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2008 Chevrolet Silverado 1500 Pickup Owner's Manual - Page 130

2008 Chevrolet Silverado 1500 Pickup Manual

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Grade Braking (Allison Transmission® or Hydra-Matic® 6-Speed Automatic Transmission) The Grade Braking shift modes can be activated by pressing the button on the end of the shift control lever. While in Range Selection Mode, Grade Braking is deactivated allowing the driver to select a desired range of gears. Grade Braking is only active while the Tow/Haul Mode is selected and you are not in the Range Selection Mode. See "Tow/Haul Mode listed previously and Automatic Transmission Operation on page 2-28 for more information on the Range Selection Mode. Grade Braking assists in maintaining desired vehicle speeds when driving on downhill grades by automatically implementing a shift schedule that utilizes the engine and transmission to slow the vehicle. This reduces wear on the braking system and increases control of the vehicle. Grade Braking monitors vehicle speed, acceleration, engine torque and brake pedal usage. Using this information, it detects when the truck is on a downhill grade and the driver desires to slow the vehicle by pressing the brake. See the diesel supplement for information on Cruise Grade Braking. Also see Towing a Trailer on page 4-55 for more information. Four-Wheel Drive If your vehicle has Four-Wheel Drive, you can send the engine's driving power to all four wheels for extra traction. To get the most satisfaction out of Four-Wheel Drive, you must be familiar with its operation. Read the part that follows before using Four-Wheel Drive. See the appropriate text for the transfer case in your vehicle. Notice: Driving on clean, dry pavement in Four-Wheel-Drive High or Four-Wheel-Drive Low for an extended period of time may cause premature wear on your vehicle's powertrain. Do not drive on clean, dry pavement in Four-Wheel-Drive High or Four-Wheel-Drive Low for extended periods of time. While driving on clean dry pavement and during tight turns, you may experience vibration in the steering system. Front Axle The front axle engages and disengages automatically when you shift the transfer case. Some delay for the axle to engage or disengage is normal. 2-36

Section	Page
2008 Chevrolet Silverado 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	15
Seatback Latches	16
Center Seat	16
Rear Seats	16
Rear Seat Operation (Full Bench)	16
Rear Seat Operation (Split Bench)	17
Safety Belts	18
Safety Belts: They Are for Everyone	18
How to Wear Safety Belts Properly	23
Lap-Shoulder Belt	32
Safety Belt Use During Pregnancy	37
Lap Belt (Crew and Extended Cab)	38
Safety Belt Extender	39
Child Restraints	39
Older Children	39
Infants and Young Children	43
Child Restraint Systems	46
Where to Put the Restraint	48
Lower Anchors and Tethers for Children (LATCH)	49
Securing a Child Restraint in a Rear Seat Position	58
Securing a Child Restraint in the Center Front Seat Position	61
Securing a Child Restraint in the Right Front Seat Position (With Airbag Off Switch)	61
Securing a Child Restraint in the Right Front Seat Position (With Passenger Sensing System)	66
Securing a Child Restraint in the Right Front Seat Position (Heavy Duty Crew Cab Only)	70
Airbag System	73
Where Are the Airbags?	76
When Should an Airbag Inflate?	78
What Makes an Airbag Inflate?	79
How Does an Airbag Restrain?	80
What Will You See After an Airbag Inflates?	80
Airbag Off Switch	82
Passenger Sensing System	85
Servicing Your Airbag-Equipped Vehicle	90
Adding Equipment to Your Airbag-Equipped Vehicle	90
Restraint System Check	92
Checking the Restraint Systems	92
Replacing Restraint System Parts After a Crash	93
Features and Controls	95
Keys	97
Remote Keyless Entry (RKE) System	98
Remote Keyless Entry (RKE) System Operation	99
Remote Vehicle Start	101
Doors and Locks	104
Door Locks	104
Power Door Locks	104
Delayed Locking	105
Programmable Automatic Door Locks	105
Rear Door Security Locks	105
Lockout Protection	106
Rear Doors	106
Tailgate	107
Windows	109
Manual Windows	109
Power Windows	110
Power Sliding Rear Window	111
Sun Visors	112
Theft-Deterrent Systems	112
Content Theft-Deterrent	112
PASS-Key® III+ Electronic Immobilizer	114
PASS-Key® III+ Electronic Immobilizer Operation	114
Starting and Operating Your Vehicle	116
New Vehicle Break-In	116
Ignition Positions	116
Retained Accessory Power (RAP)	118
Starting the Engine	118
Fast Idle System	119
Adjustable Throttle and Brake Pedal	120
Engine Coolant Heater	121
Active Fuel Management™	122
Automatic Transmission Operation	122
Tow/Haul Mode	128
Four-Wheel Drive	130
Parking Brake	144
Shifting Into Park	145
Shifting Out of Park	147
Parking Over Things That Burn	147
Engine Exhaust	148
Running the Vehicle While Parked	148
Mirrors	150
Manual Rearview Mirror	150
Automatic Dimming Rearview Mirrorwith OnStar®, Compass and Temperature Display	150
Automatic Dimming Rearview Mirror with Compass and Temperature Display	152
Outside Manual Mirrors	153
Outside Towing Mirrors	154
Outside Power Mirrors	155
Outside Power Foldaway Mirrors	156
Object Detection Systems	158
Ultrasonic Rear Parking Assist (URPA)	158
OnStar® System	161
Universal Home Remote System	165
Universal Home Remote System Operation (With Three Round LED)	165
Storage Areas	172
Glove Box	172
Cupholders	172
Instrument Panel Storage	172
Center Console Storage	173
Luggage Carrier	173
Rear Seat Armrest	174
Cargo Management System	174
Sunroof	176
Instrument Panel	179
Instrument Panel Overview	182
Instrument Panel Overview (Base/Uplevel version)	182
Instrument Panel Overview (Premium version)	184
Hazard Warning Flashers	186
Other Warning Devices	186
Horn	186
Tilt Wheel	186
Turn Signal/Multifunction Lever	187
Turn and Lane-Change Signals	188
Headlamp High/Low-Beam Changer	188
Flash-to-Pass	189
Windshield Wipers	189
Rainsense™ II Wipers	190
Windshield Washer	190
Cruise Control	191
Exterior Lamps	195
Headlamps on Reminder	196
Daytime Running Lamps (DRL)	196
Automatic Headlamp System	197
Puddle Lamps	198
Fog Lamps	198
Auxiliary Roof Mounted Lamp	198
Instrument Panel Brightness	199
Dome Lamps	199
Dome Lamp Override	199
Entry Lighting	199
Exit Lighting	199
Reading Lamps	200
Cargo Lamp	200
Electric Power Management	200
Battery Run-Down Protection	201
Accessory Power Outlet(s)	201
Ashtray(s) and Cigarette Lighter	202
Climate Controls	203
Climate Control System (With Air Conditioning )	203
Climate Control System (Heater Only)	206
Dual Automatic Climate Control System	207
Outlet Adjustment	213
Warning Lights, Gages, and Indicators	214
Instrument Panel Cluster	215
Speedometer and Odometer	216
Trip Odometer	216
Tachometer	216
Safety Belt Reminders	217
Airbag Readiness Light	218
Airbag Off Light	219
Passenger Airbag Status Indicator	221
Charging System Light	223
Voltmeter Gage	223
Brake System Warning Light	224
Anti-lock Brake System (ABS) Warning Light	225
StabiliTrak® Indicator Light	226
Engine Coolant Temperature Gage	226
Tire Pressure Light	227
Malfunction Indicator Lamp	227
Oil Pressure Gage	230
Oil Pressure Light	231
Security Light	231
Fog Lamp Light	231
Cruise Control Light	232
Highbeam On Light	232
Four-Wheel-Drive Light	232
Tow/Haul Mode Light	232
Fuel Gage	233
Low Fuel Warning Light	234
Driver Information Center (DIC)	234
DIC Operation and Displays (With DIC Buttons)	235
DIC Operation and Displays (Without DIC Buttons)	241
DIC Warnings and Messages	244
DIC Vehicle Customization (With DIC Buttons)	254
Audio System(s)	262
Setting the Clock	264
Radio(s)	266
Using an MP3 (Radio with CD or Six-Disc CD Player)	286
Using an MP3 (Radio with CD and DVD Player)	292
XM Radio Messages	297
Navigation/Radio System	298
Rear Seat Entertainment (RSE) System	299
Rear Seat Audio (RSA)	308
Theft-Deterrent Feature	310
Audio Steering Wheel Controls	310
Radio Reception	311
Fixed Mast Antenna	312
XM™ Satellite Radio Antenna System	312
Driving Your Vehicle	313
Your Driving, the Road, and Your Vehicle	314
Defensive Driving	314
Drunk Driving	314
Control of a Vehicle	315
Braking	315
Antilock Brake System (ABS)	316
Braking in Emergencies	317
Locking Rear Axle	317
StabiliTrak® System	318
Steering	320
Off-Road Recovery	322
Passing	323
Loss of Control	323
Off-Road Driving	324
Driving at Night	339
Driving in Rain and on Wet Roads	340
Before Leaving on a Long Trip	341
Highway Hypnosis	341
Hill and Mountain Roads	342
Winter Driving	343
If Your Vehicle is Stuck in Sand, Mud, Ice, or Snow	346
Rocking Your Vehicle to Get It Out	346
Recovery Hooks	347
Loading Your Vehicle	348
Adding a Snow Plow or Similar Equipment	355
Truck-Camper Loading Information	359
Pickup Conversion to Chassis Cab	362
Towing	362
Towing Your Vehicle	362
Recreational Vehicle Towing	362
Towing a Trailer	367
Trailer Recommendations	405
Service and Appearance Care	407
Service	410
Accessories and Modifications	410
California Proposition 65 Warning	410
California Perchlorate Materials Requirements	411
Doing Your Own Service Work	411
Adding Equipment to the Outside of Your Vehicle	411
Fuel	412
Gasoline Octane	412
Gasoline Specifications	412
California Fuel	413
Additives	413
Fuel E85 (85% Ethanol)	414
Fuels in Foreign Countries	415
Filling the Tank	416
Filling a Portable Fuel Container	418
Checking Things Under the Hood	418
Hood Release	419
Engine Compartment Overview	420
Engine Oil (Gasoline Engine)	421
Engine Oil Life System	424
Engine Air Cleaner/Filter (Gasoline Engines)	426
Automatic Transmission Fluid (6-Speed Transmission)	428
Automatic Transmission Fluid (4-Speed Transmission)	432
Engine Coolant	435
Coolant Surge Tank Pressure Cap	438
Engine Overheating	438
Overheated Engine Protection Operating Mode (V8 Engines Only)	440
Cooling System	441
Engine Fan Noise	446
Power Steering Fluid	447
Windshield Washer Fluid	448
Brakes	449
Battery	452
Jump Starting	453
Rear Axle	458
Four-Wheel Drive	460
Front Axle	462
Noise Control System	463
Tampering with Noise Control System Prohibited	463
Headlamp Aiming	464
Bulb Replacement	467
Halogen Bulbs	467
Headlamps	468
Center High-Mounted Stoplamp (CHMSL) and Cargo Lamp	469
Pickup Box Identification and Fender Marker Lamps	470
Taillamps, Turn Signal, Stoplamps and Back-up Lamps	470
License Plate Lamp	472
Replacement Bulbs	472
Windshield Wiper Blade Replacement	473
Tires	474
Tire Sidewall Labeling	475
Tire Terminology and Definitions	479
Inflation - Tire Pressure	482
Dual Tire Operation	483
Tire Pressure Monitor System	484
Tire Pressure Monitor Operation	485
Tire Inspection and Rotation	489
When It Is Time for New Tires	492
Buying New Tires	492
Different Size Tires and Wheels	494
Uniform Tire Quality Grading	495
Wheel Alignment and Tire Balance	496
Wheel Replacement	496
Tire Chains	498
If a Tire Goes Flat	499
Changing a Flat Tire	500
Removing the Spare Tire and Tools	501
Removing the Flat Tire and Installing the Spare Tire	506
Secondary Latch System	512
Storing a Flat or Spare Tire and Tools	516
Spare Tire	519
Appearance Care	520
Interior Cleaning	520
Fabric/Carpet	521
Leather	522
Instrument Panel, Vinyl, and Other Plastic Surfaces	523
Care of Safety Belts	523
Weatherstrips	523
Washing Your Vehicle	524
Cleaning Exterior Lamps/Lenses	524
Finish Care	525
Windshield and Wiper Blades	526
Aluminum or Chrome-Plated Wheels and Trim	526
Tires	527
Sheet Metal Damage	527
Finish Damage	528
Underbody Maintenance	528
Chemical Paint Spotting	528
Vehicle Care/Appearance Materials	529
Vehicle Identification	530
Vehicle Identification Number (VIN)	530
Service Parts Identification Label	530
Electrical System	531
Add-On Electrical Equipment	531
Windshield Wiper Fuses	531
Power Windows and Other Power Options	531
Fuses and Circuit Breakers	531
Instrument Panel Fuse Block	532
Center Instrument Panel Fuse Block	534
Underhood Fuse Block	535
Capacities and Specifications	539
Maintenance Schedule	543
Maintenance Schedule	544
Introduction	544
Maintenance Requirements	544
Your Vehicle and the Environment	544
Using the Maintenance Schedule	544
Scheduled Maintenance (Gasoline Engine)	546
Additional Required Services	548
Maintenance Footnotes (Gasoline Engine)	550
Owner Checks and Services	552
At the First 100, 1,000 and 6,000 Miles (160, 1 600 and 10 000 km)	552
At Each Fuel Fill	552
At Least Once a Month	553
At Least Once a Year	554
Recommended Fluids and Lubricants	556
Maintenance Replacement Parts	558
Engine Drive Belt Routing	559
Maintenance Record	560
Customer Assistance Information	563
Customer Assistance and Information	564
Customer Satisfaction Procedure	564
Online Owner Center	566
Customer Assistance for Text Telephone (TTY) Users	567
Customer Assistance Offices	567
GM Mobility Reimbursement Program	568
Roadside Assistance Program	569
Scheduling Service Appointments	571
Courtesy Transportation	571
Collision Damage Repair	573
Reporting Safety Defects	576
Reporting Safety Defects to the United States Government	576
Reporting Safety Defects to the Canadian Government	576
Reporting Safety Defects to General Motors	577
Service Publications Ordering Information	577
Vehicle Data Recording and Privacy	578
Event Data Recorders	579
OnStar®	580
Navigation System	580
Radio Frequency Identification (RFID)	580

Match case Limit results 1 per page

Grade Braking (Allison Transmission

or Hydra-Matic

6-Speed Automatic

Transmission)

The Grade Braking shift modes can be activated by

pressing the button on the end of the shift control lever.

While in Range Selection Mode, Grade Braking is

deactivated allowing the driver to select a desired

range of gears.

Grade Braking is only active while the Tow/Haul Mode is

selected and you are not in the Range Selection Mode.

See “Tow/Haul Mode listed previously and

Automatic

Transmission Operation on page 2-28

for more

information on the Range Selection Mode. Grade Braking

assists in maintaining desired vehicle speeds when

driving on downhill grades by automatically implementing

a shift schedule that utilizes the engine and transmission

to slow the vehicle. This reduces wear on the braking

system and increases control of the vehicle. Grade

Braking monitors vehicle speed, acceleration, engine

torque and brake pedal usage. Using this information,

it detects when the truck is on a downhill grade and the

driver desires to slow the vehicle by pressing the brake.

See the diesel supplement for information on Cruise

Grade Braking.

Also see

Towing a Trailer on page 4-55

for more

information.

Four-Wheel Drive

If your vehicle has Four-Wheel Drive, you can send the

engine’s driving power to all four wheels for extra traction.

To get the most satisfaction out of Four-Wheel Drive, you

must be familiar with its operation. Read the part that

follows before using Four-Wheel Drive. See the

appropriate text for the transfer case in your vehicle.

Notice:

Driving on clean, dry pavement in

Four-Wheel-Drive High or Four-Wheel-Drive Low for

an extended period of time may cause premature

wear on your vehicle’s powertrain. Do not drive on

clean, dry pavement in Four-Wheel-Drive High or

Four-Wheel-Drive Low for extended periods of time.

While driving on clean dry pavement and during tight

turns, you may experience vibration in the steering

system.

Front Axle

The front axle engages and disengages automatically

when you shift the transfer case. Some delay for

the axle to engage or disengage is normal.

2-36