2004 CHEVROLET EXPRESS park assist

Tow/Haul Mode
Tow/haul is designed to assist while your vehicle is
pulling a large or heavy load or trailer. Tow/haul is most
useful while pulling such a load in rolling terrain, in
stop-and-go traffic, or when you need improved
low-speed control, such as when parking. The purpose
of the tow/haul mode is to:
Reduce the frequency and improve the predictability
of transmission shifts,
provide the same solid shift feel when pulling a
heavy load as when the vehicle is unloaded,
improve control of vehicle speed while requiring
less throttle pedal activity.
Press this button located
to the right of the steering
wheel on the instrument
panel to turn tow/haul
mode on and off.While activated, the
indicator light on the
instrument panel will
be on.
Tow/haul mode will turn off automatically when the
ignition is turned off. SeeTow/Haul Mode Light
on page 3-38.
Tow/haul is most effective when the vehicle and trailer
combined weight is at least 75 percent of the vehicle’s
Gross Combined Weight Rating (GCWR). See “Weight
of the Trailer” later in this section.
Driving with tow/haul activated without a heavy load will
cause reduced fuel economy and unpleasant engine
and transmission driving characteristics, but will
not cause damage.
Weight of the Trailer
How heavy can a trailer safely be?
It depends on how you plan to use your rig. For
example, speed, altitude, road grades, outside
temperature and how much your vehicle is used to pull
a trailer are all important. And, it can also depend
on any special equipment that you have on your vehicle.
4-36

Changing a Flat Tire
If a tire goes at, avoid further tire and wheel damage
by driving slowly to a level place. Turn on your
hazard warning ashers.
{CAUTION:
Changing a tire can be dangerous. The vehicle
can slip off the jack and roll over or fall on you
or other people. You and they could be badly
injured or even killed. Find a level place to
change your tire. To help prevent the vehicle
from moving:
1. Set the parking brake rmly.
2. Put the shift lever in PARK (P).
3. Turn off the engine and do not restart
while the vehicle is raised.
4. Do not allow passengers to remain in
the vehicle.
CAUTION: (Continued)
CAUTION: (Continued)
To be even more certain the vehicle will not
move, you should put blocks at the front and
rear of the tire farthest away from the one
being changed. That would be the tire, on the
other side, at the opposite end of the vehicle.
When you have a at tire, use the following example as a
guide to assist you in the placement of wheel blocks.
The following information will tell you next how to use
the jack and change a tire.
5-68

To contact NHTSA, you may either call the Auto Safety
Hotline toll-free at 1-800-424-9393 (or 366-0123 in
the Washington, D.C. area) or write to:
NHTSA, U.S. Department of Transportation
Washington, D.C. 20590
You can also obtain other information about motor
vehicle safety from the hotline.
Reporting Safety Defects to the
Canadian Government
If you live in Canada, and you believe that your vehicle
has a safety defect, you should immediately notify
Transport Canada, in addition to notifying General
Motors of Canada Limited. You may write to:
Transport Canada
330 Sparks Street
Tower C
Ottawa, Ontario K1A 0N5
Reporting Safety Defects to
General Motors
In addition to notifying NHTSA (or Transport Canada) in
a situation like this, we certainly hope you will notify
General Motors. Please call the Chevrolet Customer
Assistance Center at 1-800-222-1020, or write:
Chevrolet Motor Division
Chevrolet Customer Assistance Center
P.O. Box 33170
Detroit, MI 48232-5170
In Canada, please call us at 1-800-263-3777 (English)
or 1-800-263-7854 (French). Or, write:
General Motors of Canada Limited
Customer Communication Centre, 163-005
1908 Colonel Sam Drive
Oshawa, Ontario L1H 8P7
Service Publications Ordering
Information
Service Manuals
Service Manuals have the diagnosis and repair
information on engines, transmission, axle suspension,
brakes, electrical, steering, body, etc.
7-11

Retained Accessory Power (RAP)......................2-19
Right Front Passenger Position, Safety Belts......1-23
Roadside
Assistance Program....................................... 7-6
Rocking Your Vehicle to Get it Out....................4-28
Running Your Engine While You Are Parked.......2-28
S
Safety Belt
Pretensioners..............................................1-30
Reminder Light............................................3-25
Safety Belts
Care of......................................................5-85
Center Passenger Position....................1-23, 1-24
Driver Position............................................1-15
How to Wear Safety Belts Properly................1-15
Questions and Answers About Safety Belts........1-14
Rear Safety Belt Comfort Guides for
Children and Small Adults.........................1-28
Rear Seat Passengers.................................1-25
Right Front Passenger Position......................1-23
Safety Belt Extender....................................1-30
Safety Belt Use During Pregnancy.................1-23
Safety Belts Are for Everyone.......................1-10
Shoulder Belt Height Adjuster........................1-22
Safety Warnings and Symbols.............................. iiiScheduled Maintenance..................................... 6-4
Seats
Manual........................................................ 1-3
Power Seat.................................................. 1-4
Rear Seat Operation...................................... 1-6
Reclining Seatbacks...................................... 1-4
Secondary Latch System.................................5-77
Securing a Child Restraint
Center Seat Position............................1-53, 1-54
Designed for the LATCH System...................1-51
Rear Outside Seat Position...........................1-51
Right Front Seat Position..............................1-55
Security Light.................................................3-36
Service........................................................... 5-3
Adding Equipment to the Outside of
Your Vehicle.............................................. 5-5
Doing Your Own Work................................... 5-4
Engine Soon Light.......................................3-32
Publications Ordering Information...................7-11
Servicing Your Airbag-Equipped Vehicle..............1-69
Setting the Time
Radios with Radio Data Systems (RDS)............3-40
Radios without Radio Data Systems (RDS)........3-40
Sheet Metal Damage.......................................5-89
Shifting Into Park (P).......................................2-25
Shifting Out of Park (P)...................................2-26
Shoulder Belt Height Adjuster...........................1-22
10