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2008 GMC Sierra 1500 Pickup Owner's Manual - Page 21

2008 GMC Sierra 1500 Pickup Manual

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Q: What is wrong with this? {CAUTION: You can be seriously hurt if your shoulder belt is too loose. In a crash, you would move forward too much, which could increase injury. The shoulder belt should ﬁt snugly against your body. A: The shoulder belt is too loose. It will not give as much protection this way. 1-17

Section	Page
2008 GMC Sierra Denali BookTOC	1
Seats and Restraint Systems	5
Front Seats	6
Power Seats	6
Power Lumbar	7
Heated Seats	8
Memory Seat, Mirrors, and Pedals	8
Reclining Seatbacks	10
Head Restraints	12
Rear Seats	13
Rear Seat Operation (Split Bench)	13
Safety Belts	14
Safety Belts: They Are for Everyone	14
How to Wear Safety Belts Properly	19
Lap-Shoulder Belt	28
Safety Belt Use During Pregnancy	33
Lap Belt	33
Safety Belt Extender	34
Child Restraints	35
Older Children	35
Infants and Young Children	38
Child Restraint Systems	41
Where to Put the Restraint	44
Lower Anchors and Tethers for Children (LATCH)	45
Securing a Child Restraint in a Rear Seat Position	52
Securing a Child Restraint in the Right Front Seat Position	54
Airbag System	58
Where Are the Airbags?	61
When Should an Airbag Inflate?	63
What Makes an Airbag Inflate?	65
How Does an Airbag Restrain?	65
What Will You See After an Airbag Inflates?	66
Passenger Sensing System	67
Servicing Your Airbag-Equipped Vehicle	72
Adding Equipment to Your Airbag-Equipped Vehicle	72
Restraint System Check	74
Checking the Restraint Systems	74
Replacing Restraint System Parts After a Crash	75
Features and Controls	77
Keys	79
Remote Keyless Entry (RKE) System	80
Remote Keyless Entry (RKE) System Operation	81
Remote Vehicle Start	84
Doors and Locks	86
Door Locks	86
Power Door Locks	87
Delayed Locking	87
Programmable Automatic Door Locks	87
Rear Door Security Locks	88
Lockout Protection	89
Rear Doors	89
Tailgate	89
Windows	91
Manual Windows	91
Power Windows	92
Sliding Rear Window	93
Power Sliding Rear Window	93
Sun Visors	94
Theft-Deterrent Systems	94
Content Theft-Deterrent	94
PASS-Key® III+	96
PASS-Key® III+ Operation	96
Starting and Operating Your Vehicle	98
New Vehicle Break-In	98
Ignition Positions	98
Retained Accessory Power (RAP)	99
Starting the Engine	100
Adjustable Throttle and Brake Pedal	101
Engine Coolant Heater	102
Automatic Transmission Operation	103
Tow/Haul Mode	107
Parking Brake	108
Shifting Into PARK (P)	109
Shifting Out of PARK (P)	110
Parking Over Things That Burn	111
Engine Exhaust	111
Running the Engine While Parked	112
Mirrors	113
Automatic Dimming Rearview Mirror with OnStar®, Compass and Temperature Display	113
Outside Power Mirrors	115
Outside Power Foldaway Mirrors	117
Object Detection Systems	119
Ultrasonic Rear Parking Assist (URPA)	119
OnStar® System	121
Universal Home Remote System	125
Universal Home Remote System	125
Universal Home Remote System Operation (With Three Round LED)	125
Storage Areas	132
Glove Box	132
Cupholder(s)	132
Instrument Panel Storage	132
Center Console Storage	133
Rear Seat Armrest	133
Cargo Management System	133
Sunroof	134
Instrument Panel	137
Instrument Panel Overview	140
Hazard Warning Flashers	142
Other Warning Devices	142
Horn	142
Tilt Wheel	142
Turn Signal/Multifunction Lever	143
Turn and Lane-Change Signals	144
Headlamp High/Low-Beam Changer	144
Flash-to-Pass	145
Windshield Wipers	145
Windshield Washer	146
Cruise Control	147
Exterior Lamps	150
Headlamps on Reminder	151
Daytime Running Lamps (DRL)	152
Automatic Headlamp System	152
Puddle Lamps	153
Fog Lamps	153
Instrument Panel Brightness	154
Dome Lamps	154
Dome Lamp Override	154
Entry Lighting	154
Exit Lighting	154
Reading Lamps	155
Cargo Lamp	155
Electric Power Management	155
Battery Run-Down Protection	156
Accessory Power Outlet(s)	156
Ashtray(s) and Cigarette Lighter	157
Climate Controls	158
Climate Control System (With Air Conditioning)	158
Climate Control System (Heater Only)	160
Dual Automatic Climate Control System	162
Outlet Adjustment	168
Warning Lights, Gages, and Indicators	169
Instrument Panel Cluster	170
Speedometer and Odometer	171
Trip Odometer	171
Tachometer	171
Safety Belt Reminders	172
Airbag Readiness Light	173
Passenger Airbag Status Indicator	174
Charging System Light	176
Voltmeter Gage	176
Brake System Warning Light	177
Antilock Brake System Warning Light	178
StabiliTrak® Indicator Light	179
Engine Coolant Temperature Gage	179
Tire Pressure Light	180
Malfunction Indicator Lamp	180
Oil Pressure Gage	184
Oil Pressure Light	185
Security Light	185
Fog Lamp Light	186
Cruise Control Light	186
Highbeam On Light	186
Tow/Haul Mode Light	186
Fuel Gage	187
Driver Information Center (DIC)	188
DIC Operation and Displays (Using DIC Buttons)	188
DIC Operation and Displays (Using Trip Odometer Reset Stem)	194
DIC Warnings and Messages	195
DIC Vehicle Customization (With DIC Buttons)	204
Audio System(s)	212
Setting the Clock	213
Radio(s) (MP3)	215
Using an MP3 (Radio with Six-Disc Player)	233
Using an MP3 (Radio with CD and DVD Player)	238
XM Radio Messages	243
Navigation/Radio System	244
Rear Seat Entertainment (RSE) System	245
Rear Seat Audio (RSA)	254
Theft-Deterrent Feature	256
Audio Steering Wheel Controls	256
Radio Reception	257
Fixed Mast Antenna	258
XM™ Satellite Radio Antenna System	258
Driving Your Vehicle	259
Your Driving, the Road, and Your Vehicle	260
Defensive Driving	260
Drunk Driving	260
Control of a Vehicle	261
Braking	261
Antilock Brake System (ABS)	262
Braking in Emergencies	263
StabiliTrak® System	263
All-Wheel Drive (AWD) System	265
Steering	266
Off-Road Recovery	268
Passing	268
Loss of Control	268
Off-Road Driving	270
Driving at Night	283
Driving in Rain and on Wet Roads	283
Before Leaving on a Long Trip	285
Highway Hypnosis	285
Hill and Mountain Roads	285
Winter Driving	286
If Your Vehicle is Stuck in Sand, Mud, Ice, or Snow	290
Rocking Your Vehicle to Get It Out	290
Recovery Hooks	291
Loading Your Vehicle	292
Truck-Camper Loading Information	298
Pickup Conversion to Chassis Cab	298
Towing	299
Towing Your Vehicle	299
Recreational Vehicle Towing	299
Towing a Trailer	299
Trailer Recommendations	312
Service and Appearance Care	313
Service	315
Accessories and Modifications	315
California Proposition 65 Warning	316
California Perchlorate Materials Requirements	316
Doing Your Own Service Work	316
Adding Equipment to the Outside of Your Vehicle	317
Fuel	317
Gasoline Octane	317
Gasoline Specifications	317
California Fuel	318
Additives	318
Fuels in Foreign Countries	319
Filling the Tank	320
Filling a Portable Fuel Container	322
Checking Things Under the Hood	322
Hood Release	323
Engine Compartment Overview	324
Engine Oil	325
Engine Oil Life System	328
Engine Air Cleaner/Filter	329
Automatic Transmission Fluid	332
Engine Coolant	335
Coolant Surge Tank Pressure Cap	338
Engine Overheating	338
Overheated Engine Protection Operating Mode	340
Cooling System	341
Engine Fan Noise	345
Power Steering Fluid	346
Windshield Washer Fluid	347
Brakes	348
Battery	351
Jump Starting	352
All-Wheel Drive	357
Rear Axle	358
Front Axle	359
Headlamp Aiming	361
Bulb Replacement	364
Halogen Bulbs	364
Headlamps	364
Front Turn Signal, Sidemarker and Daytime Running Lamps	365
Center High-Mounted Stoplamp (CHMSL) and Cargo Lamp	366
Taillamps, Turn Signal, Stoplamps and Back-up Lamps	367
License Plate Lamp	368
Replacement Bulbs	369
Windshield Wiper Blade Replacement	369
Tires	370
Tire Sidewall Labeling	371
Tire Terminology and Definitions	374
Inflation - Tire Pressure	377
Tire Pressure Monitor System	378
Tire Pressure Monitor Operation	380
Tire Inspection and Rotation	384
When It Is Time for New Tires	385
Buying New Tires	386
Different Size Tires and Wheels	388
Uniform Tire Quality Grading	388
Wheel Alignment and Tire Balance	390
Wheel Replacement	390
Tire Chains	391
If a Tire Goes Flat	392
Changing a Flat Tire	393
Removing the Spare Tire and Tools	394
Removing the Flat Tire and Installing the Spare Tire	397
Secondary Latch System	403
Storing a Flat or Spare Tire and Tools	406
Spare Tire	410
Appearance Care	410
Interior Cleaning	410
Fabric/Carpet	412
Leather	412
Instrument Panel, Vinyl, and Other Plastic Surfaces	413
Wood Panels	413
Care of Safety Belts	413
Weatherstrips	414
Washing Your Vehicle	414
Cleaning Exterior Lamps/Lenses	414
Finish Care	414
Windshield and Wiper Blades	415
Aluminum or Chrome-Plated Wheels and Trim	416
Tires	417
Sheet Metal Damage	417
Finish Damage	417
Underbody Maintenance	417
Chemical Paint Spotting	417
Vehicle Care/Appearance Materials	418
Vehicle Identification	419
Vehicle Identification Number (VIN)	419
Service Parts Identification Label	419
Electrical System	420
Add-On Electrical Equipment	420
Windshield Wiper Fuses	420
Power Windows and Other Power Options	420
Fuses and Circuit Breakers	420
Instrument Panel Fuse Block	421
Center Instrument Panel Fuse Block	423
Underhood Fuse Block	424
Capacities and Specifications	428
Maintenance Schedule	429
Maintenance Schedule	430
Introduction	430
Maintenance Requirements	430
Your Vehicle and the Environment	430
Using the Maintenance Schedule	430
Scheduled Maintenance	432
Additional Required Services	434
Maintenance Footnotes	435
Owner Checks and Services	437
At Each Fuel Fill	437
At Least Once a Month	438
At Least Once a Year	438
Recommended Fluids and Lubricants	440
Maintenance Replacement Parts	442
Engine Drive Belt Routing	443
Maintenance Record	444
Customer Assistance Information	447
Customer Assistance and Information	448
Customer Satisfaction Procedure	448
Online Owner Center	450
Customer Assistance for Text Telephone (TTY) Users	451
Customer Assistance Offices	451
GM Mobility Reimbursement Program	452
Roadside Assistance Program	452
Scheduling Service Appointments	455
Courtesy Transportation	455
Collision Damage Repair	457
Reporting Safety Defects	460
Reporting Safety Defects to the United States Government	460
Reporting Safety Defects to the Canadian Government	461
Reporting Safety Defects to General Motors	461
Service Publications Ordering Information	461
Vehicle Data Recording and Privacy	462
Event Data Recorders	463
OnStar®	464
Navigation System	464
Radio Frequency Identification (RFID)	464

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