Page 464 of 580
Roof Marker Lamps
To replace a roof marker lamp bulb, do the following:
1. Remove the two screws
and lift off the lens.
2. Remove the six screws on the center roof
marker lamps.
3. Turn the old bulb counterclockwise to remove it
from the socket.
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4. Put a new bulb into
the socket and turn
clockwise until it locks
in place.
5. Reinstall the lens and tighten the screws.
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Center High-Mounted Stoplamp
(CHMSL) and Cargo Lamp
To replace a center high-mounted stoplamp (CHMSL)
bulb, do the following:
1. Remove the screws and lift off the lamp assembly.A. Cargo Lamps
B. Center High-Mounted Stoplamp Bulbs
2. Remove the back plate from the assembly by
pressing the release tabs.
3. Remove the CHMSL bulb by pulling the bulb
straight out from the holder back plate.
Remove a cargo bulb by turning the socket
counterclockwise and pulling the bulb straight out.
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4. If a CHMSL bulb is replaced, put the new bulb into
the socket and press it in until it is tight.
If a cargo lamp is replaced, put a new cargo lamp
bulb into the socket and press it in until it is
tight before turning the socket counterclockwise.
5. Reinstall the back plate into the lamp assembly.
6. Reinstall the lamp assembly and tighten the screws.
Pickup Box Identi cation and
Fender Marker Lamps
To replace a pickup box identi cation or fender marker
lamp bulb, do the following:
1. Remove the screws and lamp assembly.
2. Unplug the lamp assembly harness.
3. Gently pry the individual lamp from the lamp
assembly.
4. Unplug the lamp.
5. Plug in a new lamp and snap it into the assembly.
6. Reinstall the lamp assembly.
Taillamps
To replace one of these bulbs, do the following:
1. Open the tailgate.Tailgate on page 2-15for more
information.
2. Remove the two rear
lamp assembly screws
near the tailgate
latch and pull out the
lamp assembly.
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3. Determine which of the following taillamp assembly
applies to your vehicle.
A. Stoplamp/Taillamp
B. Turn Signal
C. Back-up LampA. Stoplamp/Taillamp
B. Turn Signal Lamp
C. Back-up Lamp
D. Sidemarker Lamp
4. Press the release tab, if equipped, and turn the
bulb socket counterclockwise to remove it from
the taillamp assembly.
5. Pull the old bulb straight out from the socket.
6. Press a new bulb into the socket and turn the socket
clockwise into the taillamp assembly.
7. Reinstall the taillamp assembly.
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Taillamps (Chassis Cab Models)
A. Turn Signal Lamp
B. Taillamp/Stoplamp
C. Back-up Lamp
To replace one of these bulbs for chassis cab models,
do the following:
1. Peel the rubber seal away from the lens using
your hands.
2. Lift the lens off the lamp assembly.
3. Pull the old bulb straight out from the socket.
4. Install a new bulb into the socket and press it in
until it is tight.
5. Reinstall the lens and the lens seal.
Replacement Bulbs
Exterior Lamp Bulb Number
Back-up Lamp 3157
Back-up Lamp* 1156
Cargo Lamp 912
Center High-Mounted Stoplamp
(CHMSL)912
Daytime Running Lamps (DRL) 4114K
Fender Marker Lamps 194
Front Parking and Turn Lamp 3457A
Front Roof Marker Lamps 194
Headlamps
High-Beam 9005
Low-Beam 9006
Rear Marker Lamp, Taillamp and
Stoplamp*3157
Rear Turn Signal Lamp 3157
Rear Turn Signal Lamp* 1156
Sidemarker Lamp (If Equipped) 194
Stoplamp and Taillamp* 1157
* Chassis Cab Models
For replacement bulbs not listed here, contact your
dealer.
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Audio System(s) (cont.)
Chime Level Adjustment.............................3-127
Fixed Mast Antenna...................................3-127
Radio with Cassette and CD.........................3-83
Radio with CD............................................3-73
Radio with Six-Disc CD................................3-98
Rear Seat Audio (RSA)...............................3-122
Setting the Time for Radios with Radio
Data Systems (RDS)................................3-70
Setting the Time for Radios without Radio
Data Systems (RDS)................................3-69
Theft-Deterrent Feature...............................3-124
Understanding Radio Reception...................3-125
XM™ Satellite Radio Antenna System...........3-127
Automatic Headlamp System............................3-15
Automatic Transmission
Fluid..................................................5-27, 5-30
Operation...................................................2-26
Auxiliary Roof Mounted Lamp Switch.................3-17
BBattery..........................................................5-51
Battery Warning Light......................................3-38
Before Leaving on a Long Trip.........................4-40
Brake
Anti-Lock Brake System (ABS)........................ 4-7
Emergencies................................................ 4-8
Parking......................................................2-51
System Warning Light..................................3-40Brakes..........................................................5-48
Braking........................................................... 4-6
Braking in Emergencies..................................... 4-8
Break-In, New Vehicle.....................................2-21
Bulb Replacement...........................................5-62
Center High-Mounted Stoplamp (CHMSL)
and Cargo Lamp......................................5-68
Front Turn Signal, Sidemarker and Daytime
Running Lamps........................................5-64
Halogen Bulbs............................................5-62
Headlamps.................................................5-63
Pickup Box Identi cation and Fender
Marker Lamps.........................................5-69
Replacement Bulbs......................................5-71
Roof Marker Lamps.....................................5-66
Taillamps....................................................5-69
Buying New Tires...........................................5-84
CCalifornia Fuel.................................................. 5-6
Canadian Owners................................................ ii
Capacities and Speci cations..........................5-133
Carbon Monoxide...................2-15, 2-56, 4-44, 4-69
Care of
Safety Belts..............................................5-116
Your Cassette Tape Player..........................3-125
Your CD and DVD Player...........................3-127
Your CDs and DVDs ..................................3-126
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Front Reading Lamps......................................3-18
Front Storage Area.........................................2-75
Fuel............................................................... 5-5
Additives...................................................... 5-7
California Fuel.............................................. 5-6
E85 (85% Ethanol)........................................ 5-8
Filling a Portable Fuel Container....................5-12
Filling Your Tank..........................................5-10
Fuels in Foreign Countries.............................. 5-9
Gage .........................................................3-49
Gasoline Octane........................................... 5-6
Gasoline Speci cations.................................. 5-6
Low Warning Light.......................................3-49
Fuses
Center Instrument Panel Fuse Block.............5-126
Fuses and Circuit Breakers.........................5-123
Instrument Panel Fuse Block.......................5-124
Underhood Fuse Block...............................5-127
Windshield Wiper.......................................5-123
GGage
Engine Coolant Temperature.........................3-42
Fuel..........................................................3-49
Oil Pressure...............................................3-46
Speedometer..............................................3-33
Tachometer.................................................3-33
Transmission Temperature.............................3-42
Voltmeter Gage...........................................3-39Garage Door Opener.......................................2-70
Gasoline
Octane........................................................ 5-6
Speci cations............................................... 5-6
Glove Box.....................................................2-75
GM Mobility Reimbursement Program.................. 7-5
H
Hazard Warning Flashers................................... 3-6
Head Restraints............................................... 1-7
Headlamps............................................3-13, 5-63
Automatic Headlamp System.........................3-15
Bulb Replacement.......................................5-62
Daytime Running Lamps...............................3-14
Flash-to-Pass............................................... 3-9
Front Turn Signal, Sidemarker and Daytime
Running Lamps........................................5-64
Halogen Bulbs............................................5-62
High/Low Beam Changer................................ 3-8
On Reminder..............................................3-14
Pickup Box Identi cation and Fender
Marker Lamps.........................................5-69
Roof Marker Lamps.....................................5-66
Heated Seats................................................... 1-5
Heater...................................................3-20, 3-22
Heater...........................................................3-24
Highbeam On Light.........................................3-48
Highway Hypnosis...........................................4-41
6