2003 CHEVROLET BLAZER trailer

90,000 Miles (150 000 km)
qChange engine oil and ®lter (or every 12 months,
whichever occurs ®rst).An Emission Control
Service.
qLubricate chassis components (or every 12 months,
whichever occurs ®rst).(See footnote #.)
qCheck rear/front axle ¯uid level and add ¯uid as
needed. Check constant velocity joints and axle seals
for leaking.
(See footnote **.)
qChange automatic transmission ¯uid and ®lter if the
vehicle is mainly driven under one or more of these
conditions:
þ In heavy city traffic where the outside
temperature regularly reaches 90ÉF (32ÉC) or
higher.
þ In hilly or mountainous terrain.
þ When doing frequent trailer towing.
þ Uses such as found in taxi, police or delivery
service.
If you do not use your vehicle under any of these
conditions, change the ¯uid and ®lter every 50,000 miles
(83 000 km).
qReplace fuel ®lter.An Emission Control Service. (See
footnote ².)
qReplace engine air cleaner ®lter. SeeEngine Air
Cleaner/Filter on page 5-15for more information.An Emission Control Service.
qRotate tires. SeeTire Inspection and Rotation on
page 5-56for proper rotation pattern and additional
information.(See footnote +.)
97,500 Miles (162 500 km)
qChange engine oil and ®lter (or every 12 months,
whichever occurs ®rst).An Emission Control
Service.
qLubricate chassis components (or every 12 months,
whichever occurs ®rst).(See footnote #.)
qCheck rear/front axle ¯uid level and add ¯uid as
needed. Check constant velocity joints and axle seals
for leaking.
(See footnote **.)
qRotate tires. SeeTire Inspection and Rotation on
page 5-56for proper rotation pattern and additional
information.(See footnote +.)
6-24

Driving On Grades..........................................4-62
Driving on Off-Road Hills.................................4-19
Driving on Snow or Ice....................................4-38
Driving Through Deep Standing Water...............4-32
Driving Through Flowing Water.........................4-32
Driving Uphill..................................................4-20
Driving with a Trailer.......................................4-60
Driving..........................................................4-28
At Night.....................................................4-28
City...........................................................4-33
Defensive..................................................... 4-3
Drunken....................................................... 4-4
Environment................................................. 4-3
Freeway.....................................................4-34
Hill and Mountain Roads..............................4-36
In Rain and on Wet Roads...........................4-30
Winter........................................................4-38
E
Electrical System............................................5-84
Add-On Equipment......................................5-84
Fuses and Circuit Breakers...........................5-85
Headlamps.................................................5-84
Power Windows and Other Power Options......5-85
Windshield Wiper Fuses...............................5-85
Electronic Transfer Case..................................2-29
Emergency Release for Opening Tailgate...........2-15Emissions Inspection and Maintenance
Programs...................................................3-32
Engine Compartment Fuse Block......................5-88
Engine Coolant Level Check.............................6-26
Engine Oil Additives........................................5-14
Engine Oil Level Check...................................6-26
Engine..........................................................5-15
Air Cleaner/Filter.........................................5-15
Battery.......................................................5-40
Check and Service Engine Soon Light............3-30
Compartment Overview................................5-10
Coolant Heater............................................2-22
Coolant Temperature Gage...........................3-29
Coolant......................................................5-22
Cooling System Inspection............................6-31
Exhaust.....................................................2-39
Fan Noise..................................................5-34
Oil .............................................................5-11
Overheating................................................5-25
Starting......................................................2-21
Entry Lighting.................................................3-14
Environmental Concerns..................................4-17
Erasing HomeLink
žButtons..............................2-47
Exit Lighting...................................................3-14
Express Down Window....................................2-12
Extender, Safety Belt.......................................1-31
Exterior Lamps...............................................3-11
5

Gate Operator and Canadian Programming........2-47
Getting Familiar with Off-Road Driving................4-17
Glove Box.....................................................2-48
GM Mobility Program for Persons with
Disabilities.................................................... 7-6
H
Hazard Warning Flashers................................... 3-3
Head Restraints............................................... 1-7
Headlamp High/Low-Beam Changer.................... 3-6
Headlamps....................................................5-48
Bulb Replacement.......................................5-47
Electrical System.........................................5-84
Halogen Bulbs............................................5-47
One-Piece Front Turn Signal Lamps...............5-50
Two-Piece Front Turn Signal Lamps...............5-50
Heated Seats................................................... 1-5
Heating.........................................................3-18
Highway Hypnosis...........................................4-36
Hill and Mountain Roads..................................4-36
Hitches..........................................................4-59
HomeLink Transmitter, Programming..................2-45
HomeLink
žTransmitter....................................2-44
Hood.............................................................. 5-8
Checking Things Under.................................. 5-8
Release....................................................... 5-9
Horn............................................................... 3-4How to Add Coolant to the Coolant
Recovery Tank............................................5-29
How to Add Coolant to the Radiator..................5-31
How to Add Fluid....................................5-19, 5-21
How to Check and Add Fluid............................5-22
How to Check Lubricant..........................5-45, 5-46
How to Check Power Steering Fluid..................5-35
How to Check................................5-17, 5-20, 5-56
How to Inspect the Engine Air
Cleaner/Filter..............................................5-16
How to Use This Manual...................................... ii
How to Wear Safety Belts Properly...................1-14
Hydraulic Clutch System Check........................6-28
Hydraulic Clutch.............................................5-21
Hydroplaning..................................................4-31
I
If No Steam Is Coming From Your Engine..........5-26
If Steam Is Coming From Your Engine...............5-26
If the Light Is Flashing.....................................3-31
If the Light Is On Steady.................................3-31
If You Are Stuck in Sand, Mud, Ice or Snow.......4-42
If You Decide To Pull A Trailer..........................4-55
If You're Caught in a Blizzard...........................4-40
Ignition Positions.............................................2-19
Ignition Transmission Lock Check......................6-29
Infants and Young Children, Restraints...............1-34
In¯ation -- Tire Pressure..................................5-55
7

Maintenance Schedule (cont.)
Using Your................................................... 6-4
Your Vehicle and the Environment................... 6-2
Maintenance When Trailer Towing.....................4-64
Making Turns.................................................4-61
Malfunction Indicator Light................................3-30
Manual Lumbar Controls.................................... 1-4
Manual Seats................................................... 1-2
Manual Transmission Check.............................6-28
Manual Transmission.......................................2-21
Fluid..........................................................5-20
Operation...................................................2-27
Matching Transmitter(s) to Your Vehicle............... 2-6
Memory Seat.................................................2-61
Mexico, Central America and Caribbean Islands/
Countries (Except Puerto Rico and U.S. Virgin
Islands) ± Customer Assistance....................... 7-5
Mirrors..........................................................2-41
Automatic Dimming Rearview........................2-41
Manual Rearview Mirror................................2-41
Outside Automatic Dimming Mirror.................2-43
Outside Convex Mirror.................................2-43
Outside Heated Mirrors................................2-43
Outside Manual Mirror..................................2-42
Outside Power Mirrors..................................2-42
Model Reference................................................ vi
MyGMLink.com................................................ 7-4N
New Vehicle Break-In......................................2-19
Normal Maintenance Replacement Parts............5-92
O
Odometer, Trip...............................................3-24
Odometer......................................................3-24
Off-Road Recovery..........................................4-12
Oil ................................................................5-11
Engine.......................................................5-11
Pressure Gage............................................3-33
Older Children, Restraints................................1-32
Online Owner Center........................................ 7-4
Operating Your All-Wheel-Drive Vehicle Off
Paved Roads..............................................4-15
Other Warning Devices...................................... 3-4
Outlet Adjustment............................................3-20
Outside.........................................................2-43
Automatic Dimming Mirror.............................2-43
Convex Mirror.............................................2-43
Heated Mirrors............................................2-43
Manual Mirror.............................................2-42
Power Mirrors.............................................2-42
Overhead Console..........................................2-48
Overseas ± Customer Assistance........................ 7-5
Owners, Canadian............................................... ii
Owner's Information........................................7-12
10

Tow/Haul Mode...............................................2-26
Towing..........................................................4-45
Recreational Vehicle.....................................4-45
Towing a Trailer..........................................4-54
Your Vehicle...............................................4-45
Trailer Brakes.................................................4-60
Trailer Wiring Harness.....................................4-65
Transfer Case and Front Axle (Four-Wheel Drive)
Inspection...................................................6-32
Transfer Case................................................5-45
Transmission Operation, Automatic....................2-23
Transmission Operation, Manual........................2-27
Transmission, Transaxle, Transfer Case Unit
Repair Manual............................................7-11
Transmission..................................................5-17
Fluid, Automatic...........................................5-17
Fluid, Manual..............................................5-20
Up-Shift Light..............................................3-27
Transportation Options...................................... 7-8
Traveling to Remote Areas...............................4-17
Trip Odometer................................................3-24
Turn and Lane-Change Signals.......................... 3-5
Turn Signal/Multifunction Lever........................... 3-5
Turn Signals When Towing a Trailer..................4-62
U
Underbody Flushing Service.............................6-30
Understanding Radio Reception........................3-69Uniform Tire Quality Grading............................5-59
United States ± Customer Assistance.................. 7-5
Up-Shift Light.................................................2-28
Used Replacement Wheels..............................5-61
Using HomeLink
ž...........................................2-47
Using RDS....................................3-43, 3-51, 3-60
Using Song List Mode.....................................3-66
Using the Recovery Hooks...............................4-43
V
Vehicle Identi®cation........................................5-83
Number (VIN).............................................5-83
Service Parts Identi®cation Label...................5-84
Vehicle Personalization....................................2-61
Memory Seat..............................................2-61
Vehicle Storage..............................................5-40
Vehicle............................................................ 4-7
Control........................................................ 4-7
Damage Warnings........................................... iv
Design......................................................... 4-3
Loading......................................................4-52
Parking Your...............................................2-38
Symbols......................................................... iv
Ventilation Adjustment......................................3-20
Visors...........................................................2-16
Voltmeter Gage..............................................3-27
15

W
Warning Lights, Gages and Indicators................3-21
Warnings......................................................... 3-3
Hazard Warning Flashers............................... 3-3
Other Warning Devices.................................. 3-4
Safety and Symbols......................................... iii
Vehicle Damage.............................................. iv
Washing Your Vehicle......................................5-79
Weatherstrip Lubrication...................................6-27
Weight of the Trailer Tongue.............................4-58
Weight of the Trailer........................................4-56
What Kind of Engine Oil to Use........................5-13
What to Add..................................................5-38
What to Do with Used Oil................................5-15
What to Use..................5-23, 5-35, 5-36, 5-45, 5-47
Wheels and Tires............................................5-91
Wheels..........................................................5-60
Alignment and Tire Balance..........................5-60
Replacement...............................................5-60
When to Add Engine Oil..................................5-12
When to Change Engine Oil.............................5-14
When to Check and Change Lubricant.......5-45, 5-46
When to Check and Change............................5-17
When to Check and What to Use.....................5-21
When to Check Power Steering Fluid................5-35
When to Check......................................5-20, 5-56
When to Inspect the Engine Air
Cleaner/Filter..............................................5-16When You Are Ready to Leave After
Parking on a Hill.........................................4-64
Where to Put the Restraint...............................1-41
Why Safety Belts Work....................................1-10
Window Lockout.............................................2-12
Windows.......................................................2-11
Power........................................................2-12
Rear Window..............................................2-13
Swing-Out Windows.....................................2-13
Windshield Washer Fluid Level Check................6-26
Windshield Washer.........................................5-36
Fluid..........................................................5-36
Windshield Wiper............................................5-52
Blade Replacement......................................5-52
Fuses........................................................5-85
Windshield Wipers............................................ 3-6
Winter Driving................................................4-38
Wiper Blade Check.........................................6-27
Y
Your Driving, the Road, and Your Vehicle............. 4-2
Your Vehicle and the Environment....................... 6-2
16