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2004 Chevrolet Silverado 1500 Pickup Owner's Manual - Page 79

2004 Chevrolet Silverado 1500 Pickup Manual

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Seat Position Sensors Vehicle's with dual stage air bags are also equipped with special sensors which enable the sensing system to monitor the position of both the driver and passenger front seats. The seat position sensor provides information which is used to determine if the air bags should deploy at a reduced level or at full deployment. What Makes an Air Bag Inflate? In an impact of sufficient severity, the air bag sensing system detects that the vehicle is in a crash. The sensing system triggers a release of gas from the inflator, which inflates the air bag. The inflator, air bag, and related hardware are all part of the air bag modules inside the steering wheel and in the instrument panel in front of the right front passenger. Single Stage Air Bags If your vehicle has frontal air bags with single stage deployment and your vehicle goes straight into a wall that does not move or deform, the threshold level is about 13 to 16 mph (20 to 25 km/h). The threshold level can vary, however, with specific vehicle design, so that it can be somewhat above or below this range. If your vehicle strikes something that will move or deform, such as a parked car, the threshold level will be higher. The air bag is not designed to inflate in rollovers, rear impacts, or in many side impacts because inflation would not help the occupant. How Does an Air Bag Restrain? In moderate to severe frontal or near-frontal collisions, even belted occupants can contact the steering wheel or the instrument panel. Air bags supplement the protection provided by safety belts. Air bags distribute the force of the impact more evenly over the occupant's upper body, stopping the occupant more gradually. But air bags would not help you in many types of collisions, including rollovers, rear impacts and many side impacts, primarily because an occupant's motion is not toward those air bags. Air bags should never be regarded as anything more than a supplement to safety belts, and then only in moderate to severe frontal or near-frontal collisions. 1-73

Section	Page
2004 Chevrolet Silverado Book TOC	1
Seats and Restraint Systems	7
Front Seats	9
Manual Seats	9
Power Seats	10
Power Lumbar	10
Heated Seats	11
Reclining Seatbacks	12
Head Restraints	13
Seatback Latches	14
Rear Seats	14
Rear Seat Operation (Extended Cab)	14
Rear Seat Operation (Crew Cab)	15
Safety Belts	16
Safety Belts: They Are for Everyone	16
Questions and Answers About Safety Belts	20
How to Wear Safety Belts Properly	21
Driver Position	22
Safety Belt Use During Pregnancy	29
Right Front Passenger Position	30
Center Passenger Position	30
Rear Seat Passengers	32
Rear Safety Belt Comfort Guides for Children and Small Adults	35
Safety Belt Extender	37
Child Restraints	37
Older Children	37
Infants and Young Children	40
Child Restraint Systems	44
Where to Put the Restraint	47
Top Strap	48
Top Strap Anchor Location	50
Lower Anchorages and Top Tethers for Children (LATCH System)	53
Securing a Child Restraint Designed for the LATCH System (Rear)	55
Securing a Child Restraint Designed for the LATCH System (Front)	56
Securing a Child Restraint in a Rear Outside Seat Position	60
Securing a Child Restraint in a Center Rear Seat Position	62
Securing a Child Restraint in the Center Front Seat Position	64
Securing a Child Restraint in the Right Front Seat Position (Crew Cab)	65
Securing a Child Restraint in the Right Front Seat Position (Regular and Extended Cab)	68
Air Bag Systems	74
Where Are the Air Bags?	76
When Should an Air Bag Inflate?	77
What Makes an Air Bag Inflate?	79
How Does an Air Bag Restrain?	79
What Will You See After an Air Bag Inflates?	80
Air Bag Off Switch	81
Passenger Sensing System	86
Servicing Your Air Bag-Equipped Vehicle	90
Adding Equipment to Your Air Bag-Equipped Vehicle	90
Restraint System Check	91
Checking Your Restraint Systems	91
Replacing Restraint System Parts After a Crash	92
Features and Controls	93
Keys	95
Remote Keyless Entry System	96
Remote Keyless Entry System Operation	97
Doors and Locks	99
Door Locks	99
Power Door Locks	100
Delayed Locking	101
Programmable Automatic Door Locks	102
Rear Door Security Locks (Crew Cab)	104
Lockout Protection	104
Rear Doors	105
Tailgate	105
Windows	107
Manual Windows	107
Power Windows	108
Swing-Out Windows	109
Sun Visors	109
Theft-Deterrent Systems	110
Content Theft-Deterrent	110
Passlock®	111
Starting and Operating Your Vehicle	112
New Vehicle Break-In	112
Ignition Positions	112
Starting Your Engine	114
Engine Coolant Heater	116
Automatic Transmission Operation	117
Manual Transmission Operation	121
Four-Wheel Drive	125
All-Wheel Drive	136
Parking Brake	136
Shifting Into Park (P)	138
Shifting Out of Park (P)	141
Parking Your Vehicle	141
Parking Over Things That Burn	142
Engine Exhaust	143
Running Your Engine While You Are Parked	144
Mirrors	145
Manual Rearview Mirror	145
Automatic Dimming Rearview Mirror with OnStar®, Compass and Temperature Display	145
Automatic Dimming Rearview Mirror with Compass and Temperature Display	148
Outside Manual Mirrors	151
Outside Camper-Type Mirrors	151
Outside West Coast-Type Mirrors	152
Outside Power Mirrors	152
Outside Power Camper-Type Mirror	153
Outside Power Foldaway Mirrors	153
Outside Automatic Dimming Mirror	154
Outside Curb View Assist Mirrors	154
Outside Convex Mirror	154
Outside Heated Mirrors	154
OnStar® System	155
Storage Areas	156
Glove Box	157
Cupholder(s)	157
Front Storage Area	157
Center Console Storage Area	157
Tonneau Cover	157
Vehicle Personalization	159
Memory Seat	159
Instrument Panel	161
Instrument Panel Overview	164
Hazard Warning Flashers	166
Other Warning Devices	166
Horn	166
Tilt Wheel	167
Turn Signal/Multifunction Lever	167
Exterior Lamps	174
Interior Lamps	178
Accessory Power Outlets	179
Ashtrays and Cigarette Lighter	180
Climate Controls	180
Climate Control System	180
Dual Climate Control System	182
Dual Automatic Climate Control System	185
Warning Lights, Gages and Indicators	193
Warning Lights, Gages, and Indicators	193
Instrument Panel Cluster	194
Speedometer and Odometer	195
Tachometer	195
Safety Belt Reminder Light	196
Air Bag Readiness Light	196
Air Bag Off Light	197
Passenger Air Bag Status Indicator	200
Battery Warning Light	202
Voltmeter Gage	202
Up-Shift Light	203
Brake System Warning Light	204
Anti-Lock Brake System Warning Light	205
Traction Off Light	206
Engine Coolant Temperature Gage	207
Transmission Temperature Gage	207
Malfunction Indicator Lamp	209
Oil Pressure Gage	211
Cruise Control Light	212
Four-Wheel-Drive Light	212
Tow/Haul Mode Light	213
Overdrive Disable	213
Fuel Gage	213
Low Fuel Warning Light	214
Driver Information Center (DIC)	214
DIC Operation and Displays	215
DIC Warnings and Messages	225
Audio System(s)	232
Setting the Time for Radios without Radio Data Systems (RDS)	233
Setting the Time for Radios with Radio Data Systems (RDS)	233
AM-FM Radio	234
Radio with CD	236
Radio with Cassette and CD	247
Radio with Six-Disc CD	261
Rear Seat Entertainment System	274
Rear Seat Audio (RSA)	285
Theft-Deterrent Feature	286
Audio Steering Wheel Controls	287
DVD Distortion	287
Radio Reception	288
Care of Your Cassette Tape Player	288
Care of Your CDs and DVDs	289
Care of Your CD and DVD Player	290
Cleaning the Video Screen	290
Fixed Mast Antenna	290
XM™ Satellite Radio Antenna System (48 Contiguous US States)	290
Chime Level Adjustment	290
Driving Your Vehicle	291
Your Driving, the Road, and Your Vehicle	292
Defensive Driving	292
Drunken Driving	292
Control of a Vehicle	295
Braking	296
Traction Assist System (TAS)	298
Manual Selectable Ride	301
Locking Rear Axle	302
Steering	302
QUADRASTEER™	304
Off-Road Recovery	307
Passing	307
Loss of Control	309
Off-Road Driving	310
Driving at Night	326
Driving in Rain and on Wet Roads	327
City Driving	330
Freeway Driving	331
Before Leaving on a Long Trip	332
Highway Hypnosis	333
Hill and Mountain Roads	334
Winter Driving	336
If You Are Stuck: In Sand, Mud, Ice or Snow	340
Towing	343
Towing Your Vehicle	343
Recreational Vehicle Towing	343
Loading Your Vehicle	347
Adding a Snow Plow or Similar Equipment	354
Truck-Camper Loading Information	358
Trailer Recommendations	360
Pickup Conversion to Chassis Cab	360
Towing a Trailer	361
Power Take-Off (PTO)	389
Service and Appearance Care	393
Service	395
Doing Your Own Service Work	395
Adding Equipment to the Outside of Your Vehicle	396
Fuel	396
Gasoline Octane	396
Gasoline Specifications	397
California Fuel	397
Additives	398
Fuels in Foreign Countries	399
Filling Your Tank	399
Filling a Portable Fuel Container	401
Checking Things Under the Hood	402
Hood Release	402
Engine Compartment Overview	404
Engine Oil	409
Engine Air Cleaner/Filter	414
Automatic Transmission Fluid (Except Allison Transmission®)	416
Automatic Transmission Fluid (Allison Transmission®)	419
Manual Transmission Fluid	422
Hydraulic Clutch	423
Engine Coolant	424
Coolant Surge Tank Pressure Cap	426
Engine Overheating	427
Cooling System	430
Engine Fan Noise	435
Power Steering Fluid	436
Windshield Washer Fluid	437
Brakes	439
Battery	442
Jump Starting	443
All-Wheel Drive	449
Rear Axle	450
Four-Wheel Drive	450
Noise Control System	453
Tampering with Noise Control System Prohibited	453
Bulb Replacement	454
Halogen Bulbs	454
Headlamps	455
Front Turn Signal, Sidemarker and Daytime Running Lamps	456
Roof Marker Lamps	457
Center High-Mounted Stoplamp (CHMSL) and Cargo Lamp	459
Pickup Box Identification and Fender Marker Lamps	460
Taillamps	461
Replacement Bulbs	463
Windshield Wiper Blade Replacement	464
Tires	465
Inflation - Tire Pressure	473
Dual Tire Operation	474
Tire Inspection and Rotation	475
When It Is Time for New Tires	477
Buying New Tires	478
Uniform Tire Quality Grading	479
Wheel Alignment and Tire Balance	480
Wheel Replacement	480
Tire Chains	482
If a Tire Goes Flat	483
Changing a Flat Tire	484
Spare Tire	504
Appearance Care	504
Cleaning the Inside of Your Vehicle	505
Care of Safety Belts	507
Weatherstrips	507
Cleaning the Outside of Your Vehicle	508
Sheet Metal Damage	510
Finish Damage	511
Underbody Maintenance	511
Chemical Paint Spotting	511
Vehicle Care/Appearance Materials	512
Vehicle Identification	513
Vehicle Identification Number (VIN)	513
Service Parts Identification Label	513
Electrical System	513
Add-On Electrical Equipment	513
Windshield Wiper Fuses	514
Power Windows and Other Power Options	514
Fuses and Circuit Breakers	514
Capacities and Specifications	522
Maintenance Schedule	525
Maintenance Schedule	526
Introduction	526
Maintenance Requirements	526
Your Vehicle and the Environment	526
Using Your Maintenance Schedule	527
Scheduled Maintenance	528
Additional Required Services	530
Maintenance Footnotes	532
Owner Checks and Services	533
At the First 100, 1,000 and 6,000 Miles (160, 1 600 and 10 000km)	534
At Each Fuel Fill	534
At Least Once a Month	534
At Least Once a Year	535
Recommended Fluids and Lubricants	537
Normal Maintenance Replacement Parts	540
Maintenance Record	542
Customer Assistance and Information	545
Customer Assistance and Information	546
Customer Satisfaction Procedure	546
Online Owner Center	547
Customer Assistance for Text Telephone (TTY) Users	548
Customer Assistance Offices	548
GM Mobility Program for Persons with Disabilities	549
Roadside Assistance Program	550
Courtesy Transportation	551
Vehicle Data Collection and Event Data Records	553
Reporting Safety Defects	554
Reporting Safety Defects to the United States Government	554
Reporting Safety Defects to the Canadian Government	555
Reporting Safety Defects to General Motors	555
Service Publications Ordering Information	555

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Seat Position Sensors

Vehicle’s with dual stage air bags are also equipped

with special sensors which enable the sensing system to

monitor the position of both the driver and passenger

front seats. The seat position sensor provides

information which is used to determine if the air bags

should deploy at a reduced level or at full deployment.

Single Stage Air Bags

If your vehicle has frontal air bags with single stage

deployment and your vehicle goes straight into a wall

that does not move or deform, the threshold level

is about 13 to 16 mph (20 to 25 km/h). The threshold

level can vary, however, with specific vehicle design, so

that it can be somewhat above or below this range.

If your vehicle strikes something that will move or

deform, such as a parked car, the threshold level will be

higher. The air bag is not designed to inflate in

rollovers, rear impacts, or in many side impacts because

inflation would not help the occupant.

What Makes an Air Bag Inflate?

In an impact of sufficient severity, the air bag sensing

system detects that the vehicle is in a crash. The

sensing system triggers a release of gas from the

inflator, which inflates the air bag. The inflator, air bag,

and related hardware are all part of the air bag

modules inside the steering wheel and in the instrument

panel in front of the right front passenger.

How Does an Air Bag Restrain?

In moderate to severe frontal or near-frontal collisions,

even belted occupants can contact the steering wheel or

the instrument panel. Air bags supplement the

protection provided by safety belts. Air bags distribute

the force of the impact more evenly over the occupant’s

upper body, stopping the occupant more gradually.

But air bags would not help you in many types of

collisions, including rollovers, rear impacts and many

side impacts, primarily because an occupant’s motion is

not toward those air bags. Air bags should never be

regarded as anything more than a supplement to safety

belts, and then only in moderate to severe frontal or

near-frontal collisions.

1-73