020

Page 1: ...84186890 B C M Y CM MY CY CMY K 20_GMC_Sierra_SierraDenali_COV_en_US_84186890B_2019AUG27 ai 1 8 12 2019 1 26 17 PM...

Page 2: ...ors and Windows 9 Seats and Restraints 52 Storage 112 Instruments and Controls 117 Lighting 165 Infotainment System 176 Climate Controls 177 Driving and Operating 185 Vehicle Care 327 Service and Main...

Page 3: ...e in your region or changes subsequent to the printing of this owner s manual If the vehicle has the Duramax diesel engine see the Duramax diesel supplement for additional and specific information on...

Page 4: ...of text Symbols are shown along with the text describing the operation or information relating to a specific component control message gauge or indicator M Shown when the owner s manual has additional...

Page 5: ...arture Warning A Lane Keep Assist Malfunction Indicator Lamp Oil Pressure X Park Assist Pedestrian Ahead Indicator O Power 7 Rear Cross Traffic Alert I Registered Technician Remote Vehicle Start Seat...

Page 6: ...GMC Sierra Sierra Denali Owner Manual GMNA Localizing U S Canada Mexico 13337776 2020 CRC 8 27 19 Introduction 5 Instrument Panel Overview...

Page 7: ...79 If Equipped 10 Heated and Ventilated Front Seats 0 60 If Equipped 11 A Lane Keep Assist LKA 1500 Series 0 278 If Equipped X Park Assist Switch If Equipped See Assistance Systems for Parking or Back...

Page 8: ...nformation Center DIC Base Level 0 147 or Driver Information Center DIC Midlevel and Uplevel 0 148 19 Horn 0 119 20 Hood Release See Hood 0 330 21 Steering Wheel Adjustment 0 118 Out of View 22 Cruise...

Page 9: ...GMC Sierra Sierra Denali Owner Manual GMNA Localizing U S Canada Mexico 13337776 2020 CRC 8 27 19 8 Introduction 2 NOTES...

Page 10: ...erior Mirrors Convex Mirrors 39 Manual Mirrors 39 Trailer Tow Mirrors 40 Power Mirrors 41 Folding Mirrors 42 Heated Mirrors 43 Automatic Dimming Mirror 43 Blind Spot Mirrors 43 Reverse Tilt Mirrors 44...

Page 11: ...Entry RKE transmitter if equipped are connected to the provided key rings The ignition key and key rings and RKE transmitter if equipped are designed to work together as a system to reduce the risk of...

Page 12: ...the ignition on 4 Turn the ignition off and remove the key 5 Insert the key to be programmed and turn the ignition on within five seconds 6 After a few seconds the security light will turn off once t...

Page 13: ...riodically clean with a brush or pick If locked out of the vehicle see Roadside Assistance Program 0 466 With an active OnStar or connected service plan an OnStar Advisor may remotely unlock the vehic...

Page 14: ...eating positions of memory 1 or 2 See Memory Seats 0 58 Remote Keyless Entry RKE System See Radio Frequency Statement 0 472 If there is a decrease in the Remote Keyless Entry RKE operating range Check...

Page 15: ...unlocking has occurred If enabled the exterior lamps may turn on See Vehicle Personalization 0 156 Pressing K on the RKE transmitter disarms the alarm system See Vehicle Alarm System 0 36 If equipped...

Page 16: ...ratures above 59 C 138 F Caution When replacing the battery do not touch any of the circuitry on the transmitter Static from your body could damage the transmitter Caution Always replace the battery w...

Page 17: ...ing Remote Keyless Entry RKE System Operation Keyless Access The Keyless Access system allows for vehicle entry when the transmitter is within 1 m 3 ft See Keyless Access Operation later in this secti...

Page 18: ...s pressed all doors lock Pressing Q arms the alarm system See Vehicle Alarm System 0 36 If equipped with remote mirror folding pressing and holding Q for one second will fold the mirrors if enabled Se...

Page 19: ...outside door handles Keyless Access can be programmed to unlock all doors on the first lock unlock press from the driver door Keyless Unlocking can also be turned off See Vehicle Personalization 0 15...

Page 20: ...em before starting the vehicle Enabling Keyless Unlocking With the vehicle off press and hold Q and K on the RKE transmitter at the same time for approximately three seconds The turn signal lamps will...

Page 21: ...RKE transmitters programmed to the vehicle will work If a transmitter is lost or stolen a replacement can be purchased and programmed through your dealer The vehicle can be reprogrammed so that lost o...

Page 22: ...ized transmitters are not available follow this procedure to program up to eight transmitters This feature is not available in Canada This procedure will take approximately 30 minutes to complete The...

Page 23: ...er 7 Remove the transmitter from the transmitter pocket insert and press K or Q on the transmitter To program additional transmitters repeat Steps 5 7 When all additional transmitters are programmed p...

Page 24: ...and ENGINE START STOP Replace the transmitter battery as soon as possible Battery Replacement Warning Never allow children to play with the RKE transmitter The transmitter contains a small battery wh...

Page 25: ...create a risk of battery explosion Dispose of used batteries according to instructions and local laws Do not attempt to burn crush or cut the used battery and avoid exposing the battery to environment...

Page 26: ...any requirements on remote starting of vehicles Do not use remote start if the vehicle is low on fuel The vehicle may run out of fuel The vehicle cannot be remote started if The RKE transmitter is ins...

Page 27: ...ning flashers Turn the ignition on and then off Door Locks Warning Unlocked doors can be dangerous Passengers especially children can easily open the doors and fall out of a moving vehicle The doors c...

Page 28: ...If equipped with power door locks Q Press to lock the doors K Press to unlock the doors Delayed Locking If equipped this feature delays the locking of the doors until five seconds after all doors are...

Page 29: ...ill check to the Keyless Access function if equipped If an RKE transmitter is detected and the number of RKE transmitters inside has not reduced the driver door will unlock and the horn will chirp thr...

Page 30: ...ance and fall in response to vehicle maneuvers Falling from a moving vehicle may result in serious injuries or death Do not allow people to ride on the tailgate Be sure everyone in your vehicle is in...

Page 31: ...quickly on the RKE transmitter until the tailgate moves Press 5 on the center stack Press the touch pad on the tailgate handle after unlocking all doors Use the top of the tailgate to pull against if...

Page 32: ...open the primary tailgate Press x twice quickly on the RKE transmitter until the tailgate moves See Remote Keyless Entry RKE System Operation Key Access 0 13 or Remote Keyless Entry RKE System Operat...

Page 33: ...d securely To close the inner tailgate with the primary tailgate open Hold the primary tailgate and firmly close the inner tailgate Raise the inner tailgate so it meets the primary tailgate and close...

Page 34: ...th side latches are engaged Do not place a load on top of the step when using it as a load stop Using the Assist Handle The assist handle helps with entering the pickup box To use 1 Lift up on the han...

Page 35: ...ing or exiting the vehicle be sure the power assist step is fully extended Do not step on the power assist step while it is moving Never place hands or other body parts between the extended power assi...

Page 36: ...to normal operation Center Stack Switch The power assist steps can be extended to the tire by pressing j When extending the steps with j the kick switch is disabled The vehicle must be in P Park or N...

Page 37: ...ing Q on the RKE transmitter a second time will bypass the 30 second delay and immediately arm the alarm system The vehicle alarm system will not arm if the doors are locked with the key If the driver...

Page 38: ...ure and the vehicle should be serviced A message that the steering column is locked indicates that the engine is running but the steering column is still locked It is normal for the column to be locke...

Page 39: ...r you may try placing the transmitter in the transmitter pocket located in the center console See Remote Keyless Entry RKE System Operation Key Access 0 13 or Remote Keyless Entry RKE System Operation...

Page 40: ...look farther away than they really 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 Standa...

Page 41: ...ows Trailer Tow Mirrors Extending Mirrors Trailer tow mirrors can extend out for better visibility when towing a trailer Manual Extend If equipped grasp the mirror housing firmly and pull back in one...

Page 42: ...nd retract operation has occurred Auxiliary Cargo Mirror Lamps If equipped cargo mirror lamps face rearward to provide more light on the sides of the vehicle if needed See Exterior Cargo Lamps 0 171 A...

Page 43: ...ing Mirrors Manual Folding Mirrors If equipped push the mirror toward the vehicle to fold Push the mirror outward to return to its original position Manually fold the mirrors inward to prevent damage...

Page 44: ...ss 0 16 This feature can be turned on or off See Vehicle Personalization 0 156 Heated Mirrors If equipped with heated mirrors 1 REAR Press to heat the outside mirrors See Rear Window Defogger under Du...

Page 45: ...zone Then glance over your shoulder to double check before moving slowly into the adjacent lane Reverse Tilt Mirrors If equipped with memory seats the passenger and or driver mirror tilts to a presel...

Page 46: ...turn on the display Push the tab to turn it off When off the mirror is automatic dimming Adjust the mirror for a clear view of the area behind the vehicle while the display is off Press V to scroll t...

Page 47: ...k the outside mirrors or glance over your shoulder when making lane changes or merging Failure to use proper care may result in injury death or vehicle damage Troubleshooting See your dealer for servi...

Page 48: ...reme heat and suffer permanent injuries or even death from heat stroke The vehicle aerodynamics are designed to improve fuel economy performance This may result in a pulsing sound when either rear win...

Page 49: ...witches from working except from the driver position Press 2 to engage the rear window lockout feature The indicator light is on when engaged Press 2 again to disengage Windows Express Movement All wi...

Page 50: ...ramming may be necessary if the vehicle battery has been disconnected or discharged If the window is unable to express up program each express close window 1 Close all doors 2 Turn the ignition on or...

Page 51: ...ORY or when Retained Accessory Power RAP is active See Retained Accessory Power RAP 0 216 Slide Switch Express Open Express Close To express open the sunroof fully press and release I 1 Press and rele...

Page 52: ...reversal system will detect an object stop and open the sunroof slightly If frost or other conditions prevent closing override the feature by closing the sunroof in manual mode To stop movement relea...

Page 53: ...sh 71 Airbag System Airbag System 71 Where Are the Airbags 73 When Should an Airbag Inflate 75 What Makes an Airbag Inflate 75 How Does an Airbag Restrain 76 What Will You See after an Airbag Inflates...

Page 54: ...ints in the outboard seating positions Adjust the 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 inj...

Page 55: ...sh and pull on the head restraint to make sure that it is locked If you are installing a child restraint in the rear seat see Lower Anchors and Tethers for Children LATCH System 0 91 Center Headrest T...

Page 56: ...ge area for the driver and passenger when the center front seat is not used Pull the strap on the side of the center seatback to fold the center seatback Do not use the center seatback as a seating po...

Page 57: ...mbar support at the same time Reclining Seatbacks Warning Sitting in a reclined position when the vehicle is in motion can be dangerous Even when buckled up the seat belts cannot do their job The shou...

Page 58: ...he seatback will automatically fold forward 2 To recline move the seatback rearward to the desired position then release the lever to lock the seatback in place 3 Push and pull on the seatback to make...

Page 59: ...ccess 0 16 Only RKE transmitters 1 and 2 can be used for automatic memory recalls A Driver Information Center DIC welcome message indicating the transmitter number may display for the first few igniti...

Page 60: ...n will not be saved and two beeps will not sound Repeat Steps 3 and 4 1 or 2 corresponds to the driver number See Identifying Driver Number previously in this section 5 Repeat Steps 1 4 for a second d...

Page 61: ...or try the other RKE transmitter Seat Exit Memory Seat Exit Memory is not linked to an RKE transmitter The position saved to B is used for all drivers To turn Seat Exit Memory on or off see Vehicle Pe...

Page 62: ...on high for an extended time their level may automatically be lowered Auto Heated Seats When the vehicle is on this feature will automatically activate the heated seats at the level required by the ve...

Page 63: ...10 minutes before the vehicle is turned on There will be an alert when the vehicle is turned off The alert does not directly detect objects in the rear seat instead under certain conditions it detects...

Page 64: ...e belt could be seriously injured After raising the rear seatback always check to be Continued Warning Continued sure that the seat belts are properly routed and attached and are not twisted Heated Re...

Page 65: ...you or your passenger s are not wearing seat belts injuries can be much worse than if you are wearing seat belts You can be seriously injured or killed by hitting things inside the vehicle harder or b...

Page 66: ...I have to wear seat belts A Airbags are supplemental systems only They work with seat belts not instead of them Whether or not an airbag is provided all occupants still have to buckle up to get the m...

Page 67: ...n your abdomen This could cause serious or even fatal injuries Wear the shoulder belt over the shoulder and across the chest These parts of the body are best able to take belt restraining forces The s...

Page 68: ...elt All seating positions in the vehicle have a lap shoulder belt The following instructions explain how to wear a lap shoulder belt properly 1 Adjust the seat if the seat is adjustable so you can sit...

Page 69: ...ront outboard seating position may affect the passenger sensing system if equipped See Passenger Sensing System 0 77 If the webbing locks in the latch plate before it reaches the buckle tilt the latch...

Page 70: ...tal or rear crash if the threshold conditions for pretensioner activation are met Seat belt pretensioners can also help tighten the seat belts in a side crash or rollover event Pretensioners work only...

Page 71: ...er Safety System Check Periodically check the seat belt reminder seat belts buckles latch plates retractors shoulder belt height adjusters if equipped and seat belt anchorages to make sure they are al...

Page 72: ...essary But the seat belt assemblies that were used during any crash may have been stressed or damaged See your dealer to have the seat belt assemblies inspected or replaced New parts and repairs may b...

Page 73: ...rash In some crashes seat belts are the only restraint See When Should an Airbag Inflate 0 75 Wearing your seat belt during a crash helps reduce your chance of hitting things inside the vehicle or bei...

Page 74: ...To read how see Older Children 0 84 or Infants and Young Children 0 86 There is an airbag readiness light on the instrument cluster which shows the airbag symbol The system checks the airbag electrica...

Page 75: ...ning If something is between an occupant and an airbag the airbag might not inflate properly or it might force the object into Continued Warning Continued that person causing severe injury or even dea...

Page 76: ...ormable narrow or wide Frontal airbags are not intended to inflate during vehicle rollovers rear impacts or many side impacts In addition the vehicle has advanced technology frontal airbags Advanced t...

Page 77: ...hen Should an Airbag Inflate 0 75 Airbags should never be regarded as anything more than a supplement to seat belts What Will You See after an Airbag Inflates After frontal and seat mounted side impac...

Page 78: ...e that could make it difficult to safely operate the vehicle Use caution if you should attempt to restart the engine after a crash has occurred In many crashes severe enough to inflate the airbag wind...

Page 79: ...restraint for their weight and size Whenever possible children aged 12 and under should be secured in a rear seating position Never put a rear facing child seat in the front This is because the risk t...

Page 80: ...rn on the front outboard passenger frontal airbag anytime the system senses that a person of adult size is sitting properly in the front outboard passenger seat When the passenger sensing system has a...

Page 81: ...icator is still lit turn the vehicle off Then slightly recline the vehicle seatback and adjust the seat cushion if adjustable to make sure that the vehicle seatback is not pushing the child restraint...

Page 82: ...ased risk of serious injury or even death An adult sized occupant should not ride in the front outboard passenger seat if the passenger airbag OFF indicator is lit Additional Factors Affecting System...

Page 83: ...ssories that change the vehicle s frame bumper system height front end or side sheet metal may keep the airbag system from working properly The operation of the airbag system can also be affected by c...

Page 84: ...and have questions about whether the modifications will affect the vehicle s airbag system or if you have questions about whether the airbag system will be affected if the vehicle is modified for any...

Page 85: ...ght and height limitations for that booster Use a booster seat with a lap shoulder belt until the child passes the fit test below Sit all the way back on the seat Do the knees bend at the seat edge If...

Page 86: ...sition In a crash children who are not buckled up can strike other people who are buckled up or can be thrown out of the vehicle Older children need to use seat belts properly Warning Never allow more...

Page 87: ...to go all the way back into the retractor but it cannot do this if it is wrapped around a child s neck If the shoulder belt is locked and tightened around a child s neck the only way to loosen the bel...

Page 88: ...restraints Rear facing child restraints Belt positioning booster seats The proper child restraint for your child depends on their size weight and age and also on whether the child restraint is compati...

Page 89: ...structure This alone could cause serious or fatal injuries To reduce the risk of serious or fatal injuries during a crash young children should always be secured in an appropriate child restraint Chi...

Page 90: ...estraints must be secured in vehicle seats by lap belts or the lap belt portion of a lap shoulder belt or by the LATCH system See Lower Anchors and Tethers for Children LATCH System 0 91 for more info...

Page 91: ...lled if the front passenger airbag inflates This is because the back of the rear facing child restraint would be very close to the inflating airbag A child in a forward facing child restraint can be s...

Page 92: ...an unsecured child restraint can move around in a collision or sudden stop and injure people in the vehicle Be sure to properly secure any child restraint in the vehicle even when no child is in it L...

Page 93: ...ild restraint A child restraint must never be installed using only the top tether For a forward facing 5 pt harness child restraint where the combined weight of the child and restraint are up to 29 5...

Page 94: ...ee Securing Child Restraints In the Center Front Seat 0 107 or Securing Child Restraints With the Seat Belt in the Rear Seat 0 104 or Securing Child Restraints With the Seat Belt in the Front Outboard...

Page 95: ...ects to the top tether anchor in the vehicle in order to reduce the forward movement and rotation of the child restraint during driving or in a crash The child restraint may have a single tether 3 or...

Page 96: ...Double and Crew Cab Rear Seat I Seating positions with top tether anchors H Seating positions with two lower anchors To assist in locating the lower anchors on double and crew cab models each seating...

Page 97: ...ts Regular Cab For regular cab models the top tether anchors are on the back panel behind the passenger seat s or center seat Be sure to use an anchor directly behind the seating position where the ch...

Page 98: ...traint system secured in a rear seating position See Where to Put the Restraint 0 90 for additional information Securing a Child Restraint Designed for the LATCH System Warning A child could be seriou...

Page 99: ...not fold the rear seat cushion when the seat is occupied Do not fold the empty rear seat with a seat belt buckled This could damage the seat belt or the seat Unbuckle and return the seat belt to its s...

Page 100: ...Belt in the Front Outboard Seat 0 108 4 Before placing a child in the child restraint make sure it is securely held in place To check grasp the child restraint at the belt path and attempt to move it...

Page 101: ...ar Driver Side Position 2 1 For a top tether in the rear driver side position 2 1 1 Remove the driver side head restraint and center headrest See Head Restraint or Headrest Removal and Reinstallation...

Page 102: ...nger Side Position 2 2 For a top tether in the rear passenger side position 2 2 1 Remove the passenger side head restraint and center headrest See Head Restraint or Headrest Removal and Reinstallation...

Page 103: ...osed and secured to the top tether anchor 3 Tighten the top tether per the child restraint manufacturer s instructions When the top tether is properly tightened the loop may bend This is normal and wi...

Page 104: ...aint or headrest in a secure place 3 When the child restraint is removed reinstall the head restraint or headrest before the seating position is used Warning With head restraints that are not installe...

Page 105: ...r Children LATCH System 0 91 for how and where to install the child restraint using LATCH If a child restraint is secured in the vehicle using a seat belt and it uses a top tether see Lower Anchors an...

Page 106: ...e quickly unbuckled if necessary 5 Pull the shoulder belt all the way out of the retractor to set the lock When the retractor lock is set the belt can be tightened but not pulled out of the retractor...

Page 107: ...and let it return to the stowed position If the top tether is attached to a top tether anchor disconnect it Reinstall the head restraint or headrest before the seating position is used See Head Restra...

Page 108: ...the seat belt path and attempt to move it 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 To remove the child restra...

Page 109: ...lating airbag A child in a forward facing child restraint can be seriously injured or killed if the front outboard passenger frontal airbag inflates and the passenger seat is in a forward position Eve...

Page 110: ...ward or the seatback to an upright position if needed to get a tight installation of the child restraint When the passenger sensing system has turned off the front outboard passenger frontal airbag th...

Page 111: ...elt out of the retractor to make sure the retractor is locked If the retractor is not locked repeat Steps 5 and 6 7 If the vehicle does not have a rear seat and the child restraint manufacturer recomm...

Page 112: ...27 19 Seats and Restraints 111 If a child restraint has been installed and the ON indicator is lit see If the On Indicator Is Lit for a Child Restraint under Passenger Sensing System 0 77 To remove t...

Page 113: ...rage Features Cargo Tie Downs 115 Storage Compartments Warning Do not store heavy or sharp objects in storage compartments In a crash these objects may cause the cover to open and could result in inju...

Page 114: ...in the rear seat Pull the tab to access Push the storage door to close The storage door must be closed before installing child restraints Center Console Storage Bench Seat Pull the strap on the side...

Page 115: ...37776 2020 CRC 8 27 19 114 Storage Bench Seat If equipped with storage press the latch and lift to open Bucket Seat Press the latch and lift to open Floor Console Storage If equipped with front center...

Page 116: ...rd and Long Box This vehicle is equipped with 12 fixed cargo tie downs Any of the 12 locations inside the truck bed can be used The maximum load per corner is 227 kg 500 lb CarbonPro Box Accessory Tie...

Page 117: ...firmly by hand only Do not use tools To remove 1 Remove the tie down loop completely by turning counterclockwise while holding the backing plate against the truck bed wall 2 Pull the backing plate aw...

Page 118: ...Electric Parking Brake Light 140 Antilock Brake System ABS Warning Light 140 Four Wheel Drive Light 141 Tow Haul Mode Light 141 Hill Descent Control Light 141 Lane Departure Warning LDW Light 2500 350...

Page 119: ...ng Wheel Adjustment To adjust the steering wheel 1 Pull the lever down 2 Move the steering wheel up or down 3 Pull the lever up to lock the steering wheel in place Tilt and Telescoping Wheel To adjust...

Page 120: ...ated steering wheel indicator light may not come on See Heated and Ventilated Front Seats 0 60 Horn To sound the horn press a on the steering wheel Windshield Wiper Washer The windshield wiper control...

Page 121: ...re on LO HI or 3 they will immediately stop If the windshield wiper control is ON then moved to OFF before the driver door is opened or within 10 minutes the wipers will restart and move to the base o...

Page 122: ...ury or death Caution Leaving electrical equipment plugged in for an extended period of time while the vehicle is off will drain the battery Always unplug electrical equipment when not in use and do no...

Page 123: ...icator light on the outlet illuminates when power is provided to the outlet and no system fault is detected The outlets will not operate when the ignition is off the DC AC switch is not pressed or the...

Page 124: ...is 20 C 4 F to 60 C 140 F for the charging system and 0 C 32 F to 35 C 95 F for the smartphone Warning Remove all objects from the charging pad before charging your compatible smartphone Objects such...

Page 125: ...nses as are included following this notice for the terms and conditions of their use OSS Notice Information To obtain the source code that is contained in this product please visit http opensource lge...

Page 126: ...R BUSINESS INTERRUPTION HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY WHETHER IN CONTRACT STRICT LIABILITY OR TORT INCLUDING NEGLIGENCE OR OTHERWISE ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE...

Page 127: ...Sierra Denali Owner Manual GMNA Localizing U S Canada Mexico 13337776 2020 CRC 8 27 19 126 Instruments and Controls Instrument Cluster 1500 Series Base Cluster English Shown 2500 3500 Series and Metr...

Page 128: ...GMC Sierra Sierra Denali Owner Manual GMNA Localizing U S Canada Mexico 13337776 2020 CRC 8 27 19 Instruments and Controls 127 Midlevel Cluster English Shown Metric Similar...

Page 129: ...rra Sierra Denali Owner Manual GMNA Localizing U S Canada Mexico 13337776 2020 CRC 8 27 19 128 Instruments and Controls 1500 Series Uplevel Cluster English Standard Shown 2500 3500 Series and Metric S...

Page 130: ...ons menu Speedometer Displays how fast the vehicle is moving in either kilometers per hour km h or miles per hour mph Speed Sign Shows sign information which comes from a roadway database in the onboa...

Page 131: ...bwheel while the desired item is highlighted A selected mark will be displayed next to the selected item Info Page Options Press the thumbwheel while Info Page Options is displayed to enter and select...

Page 132: ...e Level 0 147 or Driver Information Center DIC Midlevel and Uplevel 0 148 Tachometer The tachometer displays the engine speed in revolutions per minute rpm For vehicles with the Stop Start system when...

Page 133: ...should be refueled soon Here are four things that some owners ask about None of these show a problem with the fuel gauge At the service station the fuel pump shuts off before the gauge reads full It...

Page 134: ...rmal If the oil pressure warning light or Driver Information Center DIC message indicates oil pressure outside the normal operating range check the vehicle s oil as soon as possible See Engine Oil 0 3...

Page 135: ...s operating outside the normal operating range the charging system light comes on See Charging System Light 0 137 The voltmeter gauge may also read lower when in fuel economy mode This is normal Readi...

Page 136: ...passenger seat belt reminder light when the vehicle is started this light flashes and a chime may come on to remind passengers to fasten their seat belt Then the light stays on solid until the belt i...

Page 137: ...ates Canada When the vehicle is started the passenger airbag status indicator will light ON and OFF or the symbols for on and off for several seconds as a system check Then after several more seconds...

Page 138: ...be driven with the light on be sure to turn off all accessories such as the radio and air conditioner Malfunction Indicator Lamp Check Engine Light This light is part of the vehicle s emission contro...

Page 139: ...s still flashing follow the previous guidelines and see your dealer for service as soon as possible If the light is on steady A malfunction has been detected Diagnosis and service may be required Chec...

Page 140: ...been recently serviced See your dealer if the vehicle will not pass or cannot be made ready for the test Brake System Warning Light Metric English This light should come on briefly when the vehicle is...

Page 141: ...o warn if there is a problem If this light stays on take the vehicle to your dealer as soon as possible See the information for the Electric Parking Brake under Electric Parking Brake 0 233 A message...

Page 142: ...e light will be steady If the light turns amber there may be a malfunction with the four wheel drive system See your dealer See Four Wheel Drive 0 227 Tow Haul Mode Light For vehicles with the Tow Hau...

Page 143: ...amber as a Lane Departure Warning LDW alert to indicate that the lane marking has been crossed LKA will not assist or alert if the turn signal is active in the direction of lane departure or if LKA de...

Page 144: ...ome on have the vehicle serviced by your dealer If the system is working normally the indicator light turns off If the light is on and not flashing the TCS and potentially the ESC system have been dis...

Page 145: ...the vehicle has overheated Driving with this light on can damage the engine and it may not be covered by the vehicle warranty See Engine Overheating 0 351 The engine coolant temperature warning light...

Page 146: ...tor Operation 0 390 Engine Oil Pressure Light Uplevel Cluster Caution Lack of proper engine oil maintenance can damage the engine Driving with the engine oil low can also damage the engine The repairs...

Page 147: ...nt system See Immobilizer Operation 0 37 High Beam On Light This light comes on when the high beam headlamps are in use See Headlamp High Low Beam Changer 0 167 IntelliBeam Light This light comes on w...

Page 148: ...vehicle has a diesel engine see the Duramax diesel supplement for more information DIC Menu Items Turn the trip odometer reset stem to scroll through the following menu items Digital Speedometer Trip...

Page 149: ...an when the oil has just been changed It cannot be reset accurately until the next oil change To reset the engine oil life system see Engine Oil Life System 0 341 Air Filter Life Turn the trip odomete...

Page 150: ...ailable for your particular vehicle Some items may not be turned on by default but can be turned on through the Options app See Info Page Options earlier in this section While in the Info Page Options...

Page 151: ...w the CHANGE ENGINE OIL SOON message will appear on the display The oil should be changed as soon as possible See Engine Oil 0 339 In addition to the engine oil life system monitoring the oil life add...

Page 152: ...the engine has run This display also shows the engine idle hours Transmission Fluid Temperature Shows the temperature of the automatic transmission fluid in either degrees Celsius C or degrees Fahrenh...

Page 153: ...d out toward the front of the vehicle Caution If you try to use the HUD image as a parking aid you may misjudge the distance and damage your vehicle Do not use the HUD image as a parking aid The HUD i...

Page 154: ...can temporarily light up depending on the angle and position of sunlight on the HUD display This is normal Polarized sunglasses could make the HUD image harder to see Head Up Display HUD Rotation Opt...

Page 155: ...lish Shown Metric Similar Navigation Active OnStar View This displays the speed view along with indicators for vehicle ahead Lane Departure Warning Lane Keep Assist trailer sway and pedestrian advisor...

Page 156: ...one after another The messages that do not require immediate action can be acknowledged and cleared by pressing the thumbwheel The messages that require immediate action cannot be cleared until that...

Page 157: ...ersonalization The following are all possible vehicle personalization features Depending on the vehicle some may not be available For System Apps and Personal features and functions see Settings in th...

Page 158: ...setting both FCA and AEB are available The Alert setting disables AEB See Automatic Emergency Braking AEB 0 270 Touch Off Alert or Alert and Brake Front Pedestrian Detection This feature may help avo...

Page 159: ...fold or unfold when the Remote Keyless Entry RKE transmitter Q or K button is pressed and held See Folding Mirrors 0 42 Touch Off or On Lighting Touch and the following may display Vehicle Locator Li...

Page 160: ...ors or just the driver door unlock when pressing K on the RKE transmitter Touch All Doors or Driver Door Remote Start Auto Cool Seats If equipped and turned on this feature will turn on the ventilated...

Page 161: ...SORY See Memory Seats 0 58 Touch Off or On Seat Exit Memory This feature automatically recalls the previously stored exit button positions when the ignition is changed from on or ACC ACCESSORY to off...

Page 162: ...ms and home automation devices These instructions refer to a garage door opener but can be used for other devices Do not use the Universal Remote system with any garage door opener that does not have...

Page 163: ...hand held transmitter button and one of the three Universal Remote system buttons to be used to operate the garage door Do not release either button until the indicator light goes from a slow to a ra...

Page 164: ...sal Remote system should now activate the garage door Repeat the process for programming the two remaining buttons Radio Signals for Some Gate Operators For questions or programming help see www homel...

Page 165: ...ng Universal Remote System Buttons Erase all programmed buttons when vehicle ownership is terminated To erase 1 Press and hold the two outside buttons until the indicator light begins to flash This sh...

Page 166: ...g Lamps 170 Task Lighting 171 Exterior Cargo Lamps 171 Interior Lighting Instrument Panel Illumination Control 172 Dome Lamps 172 Reading Lamps 173 Lighting Features Entry Lighting 173 Exit Lighting 1...

Page 167: ...ay on for 10 minutes before turning off to prevent the battery from being drained Turn the headlamp control off and then back to the headlamp on position to make the headlamps stay on for an additiona...

Page 168: ...the system cannot detect another vehicle s lamps because of any of the following The other vehicle s lamps are missing damaged obstructed from view or otherwise undetected The other vehicle s lamps ar...

Page 169: ...come on Release the lever to return to normal operation Daytime Running Lamps DRL DRL can make it easier for others to see the front of the vehicle during the day Fully functional DRL are required on...

Page 170: ...illumination control is in the full bright position See Instrument Panel Illumination Control 0 172 When it is bright enough outside the headlamps will turn off or may change to DRL The automatic hea...

Page 171: ...eleased If after signaling a turn or a lane change the arrows flash rapidly or do not come on a signal bulb could be burned out If equipped with LED turn signals see your dealer Replace any burned out...

Page 172: ...one of the following options Left and Right Task Lights Illuminated Left Task Light Illuminated Right Task Light Illuminated Left and Right Task Lights Off If the vehicle leaves a parked position the...

Page 173: ...rgo Switch Indicator if equipped Off Become familiar with and follow all state and local laws that apply to cargo lamp operation Interior Lighting Instrument Panel Illumination Control This feature co...

Page 174: ...eading lamps on or off Lighting Features Entry Lighting Some exterior lamps and the interior lamps turn on briefly at night or in areas with limited lighting when K is pressed on the Remote Keyless En...

Page 175: ...power that is needed for very high electrical loads A high electrical load occurs when several of the following are on such as headlamps high beams fog lamps rear window defogger climate control fan...

Page 176: ...calizing U S Canada Mexico 13337776 2020 CRC 8 27 19 Lighting 175 timer turn the exterior lamp control to the O position and then back to the or 2 position To keep the lamps on for more than 10 minute...

Page 177: ...on the radio audio players phone navigation system and voice or speech recognition It also includes information on settings Active Noise Cancellation ANC If equipped ANC reduces engine noise in the v...

Page 178: ...ntrol Systems The heating cooling and ventilation in the vehicle can be controlled with this system 1 Fan Control 2 MAX Defrost 3 Air Delivery Mode Controls 4 A C Air Conditioning 5 TEMP Temperature C...

Page 179: ...Press to turn on recirculation An indicator light comes on Air is recirculated to quickly cool the inside of the vehicle It can also be used to help reduce outside air and odors that enter the vehicle...

Page 180: ...frost 3 Air Delivery Mode Controls 4 A C Air Conditioning 5 SYNC Synchronized Temperature 6 Recirculation 7 Power Button 8 Fan Control 9 Rear Window Defogger If Equipped or Heated Mirrors If Equipped...

Page 181: ...ot manually set will continue to be automatically controlled even if the AUTO indicator is not lit For automatic operation 1 Press AUTO 2 Set the temperature Allow the system time to stabilize Adjust...

Page 182: ...ve a medium fan speed This mode overrides the previous mode selected and clears fog or frost from the windshield more quickly When the control is pressed again the system returns to the previous mode...

Page 183: ...The solar sensor on top of the instrument panel near the windshield monitors the solar heat The climate control system uses the sensor information to adjust the temperature fan speed recirculation an...

Page 184: ...n adversely affect the performance of the system Check with your dealer before adding equipment to the outside of the vehicle Maintenance Passenger Compartment Air Filter The filter reduces the dust p...

Page 185: ...a label underhood that identifies the refrigerant used in the vehicle The refrigerant system should only be serviced by trained and certified technicians The air conditioning evaporator should never...

Page 186: ...17 Shifting out of Park 218 Parking over Things That Burn 219 Active Fuel Management 219 Extended Parking 219 Engine Exhaust Engine Exhaust 220 Running the Vehicle While Parked 220 Automatic Transmiss...

Page 187: ...Tips 287 Trailer Towing 292 Towing Equipment 296 Trailer Sway Control TSC 308 Trailering App 310 Conversions and Add Ons Add On Electrical Equipment 322 Adding a Snow Plow or Similar Equipment 323 Pi...

Page 188: ...c devices Designate a front seat passenger to handle potential distractions Become familiar with vehicle features before driving such as programming favorite radio stations and adjusting climate contr...

Page 189: ...rol a vehicle while driving Braking Braking action involves perception time and reaction time Deciding to push the brake pedal is perception time Actually doing it is reaction time Average driver reac...

Page 190: ...ng 2500 3500 Series 2500 3500 Series All Regular Cab Double Cab Crew Cab without Digital Steer Assist The power steering system may require maintenance See Power Steering Fluid 0 354 If power steering...

Page 191: ...of the steering wheel allows you to turn 180 degrees without removing a hand Antilock Brake System ABS allows steering while braking Off Road Recovery The vehicle s right wheels can drop off the edge...

Page 192: ...hifting to a lower gear Any sudden changes could cause the tires to slide Remember Antilock brakes help avoid only the braking skid Off Road Driving Four wheel drive vehicles can be used for off road...

Page 193: ...sible The heaviest things should be on the floor forward of the rear axle Heavy loads on the roof raise the vehicle s center of gravity making it more likely to roll over You can be seriously or fatal...

Page 194: ...the top of a hill slow down and stay alert Never go downhill forward or backward with either the transmission or transfer case in N Neutral The brakes could overheat and you could lose control Warning...

Page 195: ...eep enough to stall the vehicle it is steep enough to cause it to roll over If you cannot make it up the hill back straight down the hill Never back down a hill in N Neutral using only the brake The v...

Page 196: ...the lower the gear Keep the vehicle moving to avoid getting stuck Traction changes when driving on sand On loose sand such as on beaches or sand dunes the tires tend to sink into the sand This affect...

Page 197: ...use glazing and uneven braking Check the body structure driveline steering suspension wheels tires and exhaust system for damage and check the fuel lines and cooling system for any leakage More freque...

Page 198: ...cooling system and transmission Shift to a lower gear when going down steep or long hills Warning Using the brakes to slow the vehicle on a long downhill slope can cause brake overheating can reduce b...

Page 199: ...safe place and signal for help Stay with the vehicle unless there is help nearby If possible use Roadside Assistance See Roadside Assistance Program 0 466 To get help and keep everyone in the vehicle...

Page 200: ...verheat causing an engine compartment fire or other damage Spin the wheels as little as possible and avoid going above 56 km h 35 mph For information about using tire chains on the vehicle see Tire Ch...

Page 201: ...ed some place to continue driving Vehicle Load Limits It is very important to know how much weight the vehicle can carry This weight is called the vehicle capacity weight and includes the weight of al...

Page 202: ...ion Tire label It may show the Gross Vehicle Weight Rating GVWR and the Gross Axle Weight Rating GAWR for the front and rear axles See Certification Tire Label later in this section Steps for Determin...

Page 203: ...ine how this reduces the available cargo and luggage load capacity of your vehicle See Trailer Towing 0 292 for important information on towing a trailer towing safety rules and trailering tips Exampl...

Page 204: ...label is attached to the center pillar B pillar The label may show the size of the vehicle s original tires and the inflation pressures needed to obtain the gross weight capacity of the vehicle This...

Page 205: ...le 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 Do not leave an unsecured child restraint in the ve...

Page 206: ...loading the vehicle may cause damage Repairs would not be covered by the vehicle warranty Do not overload the vehicle Remember not to exceed the Gross Axle Weight Rating GAWR of the front or rear axle...

Page 207: ...r check the manufacturer s instructions When carrying a slide in camper the total cargo load of the vehicle is the weight of the camper plus Everything added to the camper after it left the factory Ev...

Page 208: ...Then subtract this extra weight from the CWR This extra weight may shorten the center of gravity zone of the vehicle If the slide in camper and its load weighs less than the CWR the center of gravity...

Page 209: ...oid making hard stops for the first 322 km 200 mi or so During this time the new brake linings are not yet broken in Hard stops with new linings can mean premature wear and earlier replacement Follow...

Page 210: ...vehicle may have an electric steering column lock The lock is activated when the ignition is turned off and driver door is opened A sound may be heard as the lock actuates or releases The steering co...

Page 211: ...e brake pedal applied pressing ENGINE START STOP button once will turn the ignition on Once engine cranking begins release the button Engine cranking will continue until the engine starts See Starting...

Page 212: ...ened and the key is in the ignition If equipped with a locking steering column the steering can bind with the front wheels turned off center which may prevent key rotation out of LOCK OFF If this happ...

Page 213: ...vehicle may not start A warning chime will sound when the driver door is opened and the key is in the ignition 2 ON RUN This position can be used to operate the electrical accessories and to display s...

Page 214: ...tch in the START position to continue engine cranking Caution Cranking the engine for long periods of time by returning the ignition to the START position immediately after cranking has ended can over...

Page 215: ...e pedal is released Auto Stops may not occur and or Auto Starts may occur because The climate control settings require the engine to be running to cool or heat the vehicle interior The vehicle battery...

Page 216: ...ll prevent engine heater operation at temperatures above 18 C 0 F Warning Do not plug in the engine block heater while the vehicle is parked in a garage or under a carport Property damage or personal...

Page 217: ...tly attached to the vehicle Possible heater cord and thermostat damage could occur While in use do not let the heater cord touch vehicle parts or sharp edges Never close the hood on the heater cord Be...

Page 218: ...hift lever toward you and moving it up as far as it will go 3 Be sure the transfer case if equipped is in a drive gear not in N Neutral 4 Turn the ignition off For Key Access push the ignition key in...

Page 219: ...you may need to have another vehicle push yours a little uphill to take some of the pressure from the parking pawl in the transmission You will then be able to pull the shift lever out of P Park Shif...

Page 220: ...stem will maintain full cylinder operation Dynamic Fuel Management If equipped Dynamic Fuel Management calculates the number of cylinders needed to maximize fuel economy and meet the driving demands D...

Page 221: ...rly repaired Continued Warning Continued There are holes or openings in the vehicle body from damage or aftermarket modifications that are not completely sealed If unusual fumes are detected or if it...

Page 222: ...ully in P Park with the parking brake firmly set The vehicle can roll Do not leave the vehicle when the engine is running If you have left the engine running the vehicle can move suddenly You or other...

Page 223: ...ure the engine is not running at high speed when shifting the vehicle Caution A transmission or engine oil hot message may display if the automatic transmission fluid or engine oil is too hot Driving...

Page 224: ...s The adaptive shift control process continually compares key shift parameters to pre programmed ideal shifts stored in the transmission s computer The transmission constantly makes adjustments to imp...

Page 225: ...e a number displays next to the L indicating the current transmission range This number is the highest gear that the transmission will command while operating in L Manual Mode All gears below that num...

Page 226: ...Mode 6th 5th 4th 3rd 2nd 1st Range after shifting from D Drive to L Manual Mode L4 L4 L3 L2 L2 L1 8 Speed Automatic Transmission Gear before shifting from D Drive to L Manual Mode 8th 7th 6th 5th 4th...

Page 227: ...l and the Tow Haul Mode can be used If the vehicle has an exhaust brake it can also be used but will not automatically downshift the transmission See Exhaust Brake in the Duramax diesel supplement Cau...

Page 228: ...Haul Mode Grade Braking Tow Haul Mode Grade Braking is only enabled while the Tow Haul Mode is selected and the vehicle is not in the Range Selection Mode See Manual Mode 0 224 Tow Haul Mode Grade Br...

Page 229: ...Control 0 235 Automatic Transfer Case Two Speed Transfer Case If equipped the transfer case controls are used to shift into and out of four wheel drive To shift the transfer case press the desired bu...

Page 230: ...hift to the new desired state Once the 4x4 shift has completed the DIC message disappears the 4x4 graphic stops flashing and the current setting is indicated When a shift to 2 m is completed successfu...

Page 231: ...moving 1 6 to 3 2 km h 1 to 2 mph 2 Press 4 m AUTO or 2 m The actual 4x4 shift request is only made after the button is released The 4x4 graphic will remain flashing until the shift request has compl...

Page 232: ...Shifting Out of N Neutral To shift out of N Neutral 1 Turn the ignition on with the engine off See Ignition Positions Keyless Access 0 208 or Ignition Positions Key Access 0 210 2 Set the parking brak...

Page 233: ...il the shift request has completed A DIC message displays Once the 4x4 shift has completed the DIC message disappears the 4x4 graphic stops flashing and the current setting is indicated The actual 4x4...

Page 234: ...in Emergencies ABS allows steering and braking at the same time In many emergencies steering can help even more than braking Electric Parking Brake The vehicle has an Electric Parking Brake EPB The E...

Page 235: ...the EPB fails to apply block the rear wheels to prevent vehicle movement EPB Release To release the EPB 1 Turn the ignition on or to ACC ACCESSORY 2 Apply and hold the brake pedal 3 Press the EPB swit...

Page 236: ...hin a few minutes the Electric Parking Brake will apply The brakes may also release under other conditions Do not rely on HSA to hold the vehicle HSA is available when the vehicle is facing uphill in...

Page 237: ...Off and On later in this section When the transfer case if equipped is in Four Wheel Drive Low the stability system is automatically disabled g comes on and the appropriate message will appear on the...

Page 238: ...the DIC To turn TCS and StabiliTrak ESC on again press and release g The traction off light i and the StabiliTrak ESC OFF light g in the instrument cluster turn off StabiliTrak ESC will automatically...

Page 239: ...is happens HDC will require time to cool down The length of time HDC remains active depends on road conditions grade set speed vehicle loading and outside temperature When enabled if the vehicle speed...

Page 240: ...a more controlled response When you enter this mode you will immediately feel a down shift In this mode the vehicle also monitors driving behaviors and automatically enables Performance Shift Feature...

Page 241: ...ed Such a selection when unloaded may result in unpleasant engine and transmission driving characteristics heavy or light steering and reduced fuel economy When selected the Tow Haul Mode light will d...

Page 242: ...tle mimics performance of 4 n without torque multiplication Grassy fields mild two tracks rutted roads large rolling hills L2 Moderate deceleration when off throttle and moderate ability to modulate t...

Page 243: ...o the light braking The vehicle will automatically exit the mode if the brakes get too hot Terrain Mode can be turned back on after the brakes have cooled When Terrain Mode is selected Auto Engine Sta...

Page 244: ...bility Control 0 235 If a collision alert occurs when cruise control is activated cruise control is disengaged See Forward Collision Alert FCA System 0 268 When road conditions allow you to safely use...

Page 245: ...s displayed Reducing Speed While Using Cruise Control Do one of the following Press and hold SET down until the desired lower speed is reached then release it To slow down in small increments press SE...

Page 246: ...se control ACC uses a windshield mounted front camera sensor If a vehicle is detected in your path ACC can apply acceleration or limited moderate braking to maintain the selected following gap To dise...

Page 247: ...tinued On slippery roads where fast changes in tire traction can cause excessive wheel slip With extremely heavy cargo loaded in the cargo area or rear seat When towing a trailer J Press to turn the s...

Page 248: ...last mode used before the vehicle was turned off Warning Always check the cruise control indicator on the instrument cluster to determine which mode cruise control is in before using the feature If AC...

Page 249: ...Once ACC has resumed if there is no vehicle ahead if the vehicle ahead is beyond the selected following gap or if the vehicle has exited a sharp curve then the vehicle speed will increase to the set s...

Page 250: ...5 km h 5 mph at a time The set speed can also be decreased while the vehicle is stopped If stopped with the brake applied press or hold SET until the desired set speed is displayed Selecting the Follo...

Page 251: ...nd to or brake for vehicles ahead ACC automatically slows the vehicle down and adjusts vehicle speed to follow a detected vehicle ahead at the selected following gap The vehicle speed increases or dec...

Page 252: ...n Control System TCS or StabiliTrak ESC system has activated or been disabled There is a fault in the system A DIC message displays to indicate that ACC is temporarily unavailable The ACC indicator wi...

Page 253: ...s place the vehicle in P Park and turn off the ignition before leaving the vehicle ACC Override If using the accelerator pedal while ACC is active the ACC indicator turns blue on the instrument cluste...

Page 254: ...CC may detect a vehicle that is not in your lane and apply the brakes ACC may occasionally provide an alert and or braking that is considered unnecessary It could respond to vehicles in different lane...

Page 255: ...ACC is temporarily unavailable This can be caused by extreme hot weather conditions with direct sunlight on the front camera ACC will return to normal operation once the cabin temperature is lower Con...

Page 256: ...to be cleaned for ACC to operate properly The vehicle headlamps may need to be cleaned due to dirt snow or ice Objects that are not illuminated correctly may be difficult to detect If ACC will not ope...

Page 257: ...properly repaired Continued Warning Continued Complete attention is always required while driving and you should be ready to take action and apply the brakes and or steer the vehicle to avoid crashes...

Page 258: ...RPA Front Park Assist FPA and Rear Cross Traffic Alert RCTA may help the driver park or avoid objects Always check around the vehicle when parking or backing The RVC RPA and Surround Vision will not w...

Page 259: ...hicle in the infotainment display See below for camera view descriptions and more information Warning The Surround Vision cameras have blind spots and will not display all objects near the corners of...

Page 260: ...Rear Standard View based on gear position If equipped the front view camera also displays when the Park Assist system detects an object within 30 cm 12 in 2 Front Rear Overhead View Displays a front...

Page 261: ...s active 6 Guidance Lines Hitch Guidance Guidance Lines displays available guidelines including Standard and Hitch Guidance A grayed out icon indicates that guidelines are not available To enable touc...

Page 262: ...providing a zoomed in view of the hitch to help align the vehicle s hitch ball with the trailer coupler or to monitor the trailer connection To select touch Hitch View on the infotainment display when...

Page 263: ...ft or Right Transparent Trailer View is shown when the position of the trailer is too far to the left or right When the system is not calibrated or trailer position is not known the Transparent Traile...

Page 264: ...uch the Rear Trailer View Rear Side View with Available Articulation Functionality Picture in Picture Side icon Touch X to exit Provides a rearward split view of the left and right sides of the vehicl...

Page 265: ...lable camera views Front Rear Standard View Front Rear Top Down View Rear Bowl View Front Rear Side View Hitch View Bed View Rear trailer View Rear Side view with a available articulation functionalit...

Page 266: ...Standard View Hitch View Bed View Rear Trailer View Interior Trailer View Guidance Lines Hitch Guidance Troubleshooting The Transparent Trailer calibration may take longer than expected or not calibr...

Page 267: ...t The accessory trailer camera s are not installed according to the installation instructions A feature may be unavailable or not activating as expected if The customization is disabled Check the cust...

Page 268: ...five times Beeps for FPA are higher pitched than for RPA Rear Cross Traffic Alert RCTA If equipped when the vehicle is shifted into R Reverse RCTA shows a red warning triangle with a left or right po...

Page 269: ...d or the Front Pedestrian Braking FPB System can help to avoid a crash or reduce crash damage Forward Collision Alert FCA System If equipped the FCA system may help to avoid or reduce the harm caused...

Page 270: ...by dirt snow Continued Warning Continued or ice or if the windshield is damaged It may also not detect a vehicle on winding or hilly roads or in conditions that can limit visibility such as fog rain o...

Page 271: ...m or Near Following Distance Indicator The following distance to a moving vehicle ahead in your path is indicated in following time in seconds on the Driver Information Center DIC The minimum followin...

Page 272: ...n or snow Detect a vehicle ahead if it is partially blocked by pedestrians or other objects Complete attention is always required while driving and you should be ready to take action and apply the bra...

Page 273: ...shes with nearby pedestrians when driving in a forward gear FPB displays an amber indicator when a nearby pedestrian is detected ahead When approaching a detected pedestrian too quickly FPB provides a...

Page 274: ...oaches a pedestrian ahead too rapidly the red FPB alert display will flash on the windshield Eight rapid high pitched beeps will sound from the front or both sides of the Safety Alert Seat will pulse...

Page 275: ...outside of the windshield in front of the rearview mirror may correct the issue Side Blind Zone Alert SBZA If equipped the SBZA system is a lane changing aid that assists drivers with avoiding crashes...

Page 276: ...Works The LCA symbol lights up in the side mirrors when the system detects a moving vehicle in the next lane over that is in the side blind zone or rapidly approaching that zone from behind A lit LCA...

Page 277: ...or when driving on sharp curves The system does not need to be serviced The system may light up due to guardrails signs trees shrubs and other non moving objects This is normal system operation the v...

Page 278: ...ccur Always keep the windshield headlamps and camera sensors clean and in good repair Do not use LDW in bad weather conditions How the System Works LDW utilizes a camera sensor installed on the windsh...

Page 279: ...not assist and alert if the turn signal is active in the direction of lane departure or if it detects that you are accelerating braking or actively steering Warning The LKA system does not continuous...

Page 280: ...cating that the system is not ready to assist A is green if LKA is ready to assist LKA may assist by gently turning the steering wheel if the vehicle approaches a detected lane marking A is amber when...

Page 281: ...hese conditions continue Fuel Top Tier Fuel GM recommends the use of TOP TIER Detergent Gasoline to keep the engine clean reduce engine deposits and maintain optimal vehicle performance Look for the T...

Page 282: ...vels greater than 15 by volume Prohibited Fuels Caution Do not use fuels with any of the following conditions doing so may damage the vehicle and void its warranty For vehicles that are not FlexFuel f...

Page 283: ...ations that carry E85 or FlexFuel the U S Department of Energy has an alternative fuel website See www afdc energy gov afdc locator stations E85 or FlexFuel should meet ASTM Specification D 5798 or CA...

Page 284: ...l vapors and fuel fires burn violently and can cause injury or death Follow these guidelines to help avoid injuries to you and others Read and follow all the instructions on the fuel pump island Turn...

Page 285: ...oon as possible See Exterior Care 0 429 Push the fuel door closed Warning If a fire starts while you are refueling do not remove the fill nozzle Shut off the flow of fuel by shutting off the pump or b...

Page 286: ...mp fuel Before touching the fill nozzle touch a metallic object to discharge static electricity from your body Fuel can spray out if the fuel cap is opened too quickly This spray can happen if the tan...

Page 287: ...r Lamp Check Engine Light 0 137 Filling a Portable Fuel Container Warning Never fill a portable fuel container while it is in the vehicle Static electricity discharge from the container can ignite the...

Page 288: ...his section have been followed Ask your dealer for advice and information about towing a trailer with the vehicle Driving with a Trailer Trailering is different than just driving the vehicle by itself...

Page 289: ...Use caution while changing lanes when towing a trailer If equipped with Rear Cross Traffic Alert RCTA use caution while backing up when towing a trailer as the RCTA detection zones that extend out fro...

Page 290: ...urns Passing More passing distance is needed when towing a trailer The combination of the vehicle and trailer will not accelerate as quickly and is much longer than the vehicle alone It is necessary t...

Page 291: ...0 255 Parking on Hills Warning To prevent serious injury or death always park your vehicle and trailer on a level surface when possible When parking your vehicle and your trailer on a hill 1 Press th...

Page 292: ...tric brakes that can function when the trailer is submerged it might help to leave the electrical trailer connector attached to maintain trailer brake functionality while on the boat ramp To back the...

Page 293: ...l engine see the Duramax diesel supplement Caution Towing a trailer improperly can damage the vehicle and result in costly repairs not covered by the vehicle warranty To tow a trailer correctly follow...

Page 294: ...jured or killed if the trailer is too heavy or the trailer brakes are inadequate for the load The vehicle may be damaged and the repairs would not be covered by the vehicle warranty Only tow a trailer...

Page 295: ...ay be necessary to reduce the trailer weight to stay within the GCWR GVWR maximum trailer tongue load or GAWR RR for the vehicle Use the Tow Rating Guide my gmc com learn to determine how much the tra...

Page 296: ...specific trailer types such as boat trailers fall outside of this range Always refer to the trailer owner s manual for the recommended trailer tongue weight for each trailer Never exceed the maximum...

Page 297: ...conventional hitch is bolted to the frame or cross member of the tow vehicle and is generally rated Class 2 3 or 4 Gooseneck Hitch A gooseneck hitch is designed to be coupled to a special hitch levera...

Page 298: ...imits with various hitch types Avoid sharp turns when using a step bumper hitch to prevent damage Make wider turns to prevent contact between your trailer and your bumper Consider using mechanical swa...

Page 299: ...iler is ready to connect Keep the trailer detached 2 Measure the height of the top of the front wheel opening at the fender to the ground H1 3 Attach the vehicle to the trailer Do not attach weight di...

Page 300: ...at the fender to the ground H1 3 Attach the vehicle to the trailer Do not attach weight distribution bars at this time 4 Measure the height of the top of the front wheel opening on the fender to the g...

Page 301: ...maximum amount specified in the trailering chart for the vehicle See Trailer Weight under Trailer Towing 0 292 The hitch should be in the pickup bed so that its centerline is over or slightly in fron...

Page 302: ...ic brake system If you do both the vehicle antilock brakes and the trailer brakes may not function which could result in a crash Auxiliary Battery If equipped the vehicle s auxiliary battery can be us...

Page 303: ...g harness with a 7 pin connector and a 4 pin connector is mounted on the vehicle s rear bumper The trailer connectors contain the following circuits 1 Ground 2 Tail Lamps 3 Left Turn Brake 4 Right Tur...

Page 304: ...the camper The harness contains the following camper trailer circuits Stop Turn Signal Left Yellow Blue Stop Turn Signal Right Green Violet Tail Parking Lamps Gray Brown Reverse Lamps White Green Batt...

Page 305: ...See Trailer Weight under Trailer Towing 0 292 Tow Haul Mode is most useful when towing a heavy trailer or carrying a large or heavy load Through rolling terrain In stop and go traffic In busy parking...

Page 306: ...lity which could result in serious injury death or property damage Only use the ITBC Continued Warning Continued system with electric or electric over hydraulic trailer brake systems Trailer Brake Con...

Page 307: ...A CHECK TRAILER WIRING message displays on the DIC There is a fault present in the wiring to the trailer brakes A CHECK TRAILER WIRING message displays on the DIC The ITBC system is not working due t...

Page 308: ...about 10 seconds This message can be acknowledged before it automatically turns off CHECK TRAILER WIRING This message will display if The ITBC system first determines connection to a trailer with ele...

Page 309: ...the trailer is not covered under the vehicle warranty Contact your trailer dealer for assistance with trailer repairs and trailer warranty information Trailer Sway Control TSC Vehicles with StabiliTr...

Page 310: ...tions or trailer brakes could appear on the DIC The effects of these aftermarket devices may have on vehicle handling or trailer brake performance is not known Warning Use of aftermarket electronic tr...

Page 311: ...e designed to support The load rating is located on the trailer tire sidewall Always know the maximum speed rating for the trailer tires before driving This may be significantly lower than the vehicle...

Page 312: ...tom Trailer Profiles made on the vehicle To load an existing Trailer Profile select one of the Trailer Profiles listed or load the Guest Trailer Profile by selecting GUEST TRAILER Touching Cancel Acce...

Page 313: ...for the trailer tires This allows the vehicle to alert when the tire pressure is high or low TTPMS must learn the location of the installed tire sensors to show correct air pressure and temperature f...

Page 314: ...ce Systems for Parking or Backing 0 257 Trailer dimensions must be in range and transparent trailer must be calibrated prior to use Transparent Trailer Setup To complete setup for transparent trailer...

Page 315: ...hown Select MORE to view all options Truck 1 Transmission Fluid Temperature 2 Average Fuel Economy with Trailer Profile Average Fuel Economy Touch to view the average fuel economy of the vehicle while...

Page 316: ...ection may not detect partial outages Activate the light test to check all trailer lamps See Light Test following If the trailer is not equipped with reverse lights or electric brakes and you are rece...

Page 317: ...the screen displays Service Tire Pressure Monitoring System the vehicle needs to be taken to a dealer for service Maintenance 1 List of Maintenance Reminders 2 Add a New Maintenance Reminder The Maint...

Page 318: ...e trailer disconnects The Cameras Status view displays status of trailer cameras Touch a connected camera to preview the camera image Checklist View This view shows the recommended steps to take befor...

Page 319: ...ailer Profile The Guest Trailer Profile cannot be edited Touch p to learn more about the Guest Trailer option No Trailer Connected When there is no trailer connected Trailer Profiles cannot be activat...

Page 320: ...lect Number of Sensors screen will appear after touching Tire Pressure Setup If the number of sensors has changed select the number and touch Next If a new number of sensors is selected the Relearn Se...

Page 321: ...ers that have been set up will be adjusted accordingly Average Fuel Economy Touch to reset the average fuel economy for the Trailer Profile Touch Reset to change or touch Cancel to go back to the prev...

Page 322: ...hen the trailer is disconnected and the vehicle is off an alarm will sound Touch Theft Alert in Settings to view the Theft Alert settings page These alerts are based on the Trailer Profile so the sett...

Page 323: ...ght 0 137 A device connected to the DLC such as an aftermarket fleet or driver behavior tracking device may interfere with vehicle systems This could affect vehicle operation and cause a crash Such de...

Page 324: ...he options the vehicle came with and the weight of those options The weight and number of passengers to be carried The weight of items added to the vehicle like a tool box or truck cap The total weigh...

Page 325: ...ow manufacturer or installer can assist in determining the amount of rear ballast required to help make sure the snow plow vehicle combination does not exceed the GVW rating the front and rear axle ra...

Page 326: ...ehicle if less cargo or fewer passengers are carried or by positioning cargo toward the rear This reduces the load on the front However the front GAWR rear GAWR and Gross Vehicle Weight Rating GVWR mu...

Page 327: ...right corner of the Certification Tire label as shown previously See your dealer for additional advice and information about using a snow plow on the vehicle Also see Vehicle Load Limits 0 200 Pickup...

Page 328: ...Axle 361 Rear Axle 362 Noise Control System 362 Starter Switch Check 363 Automatic Transmission Shift Lock Control Function Check 363 Ignition Transmission Lock Check 363 Park Brake and P Park Mechani...

Page 329: ...nd Wheels 401 Uniform Tire Quality Grading 402 Wheel Alignment and Tire Balance 403 Wheel Replacement 403 Tire Chains 404 If a Tire Goes Flat 405 Tire Changing 407 Full Size Spare Tire 418 Jump Starti...

Page 330: ...rdouswaste perchlorate Accessories and Modifications Adding non dealer accessories or making modifications to the vehicle can affect vehicle performance and safety including such things as airbags bra...

Page 331: ...rming any service work to prevent remote starting the vehicle accidentally See Remote Vehicle Start 0 25 Keep a record with all parts receipts and list the mileage and the date of any service work per...

Page 332: ...y and all tools are removed 2 Pull the hood down until the strut system is no longer holding up the hood 3 Allow the hood to fall Check to make sure the hood is latched completely Repeat this process...

Page 333: ...GMC Sierra Sierra Denali Owner Manual GMNA Localizing U S Canada Mexico 13337776 2020 CRC 8 27 19 332 Vehicle Care Engine Compartment Overview 2 7L L4 Engine L3B...

Page 334: ...0 358 4 Engine Compartment Fuse Block 0 371 5 Engine Cooling Fans Out of View See Cooling System 0 346 6 Engine Oil Fill Cap See When to Add Engine Oil under Engine Oil 0 339 7 Engine Oil Dipstick See...

Page 335: ...GMC Sierra Sierra Denali Owner Manual GMNA Localizing U S Canada Mexico 13337776 2020 CRC 8 27 19 334 Vehicle Care 4 3L V6 Engine LV3...

Page 336: ...0 358 4 Engine Compartment Fuse Block 0 371 5 Engine Cooling Fans Out of View See Cooling System 0 346 6 Engine Oil Dipstick See Checking Engine Oil under Engine Oil 0 339 7 Engine Oil Fill Cap See Wh...

Page 337: ...GMC Sierra Sierra Denali Owner Manual GMNA Localizing U S Canada Mexico 13337776 2020 CRC 8 27 19 336 Vehicle Care 5 3L V8 Engine L84 Shown 5 3L V8 Engine L82 and 6 2L V8 Engine L87 Similar...

Page 338: ...0 358 4 Engine Compartment Fuse Block 0 371 5 Engine Oil Dipstick See Checking Engine Oil under Engine Oil 0 339 6 Engine Cooling Fans Out of View See Cooling System 0 346 7 Engine Oil Fill Cap See Wh...

Page 339: ...GMC Sierra Sierra Denali Owner Manual GMNA Localizing U S Canada Mexico 13337776 2020 CRC 8 27 19 338 Vehicle Care 6 6L V8 Engine L8T...

Page 340: ...e has a diesel engine see the Duramax diesel supplement Engine Oil For diesel engine vehicles see Engine Oil in the Duramax diesel supplement To ensure proper engine performance and long life careful...

Page 341: ...f the dipstick and the engine has been off for at least 15 minutes add 1 L 1 qt of the recommended oil and then recheck the level See Selecting the Right Engine Oil later in this section for an explan...

Page 342: ...n Engine Oil Additives Engine Oil Flushes Do not add anything to the oil The recommended oils meeting the dexos1 specification are all that is needed for good performance and engine protection Engine...

Page 343: ...oper level If the system is ever reset accidentally the oil must be changed at 5 000 km 3 000 mi since the last oil change Remember to reset the oil life system whenever the oil is changed How to Rese...

Page 344: ...See Recommended Fluids and Lubricants 0 452 Change the fluid and filter at the scheduled maintenance intervals listed in Maintenance Schedule 0 441 Be sure to use the transmission fluid listed in Reco...

Page 345: ...d with the engine air filter life system see Maintenance Schedule 0 441 for intervals on inspecting and replacing the engine air cleaner filter How to Inspect Replace the Engine Air Cleaner Filter Do...

Page 346: ...ee Engine Air Filter Life System 0 343 6 6L V8 Engine L8T 1 Locate the air cleaner filter assembly See Engine Compartment Overview 0 332 2 Remove the eight screws on top of the cover of the housing th...

Page 347: ...the Duramax diesel engine see the Duramax diesel supplement The cooling system allows the engine to maintain the correct working temperature 2 7L L4 Engine L3B 4 3L V6 Engine LV3 5 3L V8 Engine L84 Sh...

Page 348: ...5 years or 240 000 km 150 000 mi whichever occurs first The following explains the cooling system and how to check and add coolant when it is low If there is a problem with engine overheating see Eng...

Page 349: ...regarding used coolant disposal This will help protect the environment and your health Checking Coolant The coolant surge tank is in the engine compartment on the driver side of the vehicle See Engin...

Page 350: ...lease At the end of the cycle check the coolant level in the surge tank and add coolant if it is low Turn off the vehicle allow the Electronic Control Module ECM to go to sleep about two minutes and r...

Page 351: ...tank add coolant 1 Remove the coolant surge tank pressure cap when the cooling system including the coolant surge tank pressure cap and upper radiator hose is no longer hot Turn the pressure cap slow...

Page 352: ...ade not to lift the hood when this warning appears get service help right away See Roadside Assistance Program 0 466 If the decision is made to lift the hood make sure the vehicle is parked on a level...

Page 353: ...dle If the temperature overheat gauge is no longer in the overheat zone or an overheat warning no longer displays the vehicle can be driven Continue to drive the vehicle slowly for about 10 minutes Ke...

Page 354: ...e fans may turn off if no cooling is required Under heavy vehicle loading trailer towing high outside temperatures or operation of the air conditioning system the fans may change to high speed and an...

Page 355: ...completely tighten it 5 Remove the cap again and look at the fluid level on the dipstick The level should be between the ADD and FULL marks If necessary add only enough fluid to bring the level up to...

Page 356: ...shield washer It can damage the windshield washer system and paint Do not mix water with ready to use washer fluid Water can cause the solution to freeze and damage the washer fluid tank and other par...

Page 357: ...ways if the wrong replacement brake parts are installed or parts are improperly installed Brake Pad Life System When to Change Brake Pads This vehicle has a system that estimates the remaining life o...

Page 358: ...e above steps but select ENABLE in Step 2 Brake Fluid The brake master cylinder reservoir is filled with GM approved DOT 4 1500 or DOT 3 2500 3500 brake fluid as indicated on the reservoir cap See Eng...

Page 359: ...result in the loss of braking leading to a possible injury Always use the proper GM approved brake fluid Caution If brake fluid is spilled on the vehicle s painted surfaces the paint finish can be da...

Page 360: ...areful See Jump Starting North America 0 419 for tips on working around a battery without getting hurt Infrequent Usage Remove the black negative cable from the battery to keep the battery from runnin...

Page 361: ...ble nut 1 2 Remove the negative battery cable clamp 2 from the negative battery post 3 Cover the negative battery cable clamp and negative battery post with a non conductive material to prevent any co...

Page 362: ...is below the bottom of the fill plug 1 hole located on the transfer case some lubricant will need to be added Add enough lubricant to raise the level to the bottom of the fill plug 1 hole Use care no...

Page 363: ...by General Motors LLC and is not limited to any particular part component or system of the vehicle manufactured by General Motors LLC Defects in design assembly or in any part component or system of...

Page 364: ...ehicle should start only in P Park or N Neutral If the vehicle starts in any other position contact your dealer for service Automatic Transmission Shift Lock Control Function Check Warning When you ar...

Page 365: ...the transmission in N Neutral slowly remove foot pressure from the regular brake pedal Do this until the vehicle is held by the parking brake only To check the P Park mechanism s holding ability With...

Page 366: ...r the Driver Assistance Systems a GM replacement windshield is recommended The replacement windshield must be installed according to GM specifications for proper alignment If it is not these systems m...

Page 367: ...ruts Also do not push down or pull on gas struts This may cause damage to the vehicle See Maintenance Schedule 0 441 Hood Trunk Liftgate Headlamp Aiming Front Headlamp Aiming Headlamp aim has been pre...

Page 368: ...or others could be injured Be sure to read and follow the instructions on the bulb package LED Lighting This vehicle has several LED lamps For replacement of any LED lighting assembly contact your de...

Page 369: ...ly See your dealer for taillamp replacement It is recommended to replace the grommets when replacing a bulb See your dealer To replace one of these bulbs 1 Open the tailgate 2 Remove the two rear lamp...

Page 370: ...lbs 2 Center High Mounted Stoplamp CHMSL Bulb To replace one of these bulbs 1 Remove the two screws and lift off the lamp assembly 2 Turn the bulb socket counterclockwise and pull it straight out 3 Pu...

Page 371: ...and will then restart Although the circuit is protected from electrical overload overload due to heavy snow or ice may cause wiper linkage damage Always clear ice and heavy snow from the windshield b...

Page 372: ...e block is in the engine compartment on the passenger side of the vehicle for 1500 and driver side of vehicle for 2500 3500 Lift the cover to access the fuse block Caution Spilling liquid on any elect...

Page 373: ...ehicle Care Fuses Usage 1 High beam left Fuses Usage 2 High beam right 3 Headlamp left Fuses Usage 4 Headlamp right 6 TIM 7 8 Fog lamp 9 VKM 10 11 Police upfitter 12 13 Washer front 14 Washer rear 15...

Page 374: ...ssion control module ignition 48 49 Transmission control module 50 A C clutch 51 Transfer case control module 52 Front wiper 53 Center high mounted stop lamp 54 Trailer reverse lamp 55 Trailer back up...

Page 375: ...odule throttle control 92 Cool fan clutch Relays Usage 5 Headlamp 18 DC AC inverter 23 Rear window defogger 35 Parking lamp 36 Run Crank 43 Second fuel pump 59 A C clutch 64 Starter Motor LD HD DSL Co...

Page 376: ...t Bolster F6 Heated and ventilated seats left right F8 Rear seat entertainment Theft deterrent F9 Passive entry Passive start Driver seat module F10 F11 Sunshade F12 Passenger power seat F13 Export po...

Page 377: ...nti theft K8 Instrument Panel Fuse Block Right The right instrument panel fuse block access door is on the passenger side edge of the instrument panel Pull off the cover to access the front of the fus...

Page 378: ...trol module 7 F11 Seat CLM F12 Body control module 3 Body control module 5 F14 Mirrors Windows module F17 Steering wheel controls F18 VPM OBS DET Fuses Usage F19 DLIS F20 Ventilated seats F21 NOT R C...

Page 379: ...module 2 F46 Heating ventilation and air conditioning Battery 1 F47 Instrument panel cluster Battery F48 Transmission control module Fuses Usage F49 Body control module 1 F50 F51 Battery 1 F52 Batter...

Page 380: ...rash could cause serious injury Check all tires frequently to maintain the recommended pressure Tire pressure should be checked when the tires are cold Overinflated tires are more likely to be cut pun...

Page 381: ...tire availability and proper tire selection Also see Buying New Tires 0 399 With winter tires there may be decreased dry road traction increased road noise and shorter tread life After changing to wi...

Page 382: ...mbers used to define a particular tire s width height aspect ratio construction type and service description See the Tire Size illustration later in this section 2 TPC Spec Tire Performance Criteria S...

Page 383: ...niform Tire Quality Grading 0 402 7 Maximum Cold Inflation Load Limit Maximum load that can be carried and the maximum pressure needed to support that load For information on recommended tire pressure...

Page 384: ...DOT Tire Date of Manufacture The last four digits of the TIN indicate the tire manufactured date The first two digits represent the week 01 52 and the last two digits the year For example the third w...

Page 385: ...f ply construction in the tire The letter R means radial ply construction the letter D means diagonal or bias ply construction 5 Rim Diameter Diameter of the wheel in inches 6 Service Description Thes...

Page 386: ...ressed in kPa kilopascal or psi pounds per square inch Accessory Weight The combined weight of optional accessories Some examples of optional accessories are automatic transmission power windows power...

Page 387: ...ranging from 1 to 279 that corresponds to the load carrying capacity of a tire Maximum Inflation Pressure The maximum air pressure to which a cold tire can be inflated The maximum air pressure is mold...

Page 388: ...called wear bars that show across the tread of a tire when only 1 6 mm 1 16 in of tread remains See When It Is Time for New Tires 0 399 UTQGS Uniform Tire Quality Grading Standards A tire information...

Page 389: ...an example of the Tire and Loading Information label see Vehicle Load Limits 0 200 How the vehicle is loaded affects vehicle handling and ride comfort Never load the vehicle with more weight than it...

Page 390: ...o the correct cold tire inflation pressure for the vehicle load Tire Pressure Monitor System The Tire Pressure Monitor System TPMS uses radio and sensor technology to check tire pressure levels The TP...

Page 391: ...from functioning properly Always check the TPMS malfunction telltale after replacing one or more tires or wheels on your vehicle to ensure that the replacement or alternate tires and wheels allow the...

Page 392: ...ect tire sealant is not covered by the vehicle warranty Always use only the GM approved tire sealant available through your dealer or included in the vehicle TPMS Malfunction Light and Message The TPM...

Page 393: ...king brake firmly 3 Place the vehicle in P Park 4 Add air to the tire that is underinflated The turn signal lamp will flash When the recommended pressure is reached the horn sounds once and the turn s...

Page 394: ...ith a road tire containing the TPMS sensor The malfunction light and the DIC message should go off at the next ignition cycle The sensors are matched to the tire wheel positions using a TPMS relearn t...

Page 395: ...tire and wheel position 8 Proceed to the passenger side front tire and repeat the procedure in Step 7 9 Proceed to the passenger side rear tire and repeat the procedure in Step 7 10 Proceed to the dr...

Page 396: ...he TTPMS displays a warning message on the DIC If the warning message is displayed stop as soon as possible and inflate the tires to the recommended pressure shown on the tire placard on the trailer I...

Page 397: ...e DIC message comes on and stays on when the trailer tire pressures have been checked and determined to be correct Tire Inspection We recommend that the tires including the spare tire if the vehicle h...

Page 398: ...ng 0 407 The outer tire on a dual wheel setup generally wears faster than the inner tire Tires last longer and wear more evenly if they are rotated See Tire Inspection 0 396 and Tire Rotation 0 396 Al...

Page 399: ...87 and Vehicle Load Limits 0 200 Check that all wheel nuts are properly tightened See Wheel Nut Torque under Capacities and Specifications 0 458 and Removing the Flat Tire and Installing the Spare Tir...

Page 400: ...d inflation pressure maintenance affect how fast aging takes place GM recommends that tires including the spare if equipped be replaced after six years regardless of tread wear To identify the age of...

Page 401: ...be adversely affected if all the tires are not replaced at the same time If proper rotation and maintenance have been done all four tires six for dual rear wheels should wear out at about the same ti...

Page 402: ...that have a tire pressure monitoring system could give an inaccurate low pressure warning if non TPC Spec rated tires are installed See Tire Pressure Monitor System 0 389 The Tire and Loading Informa...

Page 403: ...y vary with respect to these grades they must also conform to federal safety requirements and additional General Motors Tire Performance Criteria TPC standards Quality grades can be found where applic...

Page 404: ...r a tire that is properly inflated and not overloaded Excessive speed underinflation or excessive loading either separately or in combination can cause heat buildup and possible tire failure Wheel Ali...

Page 405: ...mi of driving For proper torque see Wheel Nut Torque under Capacities and Specifications 0 458 See If a Tire Goes Flat 0 405 for more information Used Replacement Wheels Warning Replacing a wheel wit...

Page 406: ...ssible with the ends securely fastened Drive slowly and follow the chain manufacturer s instructions If you can hear the chains contacting the vehicle stop and retighten them If the contact continues...

Page 407: ...ing a flat tire If a tire goes flat avoid further tire and wheel damage by driving slowly to a level place well off the road if possible Turn on the hazard warning flashers See Hazard Warning Flashers...

Page 408: ...the jack counterclockwise to lower the jack head to release the jack from its holder 2 Turn the wing nut counterclockwise to remove the wheel blocks and the wheel block retainer 3 Turn the wing nut u...

Page 409: ...tachment on the frame by unclipping it from the frame attachment bracket 4 Insert the hoist end open end 10 of the extension through the hole 9 in the rear bumper Do not use the chiseled end of the wh...

Page 410: ...pull it through the center of the wheel along with the cable and spring 8 Put the spare tire near the flat tire 9 If equipped with a spare tire cable remove the cable from the spare tire by passing t...

Page 411: ...fter they are loosened Remove the entire center cap If the wheel has a smooth center cap concealing access to the wheel nuts place the chisel end of the wheel wrench in the slot on the wheel and gentl...

Page 412: ...ower Assist Steps 0 34 Front Position 1500 Models Front Position All Other Models 4 If the flat tire is on the front of the vehicle position the jack under the bracket attached to the vehicle s frame...

Page 413: ...d or killed Never get under a vehicle when it is supported only by a jack Warning Raising the vehicle with the jack improperly positioned can damage the vehicle and even make the vehicle fall To help...

Page 414: ...is held against the hub 12 Turn the wheel wrench counterclockwise to lower the vehicle Lower the jack completely Warning If wheel studs are damaged they can break If all the studs on a wheel broke the...

Page 415: ...ation 13 Tighten the nuts firmly in a crisscross sequence as shown by turning the wheel wrench clockwise For vehicles with dual wheels have a technician check the wheel nut tightness of all wheels wit...

Page 416: ...l with the valve stem Continued Caution Continued pointing down and have the wheel tire repaired as soon as possible Caution The tire hoist can be damaged if there is no tension on the cable when usin...

Page 417: ...lve stem side of the spare tire 2 Put the tire on the ground at the rear of the vehicle with the valve stem pointed down and to the rear 3 Pull the cable and spring through the center of the wheel Til...

Page 418: ...e retainer is seated in the wheel opening 7 If equipped with a spare tire cable orient the cable by rotating the spare tire so that the cable is by the frame attachment location 8 Raise the tire fully...

Page 419: ...ctly Stored Incorrectly Stored 10 Reinstall the spare tire lock if the vehicle has one Return the jack and tools to their original location in the vehicle See Removing the Spare Tire and Tools Full Si...

Page 420: ...er installing the spare tire on the vehicle stop as soon as possible and check that the spare tire is correctly inflated Have the damaged or flat road tire repaired or replaced and installed back onto...

Page 421: ...se steps could result in costly damage to the vehicle that would not be covered by the vehicle warranty Trying to start the vehicle by pushing or pulling it will not work and it could damage the vehic...

Page 422: ...be damaged Only use a vehicle that has a 12 volt system with a negative ground for jump starting 2 If you have a vehicle with a diesel engine with two batteries you should know before you begin that e...

Page 423: ...plastic cover at the positive battery post To uncover the positive terminal open the red plastic cover For more information on the location of the remote positive and remote negative terminals see Eng...

Page 424: ...sitive terminal if the vehicle has one 9 Connect one end of the black negative cable to the negative terminal of the good battery Use a remote negative terminal if the vehicle has one Do not let the o...

Page 425: ...Neutral N do not use the tow eye to tow the vehicle Vehicle damage may occur GM recommends a flatbed tow truck to transport a disabled vehicle Use ramps to help reduce approach angles if necessary A t...

Page 426: ...ehicle can be towed Whether the vehicle has the proper towing equipment See your dealer or trailering professional for additional advice and equipment recommendations Whether the vehicle is ready to b...

Page 427: ...Position the vehicle being towed behind the tow vehicle facing forward and on a level surface 2 Securely attach the vehicle being towed to the tow vehicle 3 Start the engine 4 Shift the transfer case...

Page 428: ...KE transmitter outside of the vehicle and manually lock the doors Access the vehicle by using the key in the door lock See Door Locks 0 26 Disconnecting the Towed Vehicle Before disconnecting from the...

Page 429: ...nsmission to P Park and turn off the ignition 10 Release the parking brake and remove the wheel blocks 11 Reset any lost presets The outside temperature display will default to 0 C 32 F but will reset...

Page 430: ...n damage the vehicle s paint metal or plastic parts If damage occurs it would not be covered by the vehicle warranty Approved cleaning products can be obtained from your dealer Follow all manufacturer...

Page 431: ...on the surface they could stain 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...

Page 432: ...ve use Use a nonabrasive wax on the vehicle after washing to protect and extend the molding finish Spray In Bedliner Care Caution Using silicone based products may damage the bedliner reduce the slip...

Page 433: ...her hard items Aftermarket appearance caps or covers while the lamps are illuminated due to excessive heat generated Caution Failure to clean lamps properly can cause damage to the lamp cover that wou...

Page 434: ...ays wipe off any overspray from all painted surfaces on the vehicle Wheels and Wheel Trim Use a soft clean cloth with mild soap and water to clean the wheels After rinsing thoroughly with clean water...

Page 435: ...hood hinges liftgate hinges and the steel fuel door hinge unless the components are plastic Applying silicone grease on weatherstrips with a clean cloth will make them last longer seal better and not...

Page 436: ...and follow all safety instructions on the label While cleaning the interior open the doors and windows to get proper ventilation To prevent damage do not clean the interior using the following cleane...

Page 437: ...not drip from the cleaning cloth 3 Start on the outside edge of the soil and gently rub toward the center Fold the cleaning cloth to a clean area frequently to prevent forcing the soil in to the fabri...

Page 438: ...overs Do not use cleaners that contain silicone or wax based products Cleaners containing these solvents can permanently change the appearance and feel of leather or soft trim and are not recommended...

Page 439: ...r mats be purchased Non GM floor mats may not fit properly and may interfere with the pedals Always check that the floor mats do not interfere with the pedals Do not use a floor mat if the vehicle is...

Page 440: ...intain 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 technicians who can perform required maintenance...

Page 441: ...e and Loading Information label See Vehicle Load Limits 0 200 Are driven on reasonable road surfaces within legal driving limits Use the recommended fuel See Recommended Fuel Except 6 2L V8 Engine 0 2...

Page 442: ...E AT NEXT OIL CHANGE message displays the engine air filter should be replaced at the next engine oil change When the REPLACE ENGINE AIR FILTER SOON message displays the engine air filter should be re...

Page 443: ...filter See Engine Air Cleaner Filter 0 344 Check engine coolant level See Cooling System 0 346 Check windshield washer fluid level See Washer Fluid 0 354 Check tire inflation pressures including the s...

Page 444: ...ransmission park mechanism See Park Brake and P Park Mechanism Check 0 364 Check accelerator pedal for damage high effort or binding Replace if needed Visually inspect gas strut for signs of wear crac...

Page 445: ...0 0 mi 2 1 6 0 0 0 k m 1 3 5 0 0 0 mi 2 2 8 0 0 0 k m 1 4 2 5 0 0 mi 2 4 0 0 0 0 k m 1 5 0 0 0 0 mi Rotate tires and perform Required Services Check engine oil level and oil life percentage Change eng...

Page 446: ...0 Footnotes Maintenance Schedule Additional Required Services Normal 1 Or every two years whichever comes first More frequent replacement may be needed if the vehicle is driven in areas with heavy tra...

Page 447: ...whichever comes first Inspect for fraying excessive cracking or damage replace if needed 7 Replace brake fluid every five years See Brake Fluid 0 357 8 Or every 12 months whichever comes first See Wip...

Page 448: ...res and perform Required Services Check engine oil level and oil life percentage Change engine oil and filter if needed Check engine air filter life percentage and status Change engine air filter if n...

Page 449: ...condition 4 Do not directly power wash the transfer case and or front rear axle output seals High pressure water can overcome the seals and contaminate the fluid Contaminated fluid will decrease the...

Page 450: ...nostic equipment to test the battery and ensure that the connections and cables are corrosion free Belts Belts may need replacing if they squeak or show signs of cracking or splitting Trained dealer t...

Page 451: ...can save money and fuel and can reduce the risk of tire failure Signs that the tires need to be replaced include three or more visible treadwear indicators cord or fabric showing through the rubber cr...

Page 452: ...nicians can inspect the windshield and recommend proper replacement if needed Wiper Blades Wiper blades need to be cleaned and kept in good condition to provide a clear view Signs of wear include stre...

Page 453: ...ransmission DEXRON VI Automatic Transmission Fluid Automatic Transmission 8 Speed Transmission DEXRON HP Automatic Transmission Fluid Automatic Transmission 10 Speed Transmission DEXRON ULV Automatic...

Page 454: ...ake Fluid 0 357 Hydraulic Power Steering System 2500 3500 Series Only GM Power Steering Fluid GM Part No 19329450 in Canada 19329451 Key Lock Cylinders Hood Hinges Body Door Hinge Pins Tailgate Hinge...

Page 455: ...has a diesel engine see the Duramax diesel supplement Part GM Part Number ACDelco Part Number Engine Air Cleaner Filter With high capacity air cleaner 84121219 A3244C Without high capacity air cleaner...

Page 456: ...ing U S Canada Mexico 13337776 2020 CRC 8 27 19 Service and Maintenance 455 Part GM Part Number ACDelco Part Number 6 2L V8 12622441 41 114 6 6L V8 12622441 41 114 Wiper Blades Driver Side 55 cm 21 7...

Page 457: ...19 456 Service and Maintenance Maintenance Records After the scheduled services are performed record the date odometer reading who performed the service and the type of services performed in the boxes...

Page 458: ...on Number 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 Thi...

Page 459: ...apacities Metric English Air Conditioning Refrigerant For the air conditioning system refrigerant type and charge amount see the refrigerant label under the hood See your dealer for more information E...

Page 460: ...el Tank 1500 Series Standard and Short Box 4WD Gas and Diesel 90 8 L 24 0 gal 1500 Series Standard and Short Box 2WD Diesel 83 3 L 22 0 gal 1500 Series Long Box 106 0 L 28 0 gal 2500 Series and 3500 S...

Page 461: ...the approximate level as recommended in this manual Recheck fluid level after filling Engine cooling system capacity values are based on the entire cooling system and its components Engine Specificat...

Page 462: ...U S Canada Mexico 13337776 2020 CRC 8 27 19 Technical Data 461 Engine Drive Belt Routing If the vehicle has a diesel engine see the Duramax diesel supplement 2 7L Engine 4 3L 5 3L and 6 2L Engines 6...

Page 463: ...ording and Privacy Vehicle Data Recording and Privacy 473 Cybersecurity 474 Event Data Recorders 474 OnStar 475 Infotainment System 475 Customer Information Customer Satisfaction Procedure Your satisf...

Page 464: ...Bureau BBB Auto Line Program to enforce your rights The BBB Auto Line Program is an out of court program administered by the BBB National Programs Inc to settle automotive disputes regarding vehicle...

Page 465: ...800 207 0685 or call the General Motors Customer Care Centre 1 800 263 3777 English 1 800 263 7854 French or write to Mediation Arbitration Program c o Customer Care Centre General Motors of Canada Co...

Page 466: ...Schedule service appointments I View and print dealer recorded service records and self recorded service records D Select a dealer and view locations maps phone numbers and hours r Track your vehicle...

Page 467: ...icle is covered In Canada a person driving the vehicle without permission from the owner is not covered Roadside Assistance is not a part of the New Vehicle Limited Warranty General Motors North Ameri...

Page 468: ...very may be restricted Propane and other fuels are not provided through this service Lock Out Service Vehicle registration is required Trip Interruption Benefits and Assistance Must be over 150 km fro...

Page 469: ...e unable to do so your dealer may offer the following transportation options Shuttle Service This includes one way or round trip shuttle service within reasonable time and distance parameters of your...

Page 470: ...n help maintain the GM New Vehicle Limited Warranty Recycled original equipment parts may also be used for repair These parts are typically removed from vehicles that were total losses in prior crashe...

Page 471: ...irs If a Crash Occurs If there has been an injury call emergency services for help Do not leave the scene of a crash until all matters have been taken care of Move the vehicle only if its position put...

Page 472: ...g as the cost stays within reasonable limits Publication Ordering Information Service Manuals Service manuals have the diagnosis and repair information on the engine transmission axle suspension brake...

Page 473: ...hat 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 NHTSA in addition to notifying G...

Page 474: ...5 1908 Colonel Sam Drive Oshawa Ontario L1H 8P7 In Mexico call 01 800 466 0812 or 01 800 466 0801 In other Central America and Caribbean Countries call 52 55 5 901 23 69 Vehicle Data Recording and Pri...

Page 475: ...ny security incident impacting your data or the safe operation of your vehicle please stop operating your vehicle and contact your dealer Event Data Recorders This vehicle is equipped with an event da...

Page 476: ...lso be used for GM research needs or may be made available to others for research purposes where a need is shown and the data is not tied to a specific vehicle or vehicle owner OnStar If the vehicle i...

Page 477: ...ires the vehicle battery and electrical system cellular service and GPS satellite signals to be available and operating OnStar acts as a link to existing emergency service providers OnStar may collect...

Page 478: ...o Get help for an emergency Be a Good Samaritan or respond to an AMBER Alert Get assistance in severe weather or other crisis situations and find evacuation routes OnStar Services Emergency Emergency...

Page 479: ...Q to set up an account After change in ownership and at 90 days Transferring Service Press Q to request account transfer eligibility information The Advisor can cancel or change account information S...

Page 480: ...ess phone network congestion or jamming may prevent service See Radio Frequency Statement 0 472 Services for People with Disabilities Advisors provide services to help with physical disabilities and m...

Page 481: ...by Turn Navigation route The Advisor may give a verbal route or may ask for a call back after the vehicle is driven into an open area Cellular and GPS Antennas Cellular reception is required for OnSta...

Page 482: ...it If you have any questions call 1 888 4ONSTAR 1 888 466 7827 or press Q to speak with an Advisor Users of wireless communications are cautioned that the privacy of any information sent via wireless...

Page 483: ...Miller Sergio Monesi Keith Owens George Petrov Greg Roelofs Kai Uwe Rommel Steve Salisbury Dave Smith Steven M Schweda Christian Spieler Cosmin Truta Antoine Verheijen Paul von Behren Rich Wales Mike...

Page 484: ...also must not be misrepresented as being Info ZIP releases including but not limited to labeling of the altered versions with the names Info ZIP or any variation thereof including but not limited to...

Page 485: ...to be downloaded to the vehicle 3 Follow the voice guided commands Using Voice Commands During a Planned Route Functionality of the Voice Command button if equipped may vary by vehicle and region For...

Page 486: ...w onstar ca Canada Ensuring Security Change the default passwords for the Wi Fi hotspot and myGMC mobile application Make these passwords different from each other and use a combination of letters and...

Page 487: ...Turn the vehicle s Wi Fi hotspot on off manage settings and monitor data consumption if equipped Locate a dealer and schedule service Request roadside assistance Set a parking reminder with pin drop t...

Page 488: ...ilter Life System 343 Air Filter Passenger Compartment 183 Air Vents 182 Airbag System Check 83 How Does an Airbag Restrain 76 Passenger Sensing System 77 Airbag System cont d What Makes an Airbag Inf...

Page 489: ...t Mirrors 43 Brake Electric Boost 232 Parking Electric 233 System Warning Light 139 Brake Pad Life System 356 Brakes 355 Antilock 232 Assist 234 Fluid 357 Pad Life System 356 Braking 188 Automatic Eme...

Page 490: ...ment 126 Collision Damage Repair 469 Compartments Storage 112 Compass 120 Connected Services Connections 485 Diagnostics 486 Navigation 484 Connections Connected Services 485 Control Hill Descent 237...

Page 491: ...Climate Control System 179 E E85 or FlexFuel 282 Electric Brake Boost 232 Electric Parking Brake 233 Electric Parking Brake Light 140 Electrical Equipment Add On 322 Electrical System Engine Compartme...

Page 492: ...41 Frequency Statement Radio 472 Front Axle 361 Front Fog Lamp Light 146 Front Pedestrian Braking FPB System 272 Front Seats Adjustment 54 Heated and Ventilated 60 Fuel Additives 282 Economy Driving f...

Page 493: ...tion 389 Hill and Mountain Roads 197 Hill Descent Control HDC 237 Hill Descent Control Light 141 Hill Start Assist HSA 235 Hood 330 Horn 119 How to Wear Seat Belts Properly 65 HVAC 177 179 I Ignition...

Page 494: ...de Control 144 Electric Parking Brake 140 Electronic Stability Control ESC Off 143 Engine Coolant Temperature Warning 144 Engine Oil Pressure 145 Flash to Pass 168 Four Wheel Drive 141 Front Fog Lamp...

Page 495: ...em Tire Pressure 389 N Navigation Connected Services 484 New Vehicle Break In 208 Noise Control System 362 O Odometer 131 Trip 131 Off Road 191 Driving 191 Recovery 190 Oil Engine 339 Engine Oil Life...

Page 496: ...ing Information 471 R Radio Frequency Statement 472 Reading Lamps 173 Rear Axle 362 Locking 242 Rear Camera Mirror 45 Rear Seats 62 Heated 63 Rear Storage 113 Rear Vision Camera RVC 257 Rear Windows 4...

Page 497: ...emory 58 Power Adjustment Front 55 Rear 62 Reclining Seatbacks 56 Underseat Storage 113 Securing Child Restraints 104 107 108 Security Light 146 OnStar 478 Vehicle 36 Vehicle Alarm 36 Service 184 Acce...

Page 498: ...lgate 29 Taillamps Bulb Replacement 368 Task Lighting 171 Text Telephone TTY Users 465 Theft Deterrent Systems 37 Immobilizer 37 Time 120 Tires 379 All Season 379 All Terrain 381 Buying New Tires 399...

Page 499: ...Operation 164 Programming 161 Using This Manual 2 V Vehicle Alarm System 36 Canadian Owners 2 Control 188 Identification Number VIN 457 Load Limits 200 Messages 155 Personalization 156 Remote Start 25...

Page 500: ...GMC Sierra Sierra Denali Owner Manual GMNA Localizing U S Canada Mexico 13337776 2020 CRC 8 27 19 Index 499 Winter Driving 197 Winter Tires 380 Wiper Blade Replacement 364 Wireless Charging 122...

Page 501: ...84186890 B C M Y CM MY CY CMY K 20_GMC_Sierra_SierraDenali_COV_en_US_84186890B_2019AUG27 ai 1 8 12 2019 1 26 17 PM...

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