Page 399 of 452
Fuses Usage
1Electrically-Controlled Air
Suspension
2Passenger’s Side High-Beam
Headlamp
3Passenger’s Side Low-Beam
Headlamp
4 Back-Up-Trailer Lamps
5 Driver’s Side High-Beam Headlamp
6 Driver’s Side Low-Beam Headlamp
7 Rear Window Washer
8 Automatic Transfer Case
9 Windshield Washer
10 Powertrain Control Module B
11 Fog Lamps
12 Stoplamp
13 Cigarette Lighter
14 Ignition Coils
15 Electric Adjustable PedalFuses Usage
16 Truck Body Controller, Ignition 1
17 Crank
18 Airbag
19 Trailer Electric Brake
20 Cooling Fan
21 Horn
22 Ignition E
23 Electronic Throttle Control
24Instrument Panel Cluster, Driver
Information Center
25 Automatic Shift Lock Control System
26 Engine 1
27 Back-Up
28 Powertrain Control Module 1
29 Oxygen Sensor
30 Air Conditioning
31 Truck Body Controller
5-95
Page 400 of 452
Fuses Usage
32 Trailer
33 Anti-lock Brakes (ABS)
34 Ignition A
35 Blower Motor
36 Ignition B
50 Passenger’s Side Trailer Turn
51 Driver’s Side Trailer Turn
52 Hazard Flashers
53 Headlamp Driver Module
54 Air Injection Reactor (AIR) Solenoid
56 Air Injection Reactor (AIR) Pump
Relays Usage
37 Blank or Headlamp Washer
38 Rear Window WasherFuses Usage
39 Fog Lamps
40 Horn
41 Fuel Pump
42 Windshield Washer
43 High-Beam Headlamp
44 Air Conditioning
45 Cooling Fan
46 Headlamp Driver Module
47 Starter
49 Electric Adjustable Pedal
55 Air Injection Reactor (AIR) Solenoid
Miscellaneous Usage
48 Instrument Panel Battery
5-96
Page 402 of 452

Fuses Usage
1Electrically-Controlled Air
Suspension
2Passenger’s Side High-Beam
Headlamp
3Passenger’s Side Low-Beam
Headlamp
4 Back-Up-Trailer Lamps
5 Driver’s Side High-Beam Headlamp
6 Driver’s Side Low-Beam Headlamp
7 Rear Window Washer
8 Automatic Transfer Case
9 Windshield Washer
10 Powertrain Control Module B
11 Fog Lamps
12 Stoplamp
13 Cigarette Lighter
14 Ignition Coils
15 Canister Vent
16 Truck Body Controller, Ignition 1
17 Crank
18 Airbag
19 Trailer Electric Brake
20 Cooling Fan
21 HornFuses Usage
22 Ignition E
23 Electronic Throttle Control
24Instrument Panel Cluster, Driver
Information Center
25 Automatic Shift Lock Control System
26 Engine 1
27 Back-Up
28 Powertrain Control Module 1
29 Powertrain
30 Air Conditioning
31 Injector Bank A
32 Trailer
33 Anti-lock Brakes (ABS)
34 Ignition A
35 Blower Motor
36 Ignition B
50 Passenger’s Side Trailer Turn
51 Driver’s Side Trailer Turn
52 Hazard Flashers
53 Transmission
54 Oxygen Sensor Bank B
55 Oxygen Sensor Bank A
56 Injector Bank B
57 Headlamp Driver Module
5-98
Page 444 of 452

Fuses
Engine Compartment Fuse Block...................5-93
Fuses and Circuit Breakers...........................5-93
Rear Underseat Fuse Block..........................5-99
Windshield Wiper.........................................5-92
G
Gage
Check Gages Warning Light..........................3-41
Engine Coolant Temperature.........................3-34
Fuel..........................................................3-42
Oil Pressure...............................................3-38
Speedometer..............................................3-27
Tachometer.................................................3-27
Voltmeter Gage...........................................3-32
Garage Door Opener.......................................2-42
Gasoline
Octane........................................................ 5-5
Speci cations............................................... 5-5
Gate Ajar Light...............................................3-41
Glove Box.....................................................2-46
GM Mobility Reimbursement Program.................. 7-5
H
Hazard Warning Flashers................................... 3-6
Head Restraints............................................... 1-5Headlamps....................................................3-14
Automatic Headlamp System.........................3-15
Bulb Replacement.......................................5-48
Daytime Running Lamps...............................3-14
Electrical System.........................................5-92
Flash-to-Pass............................................... 3-8
Halogen Bulbs............................................5-48
Headlamps, Front Turn Signal, Sidemarker,
and Parking Lamps..................................5-49
High/Low Beam Changer................................ 3-8
Heated Seats................................................... 1-3
Heater...........................................................3-19
Highbeam On Light.........................................3-40
Highway Hypnosis...........................................4-35
Hill and Mountain Roads..................................4-36
HomeLink
®Transmitter....................................2-42
HomeLink®Transmitter, Programming................2-43
Hood
Checking Things Under................................5-10
Release.....................................................5-10
Horn............................................................... 3-6
How to Use This Manual...................................... ii
How to Wear Safety Belts Properly...................1-12
I
Ignition Positions.............................................2-19
Infants and Young Children, Restraints...............1-28
In ation -- Tire Pressure..................................5-59
6
Page 445 of 452

Instrument Panel
Brightness..................................................3-16
Cluster.......................................................3-26
Overview..................................................... 3-4
J
Jump Starting.................................................5-41
K
Keyless Entry System....................................... 2-4
Keys............................................................... 2-3
L
Labelling, Tire Sidewall....................................5-54
Lamps
Battery Run-Down Protection.........................3-18
Dome........................................................3-16
Dome Lamp Override...................................3-17
Fog ...........................................................3-16
Reading.....................................................3-17LATCH System
Child Restraints...........................................1-38
Securing a Child Restraint Designed for the
LATCH System........................................1-40
Liftgate/Liftglass..............................................2-13
Liftglass/Liftgate..............................................2-13
Light
Airbag Readiness........................................3-29
Anti-Lock Brake System Warning...................3-34
Brake System Warning.................................3-32
Change Engine Oil......................................3-39
Charging System.........................................3-31
Check Gages Warning.................................3-41
Check Gas Cap..........................................3-42
Cruise Control.............................................3-40
Gate Ajar...................................................3-41
Highbeam On.............................................3-40
Low Fuel Warning.......................................3-42
Malfunction Indicator....................................3-35
Passenger Airbag Status Indicator..................3-30
Reduced Engine Power................................3-40
Safety Belt Reminder...................................3-28
Security.....................................................3-39
Service All-Wheel-Drive................................3-41
Lighting
Entry.........................................................3-17
Exit...........................................................3-17
7