2004 CHEVROLET EXPRESS CARGO VAN ECU

3. Pull the wheel toward the rear of the vehicle,
keeping the cable tight.
4. With the UP side facing you, attach the ratchet to
the wheel wrench.5. Put the at end of the wheel wrench on an angle
through the hole in the rear door frame, above the
bumper.
6. Raise the tire fully against the underside of the
vehicle. Continue turning the ratchet until the tire
is secure and the cable is tight. The spare tire hoist
cannot be overtightened.
7. Make sure the tire is stored securely. Push, pull,
and then try to rotate or turn the tire. If the tire
moves, use the ratchet to tighten the cable.
You will hear two clicks when the tire is up all the way.
Return the jacking equipment to the proper location.
Secure the items and replace the jack cover.
5-91

Engine Coolant Level Check
Check the engine coolant level and add
DEX-COOL®coolant mixture if necessary. SeeEngine
Coolant on page 5-22for further details.
Windshield Washer Fluid Level Check
Check the windshield washer uid level in the windshield
washer tank and add the proper uid if necessary.
At Least Once a Month
Tire Ination Check
Visually inspect your tires and make sure tires are
inated to the correct pressures. Do not forget to check
your spare tire. SeeTires on page 5-58for further
details. Check to make sure the spare tire is stored
securely. Push, pull and then try to rotate or turn
the spare tire. If it moves, tighten it. SeeChanging a
Flat Tire on page 5-76.
At Least Once a Year
Starter Switch Check
{CAUTION:
When you are doing this inspection, the
vehicle could move suddenly. If the vehicle
moves, you or others could be injured.
1. Before you start, be sure you have enough room
around the vehicle.
2. Firmly apply both the parking brake and the regular
brake. SeeParking Brake on page 2-26if
necessary.
Do not use the accelerator pedal, and be ready to
turn off the engine immediately if it starts.
3. Try to start the engine in each gear. The starter
should work only in PARK (P) or NEUTRAL (N).
If the starter works in any other position, contact
your GM Goodwrench dealer for service.
6-10

GM Mobility Program for Persons
with Disabilities
This program, available to
qualied applicants, can
reimburse you up to $1,000
toward eligible aftermarket
driver or passenger
adaptive equipment you
may require for your vehicle
(hand controls, wheelchair/
scooter lifts, etc.).
This program can also provide you with free resource
information, such as area driver assessment centers and
mobility equipment installers. The offer is available for
a limited period of time from the date of vehicle
purchase/lease. For more details, or to determine your
vehicle’s eligibility, see your GM dealer or call the
GM Mobility Assistance Center at 1-800-323-9935. Text
telephone (TTY) users, call 1-800-833-9935.
GM of Canada also has a Mobility Program. Call
1-800-GM-DRIVE (463-7483) for details. All TTY users
call 1-800-263-3830.
Roadside Assistance Program
Security While You Travel
1-800-CHEV-USA (243-8872)
As the proud owner of a new Chevrolet vehicle, you are
automatically enrolled in the Chevrolet Roadside
Assistance program. This value-added service is
intended to provide you with peace of mind as you drive
in the city or travel the open road. Chevrolet’s Roadside
Assistance toll-free number is staffed by courteous
and capable Roadside Assistance Representatives who
are available 24 hours a day, 365 days a year.
We will provide the following services during the
Bumper-to-Bumper warranty period, at no expense
to you:
Fuel Delivery:Delivery of enough fuel
($5 maximum) for the customer to get to the
nearest service station.
Lock-out Service (identication required):
Replacement keys or locksmith service will
be covered at no charge if you are unable to gain
entry into your vehicle. Delivery of the replacement
key will be covered within 10 miles.
7-6

Emergency Tow:Tow to the nearest dealership for
warranty service or in the event of a
vehicle-disabling accident. Assistance when the
vehicle is mired in sand, mud or snow.
Flat Tire Change:Installation of a spare tire will be
covered at no charge. (The customer is responsible
for the repair or replacement of the tire if not
covered by a warrantable failure.)
Jump Start:No-start occurrences which require a
battery jump start will be covered at no charge.
Dealer Locator Service
In many instances, mechanical failures are covered
under Chevrolet’s Bumper-to-Bumper warranty.
However, when other services are utilized, our Roadside
Assistance Representatives will explain any payment
obligations you might incur.
For prompt and efficient assistance when calling, please
provide the following to the Roadside Assistance
Representative:
Your name, home address, and home telephone
number
Telephone number of your location
Location of the vehicle
Model, year, color, and license plate number
Mileage, Vehicle Identication Number and delivery
date of the vehicle
Description of the problem
While we hope you never have the occasion to use our
service, it is added security while traveling for you
and your family. Remember, we are only a phone call
away. Chevrolet Roadside Assistance:
1-800-CHEV-USA (1-800-234-8872), text telephone
(TTY) users, call 1-888-889-2438.
Chevrolet reserves the right to limit services or
reimbursement to an owner or driver when, in
Chevrolet’s judgement, the claims become excessive in
frequency or type of occurrence.
Roadside Assistance is not part of or included in the
coverage provided by the New Vehicle Limited Warranty.
Chevrolet reserves the right to make any changes or
discontinue the Roadside Assistance program at
any time without notication.
7-7

Cargo Vans with a Passenger Air Bag and
without an Air Bag Off Switch........................1-40
Cassette Tape Messages.................................3-58
CD Adapter Kits.............................................3-58
CD Messages................................3-50, 3-61, 3-72
Center High-Mounted Stoplamp.........................3-16
Center Passenger Position, Safety Belts.....1-24, 1-25
Chains, Tire...................................................5-74
Charging System Light....................................3-30
Check
Engine Light...............................................3-34
Gages Warning Light...................................3-41
Check Engine Light.........................................3-34
Checking Brake Fluid......................................5-40
Checking Coolant............................................5-24
Checking Engine Oil........................................5-13
Checking Things Under the Hood......................5-10
Chemical Paint Spotting...................................5-98
Child Restraints
Child Restraint Systems...............................1-43
Infants and Young Children...........................1-36
Lower Anchorages and Top Tethers for
Children (LATCH System)..........................1-53
Older Children.............................................1-34
Securing a Child Restraint Designed
for the LATCH System......................1-55, 1-56
Securing a Child Restraint in a Center
Seat Position...................................1-61, 1-62
Securing a Child Restraint in a Rear
Outside Seat Position...............................1-58Child Restraints (cont.)
Securing a Child Restraint in the Right
Front Seat Position...................................1-65
Top Strap...................................................1-50
Top Strap Anchor Location............................1-51
Where to Put the Restraint...........................1-46
Chime Level Adjustment..................................3-75
Cigarette Lighter.............................................3-18
Cleaning
Inside of Your Vehicle..................................5-92
Outside of Your Vehicle................................5-95
Underbody Maintenance...............................5-98
Weatherstrips..............................................5-95
Cleaning Aluminum Wheels..............................5-97
Cleaning Exterior Lamps/Lenses.......................5-96
Cleaning Fabric/Carpet....................................5-92
Cleaning Glass Surfaces..................................5-94
Cleaning Interior Plastic Components.................5-94
Cleaning Leather............................................5-94
Cleaning the Top of the Instrument Panel...........5-94
Cleaning the Windshield and Wiper Blades.........5-97
Cleaning Tires................................................5-97
Cleaning Vinyl................................................5-94
Climate Control System...................................3-19
Outlet Adjustment........................................3-21
Rear Air Conditioning and Heating System......3-22
Rear Heating System...................................3-22
Control of a Vehicle.......................................... 4-5
3

Coolant
Engine Temperature Gage............................3-34
Heater, Engine............................................2-23
Cooling System..............................................5-28
Cruise Control................................................3-11
Cruise Control Light........................................3-39
Current and Past Model Order Forms................7-13
Customer Assistance Information
Courtesy Transportation.................................. 7-8
Customer Assistance for Text Telephone (TTY)
Users....................................................... 7-4
Customer Assistance Offices........................... 7-4
Customer Satisfaction Procedure..................... 7-2
GM Mobility Program for Persons with
Disabilities................................................ 7-6
Reporting Safety Defects to General Motors....7-11
Reporting Safety Defects to the Canadian
Government............................................7-11
Reporting Safety Defects to the United States
Government............................................7-11
Roadside Assistance Program......................... 7-6
Service Publications Ordering Information........7-12
D
Daytime Running Lamps..................................3-15
Daytime Running Lamps Indicator Light.............3-40
Defensive Driving............................................. 4-2
Defogging and Defrosting.................................3-20Doing Your Own Service Work........................... 5-4
Dome Lamp Override......................................3-17
Dome Lamps.................................................3-17
Door
60/40 Swing-Out Side Door...........................2-13
Cargo Door Relocking.................................... 2-8
Locks.......................................................... 2-7
Power Door Locks......................................... 2-8
Rear Door Security Locks............................... 2-8
Rear Doors.................................................2-14
Sliding Side Door........................................2-11
Driver
Position, Safety Belt.....................................1-15
Driving
At Night.....................................................4-16
City...........................................................4-21
Defensive..................................................... 4-2
Drunken....................................................... 4-2
Freeway.....................................................4-22
Hill and Mountain Roads..............................4-25
In Rain and on Wet Roads...........................4-18
Winter........................................................4-27
Driving On Grades..........................................4-49
Driving on Snow or Ice....................................4-28
Driving Through Deep Standing Water...............4-20
Driving Through Flowing Water.........................4-20
Driving with a Trailer.......................................4-47
Dual Stage Air Bags........................................1-74
Dual Tire Operation.........................................5-67
4

I
If No Steam Is Coming From Your Engine..........5-27
If Steam Is Coming From Your Engine...............5-26
If the Light Is Flashing.....................................3-35
If the Light Is On Steady.................................3-36
If You Are Caught in a Blizzard.........................4-29
If You Are Stuck in Sand, Mud, Ice or Snow.......4-31
If You Do Decide To Pull A Trailer.....................4-39
Ignition Positions.............................................2-20
Infants and Young Children, Restraints...............1-36
Ination - Tire Pressure...................................5-66
Inside Day/Night Rearview Mirror......................2-32
Instrument Panel
Cluster.......................................................3-25
Overview..................................................... 3-4
Instrument Panel Brightness Control..................3-16
Interior Lamps................................................3-16
J
Jump Starting.................................................5-43
K
Keyless Entry System....................................... 2-3
Keys............................................................... 2-2
L
Lamps
Exterior......................................................3-14
Interior.......................................................3-16
Lamps On Reminder.......................................3-15
Lap Belt........................................................1-25
Lap-Shoulder Belt...........................................1-15
LATCH System
Child Restraints...........................................1-53
Securing a Child Restraint Designed
for the LATCH System......................1-55, 1-56
Leaving Your Vehicle.......................................2-10
Leaving Your Vehicle With the Engine Running......2-28
Light
Air Bag Off .................................................3-28
Air Bag Readiness.......................................3-27
Anti-Lock Brake System Warning...................3-32
Brake System Warning.................................3-31
Change Engine Oil......................................3-38
Charging System.........................................3-30
Check Gages Warning.................................3-41
Cruise Control.............................................3-39
Daytime Running Lamps Indicator..................3-40
Malfunction Indicator....................................3-34
Reduced Engine Power................................3-40
Safety Belt Reminder...................................3-27
Security.....................................................3-39
Stabilitrak
®Indicator.....................................3-33
Stabilitrak®Not Ready..................................3-33
7

Light (cont.)
Tow/Haul Mode...........................................3-40
Loading Your Vehicle.......................................4-33
Locking Rear Axle............................................ 4-8
Lockout Protection..........................................2-10
Locks
Cargo Door Relocking.................................... 2-8
Door........................................................... 2-7
Leaving Your Vehicle....................................2-10
Lockout Protection.......................................2-10
Power Door.................................................. 2-8
Rear Door Security Locks............................... 2-8
Loss of Control...............................................4-15
M
Maintenance Schedule
Additional Required Services........................... 6-6
At Each Fuel Fill........................................... 6-9
At Least Once a Month................................6-10
At Least Once a Year..................................6-10
At the First 100, 1,000 and 6,000 Miles
(160, 1 600 and 10 000km)......................... 6-9
Introduction.................................................. 6-2
Maintenance Footnotes.................................. 6-7
Maintenance Record....................................6-16
Maintenance Requirements............................. 6-2
Normal Maintenance Replacement Parts.........6-14
Owner Checks and Services........................... 6-9Maintenance Schedule (cont.)
Recommended Fluids and Lubricants.............6-12
Scheduled Maintenance................................. 6-4
Using Your................................................... 6-3
Your Vehicle and the Environment................... 6-2
Maintenance When Trailer Towing.....................4-50
Making Turns.................................................4-48
Malfunction Indicator Light................................3-34
Manual Seats................................................... 1-3
Manual Windows............................................2-16
Matching Transmitter(s) to Your Vehicle............... 2-5
Mexico, Central America and Caribbean Islands/
Countries (Except Puerto Rico and U.S.
Virgin Islands) – Customer Assistance................ 7-5
Mirrors
Manual Rearview Mirror................................2-32
Outside Camper-Type Mirrors........................2-32
Outside Convex Mirror.................................2-34
Outside Heated Mirrors................................2-35
Outside Manual Mirror..................................2-32
Outside Power Mirrors..................................2-33
Model Reference................................................ vi
MyGMLink.com................................................ 7-4
N
New Vehicle Break-In......................................2-20
Noise Control System, Tampering......................5-51
Normal Maintenance Replacement Parts............6-14
8