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Seats and Restraint System

............................. 1-1

Front Seats

............................................... 1-2

Restraint System Check

.............................. 1-3

Features and Controls

..................................... 2-1

Storage Areas

........................................... 2-2

Starting and Operating Your Vehicle

............. 2-3

Instrument Panel

............................................. 3-1

Climate Controls

........................................ 3-2

Warning Lights, Gages, and Indicators

.......... 3-3

Driver Information Center (DIC)

.................. 3-11

Audio System(s)

....................................... 3-13

Driving Your Vehicle

....................................... 4-1

Your Driving, the Road, and Your Vehicle

..... 4-2

Towing

..................................................... 4-2

Service and Appearance Care

.......................... 5-1

Service

..................................................... 5-2

Checking Things Under the Hood

................. 5-3

Bulb Replacement

.................................... 5-21

Electrical System

...................................... 5-22

Tires

...................................................... 5-24

Capacities and Specifications

..................... 5-42

Maintenance Schedule

..................................... 6-1

Maintenance Schedule

................................ 6-2

Index

................................................................ 1

2008 Chevrolet Tahoe and GMC Yukon Two-Mode Hybrid

M

Summary of Contents for 2008 Chevrolet Tahoe

Page 1: ...dicators 3 3 Driver Information Center DIC 3 11 Audio System s 3 13 Driving Your Vehicle 4 1 Your Driving the Road and Your Vehicle 4 2 Towing 4 2 Service and Appearance Care 5 1 Service 5 2 Checking...

Page 2: ...wo Mode Hybrid Specific Warranty This information supersedes the Hybrid Specific Warranty found in the Limited Warranty and Owner Assistance Information booklet furnished with your new vehicle For veh...

Page 3: ...ehicle Limited Warranty are not extended or altered because of this special Hybrid Component Warranty For 2008 Hybrid owners requiring more comprehensive coverage than that provided under this Hybrid...

Page 4: ...ems such as brake linings are not covered in this Hybrid warranty Maintenance As the vehicle owner you are responsible for the performance of the scheduled maintenance listed in your owner manual Main...

Page 5: ...Front Seats 1 2 Power Seats 1 2 Manual Lumbar 1 2 Manual Reclining Seatback 1 2 Restraint System Check 1 3 Replacing Restraint System Parts After a Crash 1 3 Section 1 Seats and Restraint System 1 1...

Page 6: ...front part of the seat cushion by moving the front of the control up or down Raise or lower the entire seat by moving the entire control up or down Manual Lumbar Increase or decrease lumbar support b...

Page 7: ...hicle s sensing system may command the automatic hybrid battery disconnect to open The battery will disconnect The hybrid battery will be off and the vehicle will not start The airbag readiness light...

Page 8: ...NOTES 1 4...

Page 9: ...et Alternating Current 2 2 Starting and Operating Your Vehicle 2 3 Starting Your Vehicle 2 3 Automatic Transmission Operation 2 6 Regenerative Braking 2 9 Running the Vehicle While Parked 2 10 Section...

Page 10: ...g more than 150 watts or a system fault is detected a protection circuit shuts off the power supply and the indicator light turns off To reset the circuit unplug the item and plug it back in or turn t...

Page 11: ...t seem to be shut off when you come to a complete stop However once the brake pedal is released the vehicle can move The vehicle s engine can also restart at any time Shift to PARK P and turn the igni...

Page 12: ...With your foot off the brake and the vehicle on level ground the hybrid drive motor may cause your vehicle to roll slowly forward even when the engine is in Auto Stop To be sure your vehicle will not...

Page 13: ...also has an EV mode which uses only the electric motor to move the vehicle Depending on the state of battery charge the vehicle can travel up to two miles in EV mode EV mode is unavailable when the v...

Page 14: ...ndex of vehicle s owner manual for more information CAUTION It is dangerous to get out of your vehicle if the shift lever is not fully in PARK P with the parking brake firmly set Your vehicle can roll...

Page 15: ...your warranty Be sure the engine is not running at high speed when shifting your vehicle DRIVE D This position is for normal driving It provides the best fuel economy for your vehicle If you need more...

Page 16: ...to reduce rapid upshifts and downshifts This shift stabilization feature is designed to determine before making an upshift if the engine will be able to maintain vehicle speed by analyzing things such...

Page 17: ...ge the gear range to M2 In this gear range effective engine braking will occur at speeds above 25 mph 40 km h Pushing the minus button on the shift lever will change the gear range to M1 In this gear...

Page 18: ...raulic brake system in the unlikely event of a controller problem See Warning Lights Gages and Indicators and Driver Information Center DIC in the Index of the vehicle s owner manual In the event of a...

Page 19: ...5 Brake System Warning Light 3 5 Anti lock Brake System ABS Warning Light 3 6 StabiliTrak Indicator Light 3 7 Engine Coolant Temperature Gage 3 7 Oil Pressure Gage 3 8 Oil Pressure Light 3 9 Fuel Gage...

Page 20: ...stem select the AUTO mode and the desired temperature setting The climate control system will automatically adjust the fan speed and airflow direction The climate control system continues to adjust th...

Page 21: ...ment cluster is designed to let you know at a glance how your vehicle is running You will know how fast you are going about how much fuel you have and many other things you will need to know to drive...

Page 22: ...g System Light This light will come on briefly when you turn on the ignition to ACC ACCESSORY or ON RUN but the engine is not running as a check to show you it is working It should go out once the eng...

Page 23: ...several levels of efficiency when accelerating or decelerating Brake System Warning Light With the ignition in ON RUN the brake system warning light will come on when you set the parking brake If you...

Page 24: ...arder to push or may go closer to the floor It may take longer to stop If the light is still on have the vehicle towed for service See Towing Your Vehicle on page 4 2 Anti lock Brake System ABS Warnin...

Page 25: ...to warn you if there is a problem When this warning light flashes the system is on Driving should be adjusted accordingly If it stays on when while driving there may be a problem with the StabiliTrak...

Page 26: ...n become so hot that it catches fire You or others could be burned Check your oil as soon as possible and have your vehicle serviced Notice Lack of proper engine oil maintenance may damage the engine...

Page 27: ...airs would not be covered by your warranty Always follow the maintenance schedule in this manual for changing engine oil This light will come on briefly as a check to be sure it works when the ignitio...

Page 28: ...gas station the fuel pump shuts off before the gage reads F full It takes a little more or less fuel to fill up than the fuel gage indicated For example the gage may have indicated the tank was half...

Page 29: ...icle on page 2 3 for more information DIC Warnings and Messages Warning messages are displayed on the DIC to notify the driver that the status of the vehicle has changed and that some action may be ne...

Page 30: ...our Vehicle on page 2 3 OIL PRESSURE LOW STOP ENGINE If engine oil pressure is low this message will be displayed on the DIC Stop the vehicle as soon as safely possible and do not operate it until the...

Page 31: ...chnology alone no matter how advanced can never replace your own judgment See the Navigation System manual for tips to help reduce distractions while driving To view the hybrid screen press the MENU b...

Page 32: ...NOTES 3 14...

Page 33: ...Your Driving the Road and Your Vehicle 4 2 Electric Power Steering 4 2 Towing 4 2 Towing Your Vehicle 4 2 Recreational Vehicle Towing 4 2 Towing a Trailer 4 2 Section 4 Driving Your Vehicle 4 1...

Page 34: ...st turn the steering wheel the steering controller receives a signal from sensors in the steering shaft that tells the motor to provide assistance to the steering gear However the steering wheel is st...

Page 35: ...ailer including any passengers cargo equipment and conversions The GCWR for your vehicle should not be exceeded Trailer Brakes If you are towing a trailer that is equipped with trailer brakes and you...

Page 36: ...NOTES 4 4...

Page 37: ...Power Steering Fluid 5 11 Brakes 5 11 Battery 5 14 Jump Starting 5 16 Bulb Replacement 5 21 Taillamps Turn Signal Stoplamps and Back up Lamps 5 21 Replacement Bulbs 5 22 Electrical System 5 22 Fuses...

Page 38: ...he proper knowledge and tools CAUTION You can be injured and your vehicle could be damaged if you try to do service work on a vehicle without knowing enough about it Be sure you have sufficient knowle...

Page 39: ...You should keep a record with all parts receipts and list the mileage and the date of any service work you perform See Maintenance Record in the owner manual Checking Things Under the Hood High Voltag...

Page 40: ...Engine Compartment Overview When you open the hood on your vehicle you will see 5 4...

Page 41: ...eservoir See Windshield Washer Fluid in the owner manual Index H Hybrid Auxiliary Fuse Block See Underhood Fuse Block on page 5 22 I DMCM Coolant Surge Tank Pressure Cap See Drive Motor Generator Cont...

Page 42: ...ator Control Module DMCM Cooling System In addition to your vehicle s regular cooling system your vehicle is also equipped with a cooling system for the DMCM system This system is serviced differently...

Page 43: ...g do not do anything else until it cools down The coolant level should be at or above the FULL COLD mark with the vehicle parked on a level surface If it is not you may have a leak at the DMCM cooler...

Page 44: ...g liquids from a hot cooling system can blow out and burn you badly They are under pressure and if you turn the coolant surge tank pressure cap even a little they can come out at high speed Never turn...

Page 45: ...wed Notice Attempting to fill the DMCM cooling surge tank yourself when the fluid level is empty can damage your vehicle Your vehicle must be serviced 1 Park the vehicle on a level surface and turn th...

Page 46: ...r dealer retailer until the coolant level is maintained at the FULL COLD mark This should take no longer than two minutes of hybrid cooling pump operation If you cannot keep the level at the FULL COLD...

Page 47: ...e brakes will not work well It is not a good idea to top off the brake fluid Adding brake fluid will not correct a leak If fluid is added when the linings are worn there will be too much fluid when ne...

Page 48: ...work is done on the brake hydraulic system make sure the level with the engine running is in the proper operating range B between the MIN and MAX marks What to Add When you do need brake fluid use on...

Page 49: ...e needed The sound can come and go or be heard all the time your vehicle is moving except when you are pushing on the brake pedal firmly CAUTION The brake wear warning sound means that soon the brakes...

Page 50: ...ings that are wrong for your vehicle the balance between the front and rear brakes can change for the worse The braking performance you have come to expect can change in many other ways if someone put...

Page 51: ...ur vehicle infrequently remove the 12 volt battery black negative cable from the battery This will help keep the battery from running down Extended Storage For extended storage of your vehicle remove...

Page 52: ...s with negative grounds to jump start your vehicle 2 Get the vehicles close enough so the jumper cables can reach but be sure the vehicles are not touching each other It could cause a ground connectio...

Page 53: ...battery post To uncover the remote positive terminal open the red plastic cover 5 The remote negative is a solid engine ground CAUTION An electric fan can start up even when the engine is not running...

Page 54: ...e place with water and get medical help immediately CAUTION Fans or other moving engine parts can injure you badly Keep your hands away from moving parts once the engine is running 6 Check that the ju...

Page 55: ...f the vehicle has one Do not let the other end touch anything until the next step The other end of the negative cable does not go to the dead battery It goes to a heavy unpainted metal engine part or...

Page 56: ...e Part or Remote Negative Terminal B Good Battery or Remote Positive and Remote Negative Terminals C Dead Battery or Remote Positive Terminal To disconnect the jumper cables from both vehicles 1 Disco...

Page 57: ...he taillamp assembly are disengaged from the vehicle 4 Press the release tab if bulb socket has one and turn the bulb socket counterclockwise to remove it from the taillamp assembly 5 Pull the old bul...

Page 58: ...out like the radio or cigarette lighter and use its fuse if it is the correct amperage Replace it as soon as you can Your vehicle also has a special fuse in the battery box for the 300 volt batteries...

Page 59: ...tor Generator Control Module 2 10 BECM J Case Usage FAN 1 Cooling Fan 1 TRANS PUMP Auxiliary Transmission Fluid Pump FAN 2 Cooling Fan 2 CAB HTR PMP Cab Heater Pump Relays Usage FAN LOW Cooling Fan Lo...

Page 60: ...The recommended cold tire inflation pressure shown on the label is the minimum amount of air pressure needed to support your vehicle s maximum load carrying capacity For additional information regard...

Page 61: ...ition exists TPMS sensors are mounted onto each tire and wheel assembly The TPMS sensors monitor the air pressure in the vehicle s tires and transmit the tire pressure readings to a receiver located i...

Page 62: ...ble through your dealer retailer Your vehicle when new included a factory installed Tire Sealant and Compressor Kit This kit uses a GM approved liquid tire sealant See Tire Sealant and Compressor Kit...

Page 63: ...asing or decreasing the tire s air pressure If increasing the tire s air pressure do not exceed the maximum inflation pressure indicated on the tire s sidewall To decrease air pressure out of a tire y...

Page 64: ...F 10 Set all four tires to the recommended air pressure level as indicated on the Tire and Loading Information label 11 Put the valve caps back on the valve stems Tire Inspection and Rotation Tires sh...

Page 65: ...ur Vehicle in the Index of the owner manual for an example of the label and its location on your vehicle The Tire Pressure Monitor System TPMS sensors will need to be reset after a tire rotation See T...

Page 66: ...it is contacting your vehicle and do not spin your wheels If you do find traction devices that will fit install them on the rear tires If a Tire Goes Flat Your vehicle has a tire inflator kit There is...

Page 67: ...h the tire inflator kit take your vehicle to an authorized retailer to have the tire inspected and repaired as soon as possible The tire sealant is a temporary repair only See Tire Sealant and Compres...

Page 68: ...r Pressure Gage F Air Only Hose G Sealant Air Hose Accessing the Tire Sealant and Compressor Kit The tire sealant and compressor kit is located under the storage tray which is located on the driver si...

Page 69: ...er Check the tire sealant expiration date on the sealant canister The sealant canister should be replaced before its expiration date Replacement canisters are available at your local dealer retailer S...

Page 70: ...air hose G from the side of the compressor 4 Remove the valve stem cap from the flat tire by turning it counterclockwise 5 Attach the sealant air hose G onto the tire valve stem Turn it clockwise unt...

Page 71: ...ng is slightly high while the compressor is on Turn the compressor off to get an accurate pressure reading The compressor may be turned on and off until the correct pressure is reached Notice If the r...

Page 72: ...e remove the maximum speed label from the sealant canister B 17 Place it in a highly visible location such as the inside of the upper left corner of the windshield or to the face of the radio clock Th...

Page 73: ...e vehicle The tire is too severely damaged and the tire sealant and compressor kit cannot seal the tire See Roadside Assistance Program in the owner manual If the tire pressure has not dropped more th...

Page 74: ...F onto the tire valve stem and push the lever down to secure in place 5 Remove the air compressor accessory plug C from the unit 6 Plug the air compressor accessory plug C into an accessory power outl...

Page 75: ...e reads high while the compressor is on Turn the compressor off to get an accurate reading The compressor may be turned on and off until the correct pressure is reached See Inflation Tire Pressure on...

Page 76: ...nd compressor kit or other equipment in the passenger compartment of the vehicle could cause injury In a sudden stop or collision loose equipment could strike someone Store the tire sealant and compre...

Page 77: ...etailer for the new sealant canister To install a new canister do the following 1 Align the sealant air hose with the slot in the air compressor 2 Push the sealant canister straight down and turn it c...

Page 78: ...pacities English Metric Cooling System Drive Motor Generator Control Module Cooling System 2 9 qt 2 7 L 6 0L V8 Engine Cooling System 15 5 qt 14 7 L Fuel Tank 24 5 gal 92 7 L All capacities are approx...

Page 79: ...Maintenance Schedule 6 2 Recommended Fluids and Lubricants 6 2 Engine Drive Belt Routing 6 2 Section 6 Maintenance Schedule 6 1...

Page 80: ...ual for the other fluids and lubricants recommended for the vehicle Usage Fluid Lubricant Drive Motor Generator Control Module DMCM Cooling System Always use the pre mixed 50 50 mixture of de ionized...

Page 81: ...pecifications 5 42 Chains Tire 5 30 Charging System Light 3 4 Climate Controls 3 2 Compressor Kit Tire Sealant 5 31 Coolant Engine Temperature Gage 3 7 Coolant Surge Tank Pressure Cap DMCM 5 6 Cooling...

Page 82: ...gine Coolant Temperature 3 7 Fuel 3 10 Fuel Economy 3 5 Oil Pressure 3 8 H High Voltage Devices and Wiring 5 3 I Inflation Tire Pressure 5 24 Inflator Kit Tire 5 31 Instrument Panel Cluster 3 3 Introd...

Page 83: ...5 11 R Radios Navigation Radio System 3 13 Recommended Fluids and Lubricants 6 2 Recreational Vehicle Towing 4 2 Regenerative Braking 2 9 Restraint System Check Replacing Restraint System Parts After...

Page 84: ...ion 5 28 Tire Sealant and Compressor Kit 5 31 Towing Recreational Vehicle 4 2 Towing Your Vehicle 4 2 Trailer 4 2 Transmission Automatic Fluid 5 5 Transmission Operation Automatic 2 6 U Underhood Fuse...

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