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2008 Chevrolet Tahoe Owner's Manual - Page 431

2008 Chevrolet Tahoe Manual

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(A) Light Truck (LT-Metric) Tire: The United States version of a metric tire sizing system. The letters LT as the first two characters in the tire size means a light truck tire engineered to standards set by the U.S. Tire and Rim Association. (B) Tire Width: The three-digit number indicates the tire section width in millimeters from sidewall to sidewall. (C) Aspect Ratio: A two-digit number that indicates the tire height-to-width measurements. For example, if the tire size aspect ratio is 75, as shown in item C of the light truck (LT-Metric) tire illustration, it would mean that the tire's sidewall is 75 percent as high as it is wide. (D) Construction Code: A letter code is used to indicate the type of ply construction in the tire. The letter R means radial ply construction; the letter D means diagonal or bias ply construction; and the letter B means belted-bias ply construction. (E) Rim Diameter: Diameter of the wheel in inches. (F) Service Description: The service description indicates the load range and speed rating of a tire. The load index can range from 1 to 279. Speed ratings range from A to Z. Tire Terminology and Definitions Air Pressure: The amount of air inside the tire pressing outward on each square inch of the tire. Air pressure is expressed in pounds per square inch (psi) or kilopascal (kPa). Accessory Weight: This means the combined weight of optional accessories. Some examples of optional accessories are, automatic transmission, power steering, power brakes, power windows, power seats, and air conditioning. Aspect Ratio: The relationship of a tire's height to its width. Belt: A rubber coated layer of cords that is located between the plies and the tread. Cords may be made from steel or other reinforcing materials. Bead: The tire bead contains steel wires wrapped by steel cords that hold the tire onto the rim. Bias Ply Tire: A pneumatic tire in which the plies are laid at alternate angles less than 90 degrees to the centerline of the tread. Cold Tire Pressure: The amount of air pressure in a tire, measured in pounds per square inch (psi) or kilopascals (kPa) before a tire has built up heat from driving. See Inflation - Tire Pressure on page 5-70. 5-67

Section	Page
2008 Chevrolet Tahoe, Suburban BookTOC	1
Seats and Restraint Systems	5
Front Seats	6
Manual Seats	6
Power Seats	7
Manual Lumbar	8
Power Lumbar	8
Heated Seats	9
Memory Seat, Mirrors, and Pedals	10
Reclining Seatbacks	12
Head Restraints	14
Center Seat	15
Rear Seats	15
Heated Seats	15
	60
Child Restraint Systems	61
Where to Put the Restraint	64
Lower Anchors and Tethers for Children (LATCH)	65
Securing a Child Restraint in a Rear Seat Position	74
Securing a Child Restraint in the Center Front Seat Position	76
Securing a Child Restraint in the Right Front Seat Position	76
Airbag System	80
Where Are the Airbags?	83
When Should an Airbag Inflate?	86
What Makes an Airbag Inflate?	87
How Does an Airbag Restrain?	88
What Will You See After an Airbag Inflates?	88
Passenger Sensing System	90
Servicing Your Airbag-Equipped Vehicle	94
Adding Equipment to Your Airbag-Equipped Vehicle	95
Restraint System Check	96
Checking the Restraint Systems	96
Replacing Restraint System Parts After a Crash	97
Features and Controls	99
Keys	101
Remote Keyless Entry (RKE) System	102
Remote Keyless Entry (RKE) System Operation	103
Remote Vehicle Start	106
Doors and Locks	108
Door Locks	108
Power Door Locks	109
Delayed Locking	109
Programmable Automatic Door Locks	109
Rear Door Security Locks	110
Lockout Protection	110
Liftgate/Liftglass	111
Power Liftgate	113
Power Running Boards	116
Windows	117
Power Windows	118
Sun Visors	119
Theft-Deterrent Systems	120
Content Theft-Deterrent	120
PASS-Key® III+	122
PASS-Key® III+ Operation	122
Starting and Operating Your Vehicle	124
New Vehicle Break-In	124
Ignition Positions	124
Retained Accessory Power (RAP)	125
Starting the Engine	126
Adjustable Throttle and Brake Pedal	127
Engine Coolant Heater	128
Active Fuel Management™	129
Automatic Transmission Operation	129
Tow/Haul Mode	135
Four-Wheel Drive	136
Parking Brake	141
Shifting Into PARK (P)	142
Shifting Out of PARK (P)	144
Parking Over Things That Burn	144
Engine Exhaust	145
Running the Engine While Parked	146
Mirrors	147
Automatic Dimming Rearview Mirror with OnStar®, Compass and Temperature Display	147
Automatic Dimming Rearview Mirror with Compass and Temperature Display	150
Outside Manual Mirrors	152
Outside Trailer-Tow Mirrors	152
Outside Power Mirrors	153
Outside Power Foldaway Mirrors	154
Outside Automatic Dimming Mirror	155
Park Tilt Mirrors	155
Outside Convex Mirror	155
Outside Heated Mirrors	155
Object Detection Systems	156
Ultrasonic Rear Parking Assist (URPA)	156
OnStar® System	158
Universal Home Remote System	162
Universal Home Remote System Operation (With Three Round LED)	162
Storage Areas	169
Glove Box	169
Cupholder(s)	169
Center Console Storage	169
Luggage Carrier	170
Rear Storage Area	171
Rear Seat Armrest	171
Cargo Cover	171
Sunroof	172
Instrument Panel	175
Instrument Panel Overview	178
Hazard Warning Flashers	180
Other Warning Devices	180
Horn	180
Tilt Wheel	180
Turn Signal/Multifunction Lever	181
Turn and Lane-Change Signals	182
Headlamp High/Low-Beam Changer	183
Flash-to-Pass	183
Windshield Wipers	183
Rainsense™ II Wipers	184
Windshield Washer	185
Rear Window Wiper/Washer	186
Cruise Control	186
Exterior Lamps	190
Headlamps on Reminder	191
Daytime Running Lamps (DRL)	191
Automatic Headlamp System	192
Fog Lamps	192
Auxiliary Roof Mounted Lamp	193
Instrument Panel Brightness	193
Dome Lamps	194
Dome Lamp Override	194
Entry Lighting	194
Exit Lighting	194
Reading Lamps	194
Electric Power Management	195
Battery Run-Down Protection	195
Accessory Power Outlet(s)	196
Ashtray(s) and Cigarette Lighter	197
Climate Controls	197
Climate Control System	197
Dual Automatic Climate Control System	200
Outlet Adjustment	207
Rear Air Conditioning and Heating System	207
Rear Air Conditioning and Heating System and Electronic Climate Controls	209
Warning Lights, Gages, and Indicators	211
Instrument Panel Cluster	212
Speedometer and Odometer	213
Trip Odometer	213
Tachometer	213
Safety Belt Reminders	213
Airbag Readiness Light	214
Passenger Airbag Status Indicator	215
Charging System Light	217
Voltmeter Gage	218
Brake System Warning Light	219
Antilock Brake System Warning Light	220
StabiliTrak® Indicator Light	220
Engine Coolant Temperature Gage	221
Tire Pressure Light	221
Malfunction Indicator Lamp	222
Oil Pressure Gage	225
Oil Pressure Light	226
Security Light	226
Fog Lamp Light	227
Cruise Control Light	227
Highbeam On Light	227
Tow/Haul Mode Light	227
Fuel Gage	228
Low Fuel Warning Light	229
Driver Information Center (DIC)	229
DIC Operation and Displays (With DIC Buttons)	230
DIC Operation and Displays (Without DIC Buttons)	236
DIC Warnings and Messages	239
DIC Vehicle Customization (With DIC Buttons)	247
Audio System(s)	256
Setting the Clock	257
Radio(s) (MP3)	259
Using an MP3 (Radio with CD or Six-Disc CD Player)	276
Using an MP3 (Radio with CD and DVD Player)	280
XM Radio Messages	285
Navigation/Radio System	286
Rear Seat Entertainment (RSE) System	287
Rear Seat Audio (RSA)	296
Theft-Deterrent Feature	298
Audio Steering Wheel Controls	298
Radio Reception	299
Rear Side Window Antenna	300
XM™ Satellite Radio Antenna System	300
Driving Your Vehicle	301
Your Driving, the Road, and Your Vehicle	302
Defensive Driving	302
Drunk Driving	302
Control of a Vehicle	303
Braking	304
Antilock Brake System (ABS)	305
Braking in Emergencies	306
Locking Rear Axle	306
StabiliTrak® System	306
Steering	309
Off-Road Recovery	311
Passing	311
Loss of Control	311
Off-Road Driving	313
Driving at Night	326
Driving in Rain and on Wet Roads	326
Before Leaving on a Long Trip	328
Highway Hypnosis	328
Hill and Mountain Roads	328
Winter Driving	330
If Your Vehicle is Stuck in Sand, Mud, Ice, or Snow	333
Rocking Your Vehicle to Get It Out	334
Recovery Hooks	334
Loading Your Vehicle	335
Adding a Snow Plow or Similar Equipment	341
Towing	345
Towing Your Vehicle	345
Recreational Vehicle Towing	345
Level Control	348
Autoride®	349
Towing a Trailer	349
Trailer Recommendations	363
Service and Appearance Care	365
Service	367
Accessories and Modifications	367
California Proposition 65 Warning	367
California Perchlorate Materials Requirements	368
Doing Your Own Service Work	368
Adding Equipment to the Outside of Your Vehicle	369
Fuel	369
Gasoline Octane	369
Gasoline Specifications	369
California Fuel	370
Additives	370
Fuel E85 (85% Ethanol)	371
Fuels in Foreign Countries	372
Filling the Tank	373
Filling a Portable Fuel Container	375
Checking Things Under the Hood	376
Hood Release	376
Engine Compartment Overview	378
Engine Oil	379
Engine Oil Life System	382
Engine Air Cleaner/Filter	383
Automatic Transmission Fluid (4-Speed Transmission)	386
Automatic Transmission Fluid (6-Speed Transmission)	388
Engine Coolant	392
Coolant Surge Tank Pressure Cap	395
Engine Overheating	395
Overheated Engine Protection Operating Mode	397
Cooling System	398
Engine Fan Noise	403
Power Steering Fluid	403
Windshield Washer Fluid	404
Brakes	406
Battery	409
Jump Starting	410
Rear Axle	415
Four-Wheel Drive	416
Front Axle	417
Headlamp Aiming	419
Bulb Replacement	422
Halogen Bulbs	422
Taillamps, Turn Signal, Stoplamps and Back-up Lamps	422
License Plate Lamp	424
Replacement Bulbs	424
Windshield Wiper Blade Replacement	425
Tires	427
Tire Sidewall Labeling	428
Tire Terminology and Definitions	431
Inflation - Tire Pressure	434
Tire Pressure Monitor System	435
Tire Pressure Monitor Operation	437
Tire Inspection and Rotation	439
When It Is Time for New Tires	441
Buying New Tires	442
Different Size Tires and Wheels	444
Uniform Tire Quality Grading	444
Wheel Alignment and Tire Balance	446
Wheel Replacement	446
Tire Chains	448
If a Tire Goes Flat	449
Changing a Flat Tire	450
Removing the Spare Tire and Tools	451
Removing the Flat Tire and Installing the Spare Tire	456
Secondary Latch System	462
Storing a Flat or Spare Tire and Tools	466
Spare Tire	470
Appearance Care	470
Interior Cleaning	470
Fabric/Carpet	472
Leather	472
Instrument Panel, Vinyl, and Other Plastic Surfaces	473
Care of Safety Belts	473
Weatherstrips	473
Washing Your Vehicle	474
Cleaning Exterior Lamps/Lenses	474
Finish Care	474
Windshield, Backglass, and Wiper Blades	475
Aluminum or Chrome-Plated Wheels and Trim	476
Tires	477
Sheet Metal Damage	477
Finish Damage	477
Underbody Maintenance	477
Chemical Paint Spotting	478
Vehicle Care/Appearance Materials	478
Vehicle Identification	479
Vehicle Identification Number (VIN)	479
Service Parts Identification Label	480
Electrical System	480
Add-On Electrical Equipment	480
Windshield Wiper Fuses	481
Power Windows and Other Power Options	481
Fuses and Circuit Breakers	481
Instrument Panel Fuse Block	482
Center Instrument Panel Fuse Block	483
Underhood Fuse Block	484
Capacities and Specifications	488
Maintenance Schedule	491
Maintenance Schedule	492
Introduction	492
Maintenance Requirements	492
Your Vehicle and the Environment	492
Using the Maintenance Schedule	492
Scheduled Maintenance	494
Additional Required Services	496
Maintenance Footnotes	497
Owner Checks and Services	499
At Each Fuel Fill	499
At Least Once a Month	500
At Least Once a Year	500
Recommended Fluids and Lubricants	503
Maintenance Replacement Parts	505
Engine Drive Belt Routing	506
Maintenance Record	507
Customer Assistance Information	511
Customer Assistance and Information	512
Customer Satisfaction Procedure	512
Online Owner Center	514
Customer Assistance for Text Telephone (TTY) Users	515
Customer Assistance Offices	515
GM Mobility Reimbursement Program	516
Roadside Assistance Program	517
Scheduling Service Appointments	519
Courtesy Transportation	519
Collision Damage Repair	521
Reporting Safety Defects	524
Reporting Safety Defects to the United States Government	524
Reporting Safety Defects to the Canadian Government	524
Reporting Safety Defects to General Motors	524
Service Publications Ordering Information	525
Vehicle Data Recording and Privacy	526
Event Data Recorders	526
OnStar®	527
Navigation System	527
Radio Frequency Identification (RFID)	527

Match case Limit results 1 per page

(A) Light Truck (LT-Metric) Tire

The United

States version of a metric tire sizing system. The

letters LT as the first two characters in the tire size

means a light truck tire engineered to standards set

by the U.S. Tire and Rim Association.

(B) Tire Width

The three-digit number indicates

the tire section width in millimeters from sidewall

to sidewall.

A two-digit number that

indicates the tire height-to-width measurements.

For example, if the tire size aspect ratio is 75, as

shown in item C of the light truck (LT-Metric) tire

illustration, it would mean that the tire’s sidewall is

75 percent as high as it is wide.

(D) Construction Code

A letter code is used to

indicate the type of ply construction in the tire.

The letter R means radial ply construction; the

letter D means diagonal or bias ply construction;

and the letter B means belted-bias ply construction.

(E) Rim Diameter

Diameter of the wheel in

inches.

(F) Service Description

The service description

indicates the load range and speed rating of a

tire. The load index can range from 1 to 279.

Speed ratings range from A to Z.

Tire Terminology and Definitions

Air Pressure

The amount of air inside the tire

pressing outward on each square inch of the tire.

Air pressure is expressed in pounds per square

inch (psi) or kilopascal (kPa).

Accessory Weight

This means the combined

weight of optional accessories. Some examples of

optional accessories are, automatic transmission,

power steering, power brakes, power windows,

power seats, and air conditioning.

Aspect Ratio

The relationship of a tire’s height

to its width.

Belt

A rubber coated layer of cords that is

located between the plies and the tread. Cords

may be made from steel or other reinforcing

materials.

Bead

The tire bead contains steel wires wrapped

by steel cords that hold the tire onto the rim.

Bias Ply Tire

A pneumatic tire in which the plies

are laid at alternate angles less than 90 degrees

to the centerline of the tread.

Cold Tire Pressure

The amount of air pressure

in a tire, measured in pounds per square inch (psi)

or kilopascals (kPa) before a tire has built up

heat from driving. See

Inflation - Tire Pressure

on page 5-70

5-67