
Center High-Mounted Stoplamp
(CHMSL)
1. Remove the lens retaining screws.
2. Remove the lens.3. Remove the bulb.
4. Install a new bulb.
5. Reinstall the lens and tighten the screws.
If equipment such as a cap or camper is installed on
your vehicle, a center high-mounted stoplamp feed wire
is provided along the driver's side rear frame. This
wire should be used to install a center high-mounted
stoplamp in the cap or camper.
5-58

Taillamps
1. Open the tailgate.
2. Remove the screws
from the lamp
assembly near the
tailgate latch.
3. Pull the assembly away from the pickup side panel.
4. Turn the socket counterclockwise to remove it.
Push the tab in while you turn the socket.
5. Pull the bulb out.
6. Push the new bulb into the socket.
7. Put the socket into the assembly and turn the
socket clockwise until it locks in place.
8. Reinstall the assembly. Install and tighten the
screws.
9. Close the tailgate.
Replacement Bulbs
Exterior Lamp Bulb Number
Halogen Headlamps
Composite Low-Beam
Composite High-Beam9006 HB4 or
9006 LL
9005 HB3
Tail and Stoplamps 3057
Rear Sidemarker Lamps 194
Front Sidemarker Lamps 194NA
Front Turn Signal Lamps 3457A
Center High±Mounted Stoplamp 211±2
*For replacement bulbs not listed here, please consult
your dealer.
5-59

Audio System(s) (cont.)
Automatic Headlamp System............................3-12
Automatic Transmission Check..........................6-28
Automatic Transmission Shift Lock Control
System Check.............................................6-29
Automatic Transmission...................................2-22
Fluid..........................................................5-22
Operation...................................................2-25
B
Backing Up....................................................4-61
Battery Replacement......................................... 2-7
Battery Rundown Protection.............................3-17
Battery..........................................................5-45
Bed Rails......................................................2-50
Before Leaving on a Long Trip.........................4-35
Before You Go Off-Roading..............................4-15
Body Lubrication Service..................................6-28
Brake Adjustment............................................5-45
Brake Fluid....................................................5-41
Brake Pedal Travel.........................................5-44
Brake Wear...................................................5-44
Brake............................................................2-32
Parking......................................................2-32
System Inspection.......................................6-32
System Warning Light..................................3-31
Brakes..........................................................5-41
Braking in Emergencies..................................... 4-9Braking........................................................... 4-6
Break-In, New Vehicle.....................................2-19
Bulb Replacement...........................................5-54
Center High-Mounted Stoplamp (CHMSL)........5-58
Halogen Bulbs............................................5-54
Headlamps.................................................5-54
One-Piece Front Turn Signal Lamps...............5-56
Replacement Bulbs......................................5-59
Taillamps....................................................5-59
Two-Piece Front Turn Signal Lamps...............5-57
Buying New Tires...........................................5-66
C
California Fuel.................................................. 5-5
Canada ± Customer Assistance.......................... 7-4
Canadian Owners................................................ ii
Canadian Roadside Assistance........................... 7-7
Capacities and Speci®cations............................5-99
Carbon Monoxide...................4-38, 4-54, 2-13, 2-37
Care of.........................................................5-86
Safety Belts................................................5-86
Your Cassette Tape Player............................3-75
Your CD Player...........................................3-76
Your CDs ...................................................3-76
Cassette Tape Messages.................................3-60
Cassette Tape Player Service...........................6-26
Center High-Mounted Stoplamp (CHMSL)...........5-58
Center Passenger Position, Safety Belts.............1-23
2

Front Axle......................................................5-53
Front Map Lamps...........................................3-16
Front Storage Area.........................................2-48
Fuel............................................................... 5-4
Additives...................................................... 5-6
California Fuel.............................................. 5-5
Filling a Portable Fuel Container..................... 5-9
Filling Your Tank........................................... 5-7
Fuels in Foreign Countries.............................. 5-6
Gage.........................................................3-38
Gasoline Octane........................................... 5-4
Gasoline Speci®cations.................................. 5-5
Low Warning Light.......................................3-39
System Inspection.......................................6-32
Fuses...........................................................5-93
Fuses and Circuit Breakers...........................5-93
Windshield Wiper.........................................5-93
G
Gage............................................................3-38
Check Gages Warning Light..........................3-38
Engine Coolant Temperature.........................3-32
Fuel..........................................................3-38
Oil Pressure...............................................3-36
Speedometer..............................................3-25
Tachometer.................................................3-26
Voltmeter Gage...........................................3-30Gage (cont.)
Garment Hooks..............................................2-49
Gasoline......................................................... 5-4
Octane........................................................ 5-4
Speci®cations............................................... 5-5
Getting Familiar with Off-Road Driving................4-17
Glove Box.....................................................2-41
GM Mobility Program for Persons with
Disabilities.................................................... 7-5
H
Hazard Warning Flashers................................... 3-4
Head Restraints............................................... 1-7
Headlamp High/Low-Beam Changer.................... 3-7
Headlamps....................................................5-54
Bulb Replacement.......................................5-54
Electrical System.........................................5-93
Halogen Bulbs............................................5-54
One-Piece Front Turn Signal Lamps...............5-56
Two-Piece Front Turn Signal Lamps...............5-57
Heated Seats................................................... 1-5
Heating.........................................................3-19
Highway Hypnosis...........................................4-36
Hill and Mountain Roads..................................4-36
Hitches..........................................................4-59
Hood............................................................5-10
Checking Things Under................................5-10
6

Playing a Cassette Tape..................................3-58
Playing a Compact Disc..................3-50, 3-60, 3-68
Playing a Speci®c Loaded
Compact Disc.............................................3-70
Playing the Radio...................3-41, 3-44, 3-52, 3-62
Power Steering................................................ 4-9
Power...........................................................3-17
Accessory Outlets........................................3-17
Door Locks.................................................. 2-9
Electrical System.........................................5-93
Lumbar Controls........................................... 1-5
Seat............................................................ 1-4
Steering Fluid.............................................5-39
Windows....................................................2-15
Programmable Automatic Door Locks.................. 2-9
Q
Questions and Answers About Safety Belts.........1-15
R
Radiator Pressure Cap....................................5-29
Radio Messages.............................3-44, 3-50, 3-58
Radios..........................................................3-40
AM-FM Radio.............................................3-41
Care of Your Cassette Tape Player................3-75
Care of Your CD Player...............................3-76
Care of Your CDs........................................3-76Radios (cont.)
Radio with Cassette and CD.........................3-52
Radio with CD............................................3-44
Radio with Six-Disc CD................................3-62
Setting the Time for Radios with Radio Data
Systems (RDS)........................................3-41
Setting the Time for Radios without Radio
Data Systems (RDS)................................3-40
Theft-Deterrent............................................3-74
Understanding Reception..............................3-74
RDS Messages..............................3-49, 3-57, 3-67
Rear Axle......................................................5-51
Locking........................................................ 4-9
Rear Door Security Locks................................2-11
Rear Seat Operation......................................... 1-9
Rear Seat Outside Passenger Positions.............1-26
Rear Seat Passengers, Safety Belts..........1-25, 1-26
Rearview Mirror, Automatic Dimming..................2-39
Rearview Mirrors.............................................2-39
Reclining Seatbacks.......................................... 1-6
Recreational Vehicle Towing.............................4-44
Regular Cab and Extended Cab Models.............1-61
Remote Keyless Entry System, Operation............ 2-6
Remote Keyless Entry System............................ 2-5
Removing the Flat Tire and Installing the
Spare Tire..................................................5-76
Removing the Spare Tire and Tools...................5-73
Removing Wheel Covers..................................5-75
Replacement Bulbs.........................................5-59
Replacing Brake System Parts..........................5-45
11