
Fuses Usage
24 Unlock
25 Blank
26 Blank
27 OH Battery/OnStar
®System
29 Rainsense™ Wipers
30 Parking Lamps
31 Truck Body Controller Accessory
32 Truck Body Controller 5
33 Front Wipers
34 Vehicle Stop
35 Blank
36Heat Ventilation Air
Conditioning B
37 Front Parking Lamps
38 Left Turn Signal
39 Heat Ventilation Air Conditioning 1
40 Truck Body Controller 4
41 Radio
42 Trailer Park
43 Right Turn Signal
44 Heat Ventilation Air Conditioning
Fuses Usage
45 Rear Fog Lamps
46 Auxiliary Power 1
47 Ignition 0
48 Four-Wheel Drive
49 Blank
50 Truck Body Controller Ignition
51 Brakes
52 Truck Body Controller Run
TrailBlazer EXT
5-101

Fuses Usage
01 Right Door Control Module
02 Left Door Control Module
03 Liftgate Module 2
04 Truck Body Controller 3
05 Rear Fog Lamps
06 Blank
07 Truck Body Controller 2
08 Power Seats
09 Rear Wiper
10 Driver Door Module
11 Ampli er
12 Passenger Door Module
13 Rear Climate Controls
14 Left Rear Parking Lamps
15 Blank
16Vehicle Center High-Mounted
Stop Lamp
17 Right Rear Parking Lamps
18 Locks
19 Liftgate Module/Driver Seat Module
20 Vent Window
21 Lock
22 Retained Accessory Power
23 Blank
TrailBlazer EXT
5-102

Fuses Usage
24 Unlock
25 Blank
26 Blank
27 OH Battery/OnStar
®System
28 Sunroof
29 Rainsense™ Wipers
30 Parking Lamps
31 Truck Body Controller Accessory
32 Truck Body Controller 5
33 Front Wipers
34 Vehicle Stop
35 Blank
36 Heat Ventilation Air Conditioning B
37 Front Parking Lamps
Fuses Usage
38 Left Turn Signal
39 Heat Ventilation Air Conditioning 1
40 Truck Body Controller 4
41 Radio
42 Trailer Park
43 Right Turn Signal
44 Heat Ventilation Air Conditioning
45 Rear Fog Lamps
46 Auxiliary Power 1
47 Ignition 0
48 Four-Wheel Drive
49 Blank
50 Truck Body Controller Ignition
51 Brakes
52 Truck Body Controller Run
5-103

Driving in Water..............................................4-26
Driving On Grades..........................................4-60
Driving on Off-Road Hills.................................4-19
Driving on Snow or Ice....................................4-38
Driving Through Deep Standing Water...............4-31
Driving Through Flowing Water.........................4-31
Driving Uphill..................................................4-20
Driving with a Trailer.......................................4-59
Dual Automatic Climate Control System.............3-24
Dual Climate Control System............................3-21
DVD
Rear Seat Entertainment System..................3-100
DVD Distortion..............................................3-110
DVD Messages.............................................3-110
DVD Player..................................................3-103
E
Electrical System
Add-On Equipment......................................5-92
Fuses and Circuit Breakers...........................5-93
Headlamps.................................................5-92
Power Windows and Other Power Options......5-92
Windshield Wiper Fuses...............................5-92
Emergency Release for Opening Liftgate............2-13
Emissions Inspection and Maintenance
Programs...................................................3-42Engine
Air Cleaner/Filter.........................................5-20
Battery.......................................................5-40
Change Engine Oil Light...............................3-44
Check and Service Engine Soon Light............3-40
Coolant......................................................5-23
Coolant Heater............................................2-21
Coolant Temperature Gage...........................3-39
Drive Belt Routing.......................................6-15
Engine Compartment Overview......................5-12
Exhaust.....................................................2-32
Fan Noise..................................................5-34
Oil .............................................................5-15
Overheating................................................5-26
Reduced Power Light...................................3-45
Starting......................................................2-20
Engine Compartment Fuse Block......................5-93
ENGINE COOLANT HOT/ENGINE
OVERHEATED............................................3-58
Engine Oil Additives........................................5-18
Entry Lighting.................................................3-18
Environmental Concerns..................................4-17
Erasing HomeLink
®Buttons..............................2-42
Event Data Recorders (EDR)............................. 7-9
Exit Lighting...................................................3-18
Express Down Window....................................2-15
Extender, Safety Belt.......................................1-26
Exterior Lamps...............................................3-15
5

F
Filter
Engine Air Cleaner......................................5-20
Finding a Program Type (PTY) Station
(RDS and XM™).........................3-65, 3-76, 3-89
Finding a Station............................3-63, 3-74, 3-88
Finish Care....................................................5-87
Finish Damage...............................................5-89
Fixed Mast Antenna.......................................3-116
Flash-to-Pass................................................... 3-9
Flat Tire........................................................5-67
Flat Tire, Changing.........................................5-68
Fluid
Automatic Transmission................................5-21
Power Steering...........................................5-35
Windshield Washer......................................5-36
FM Stereo....................................................3-114
Fog Lamps....................................................3-17
Following Distance..........................................4-59
Four-Wheel Drive....................................2-24, 5-46
Front Axle......................................................5-47
Front Storage Area.........................................2-44
Fuel............................................................... 5-4
Additives...................................................... 5-6
California Fuel.............................................. 5-5
Filling a Portable Fuel Container..................... 5-9
Filling Your Tank........................................... 5-7Fuel (cont.)
Fuels in Foreign Countries.............................. 5-6
Gage.........................................................3-47
Gasoline Octane........................................... 5-5
Gasoline Speci cations.................................. 5-5
Low Warning Light.......................................3-48
Fuel Information..............................................3-50
FUEL LEVEL LOW.........................................3-59
Fuses
Fuses and Circuit Breakers...........................5-93
Windshield Wiper.........................................5-92
G
Gage
Check Gages Warning Light..........................3-46
Engine Coolant Temperature.........................3-39
Fuel..........................................................3-47
Oil Pressure...............................................3-43
Speedometer..............................................3-34
Tachometer.................................................3-34
Voltmeter Gage...........................................3-37
Garage Door Opener.......................................2-39
Gasoline
Octane........................................................ 5-5
Speci cations............................................... 5-5
Gate Ajar Light...............................................3-47
Gate Operator and Canadian Programming........2-41
6

Power Steering...............................................4-10
Programmable Automatic Door Locks.................2-10
Programmable Locking Feature.........................2-10
Programmable Unlocking Feature......................2-11
Programming the HomeLink
®Transmitter...........2-39
Q
Questions and Answers About Safety Belts.........1-13
R
Radiator Pressure Cap....................................5-25
Radio Data System (RDS)...............3-62, 3-72, 3-86
Radio Messages.....................................3-67, 3-78
Radios..........................................................3-61
Care of Your Cassette Tape Player...............3-114
Care of Your CD and DVD Player................3-115
Care of Your CDs and DVDs.......................3-115
Navigation/Radio System..............................3-99
Radio Personalization.................................3-112
Radio with Cassette and CD.........................3-72
Radio with CD............................................3-62
Radio with Six-Disc CD................................3-86
Rear Seat Audio........................................3-111
Setting the Time..........................................3-61
Theft-Deterrent..........................................3-112
Understanding Reception............................3-114Rainsense™ Wipers........................................3-10
RDS Messages..............................3-66, 3-77, 3-91
Reading Lamps..............................................3-19
REAR ACCESS OPEN....................................3-59
Rear Axle......................................................5-46
Locking......................................................4-10
Rear Climate Control System............................3-28
Rear Compartment Storage Panel/Cover............2-45
Rear Door Security Locks................................2-12
Rear Floor Storage Lid....................................2-47
Rear Safety Belt Comfort Guides......................1-24
Rear Seat Audio (RSA)..................................3-111
Rear Seat Entertainment System.....................3-100
Rear Seat Operation......................................... 1-6
Rear Seat Passenger Positions.........................1-21
Rear Seat Passengers, Safety Belts..................1-21
Rear Seats (TrailBlazer EXT)............................. 1-7
Rear Storage Area..........................................2-45
Rear Underseat Fuse Block..............................5-99
Rear Window Defogger............................3-23, 3-27
Rearview Mirror, Automatic Dimming
with OnStar
®and Compass..........................2-34
Reclining Seatbacks.......................................... 1-4
Recommended Fluids and Lubricants.................6-12
Recreational Vehicle Towing.............................4-44
Reduced Engine Power Light............................3-45
Remote Control.............................................3-105
Remote Keyless Entry System............................ 2-5
Remote Keyless Entry System, Operation............ 2-6
11

When to Check Lubricant.................................5-46
When to Check Power Steering Fluid................5-35
When You Are Ready to Leave After
Parking on a Hill.........................................4-62
Where to Put the Restraint...............................1-35
Why Safety Belts Work....................................1-10
Window Lockout.............................................2-15
Windows.......................................................2-14
Power........................................................2-15
Windshield Washer.........................................3-10
Fluid..........................................................5-36
Windshield Wiper
Blade Replacement......................................5-49Windshield Wiper (cont.)
Fuses........................................................5-92
Windshield Wipers............................................ 3-9
Winter Driving................................................4-37
X
XM™ Satellite Radio Antenna System..............3-116
XM™ Satellite Radio
Service............................3-62, 3-73, 3-87, 3-114
Y
Your Vehicle and the Environment....................... 6-2
16