
GENERAL MOTORS, GM, the GM Emblem,
CHEVROLET, the CHEVROLET Emblem, and the
name COLORADO are registered trademarks of
General Motors Corporation.
This manual includes the latest information at the time
it was printed. We reserve the right to make changes
after that time without further notice. For vehicles
rst sold in Canada, substitute the name “General
Motors of Canada Limited” for Chevrolet Motor Division
whenever it appears in this manual.
Keep this manual in the vehicle, so it will be there if
it is needed while you are on the road. If the vehicle is
sold, leave this manual in the vehicle.
Canadian Owners
A French language copy of this manual can be obtained
from your dealer or from:
Helm, Incorporated
P.O. Box 07130
Detroit, MI 48207
How to Use This Manual
Many people read the owner manual from beginning
to end when they rst receive their new vehicle. If this
is done, it can help you learn about the features
and controls for the vehicle. Pictures and words work
together in the owner manual to explain things.
Index
A good place to quickly locate information about the
vehicle is the Index in the back of the manual. It is
an alphabetical list of what is in the manual and
the page number where it can be found.
Litho in U.S.A.
Part No. 06COLORADO B Second Printing
©2005 General Motors Corporation. All Rights Reserved.
ii

Infants and Young Children
Everyone in a vehicle needs protection! This includes
infants and all other children. Neither the distance
traveled nor the age and size of the traveler changes
the need, for everyone, to use safety restraints.
In fact, the law in every state in the United States
and in every Canadian province says children up to
some age must be restrained while in a vehicle.
{CAUTION:
Children can be seriously injured or strangled
if a shoulder belt is wrapped around their
neck and the safety belt continues to tighten.
Never leave children unattended in a vehicle
and never allow children to play with the
safety belts.
Every time infants and young children ride in vehicles,
they should have the protection provided by appropriate
restraints. Young children should not use the vehicle’s
adult safety belts alone, unless there is no other choice.
Instead, they need to use a child restraint.
{CAUTION:
People should never hold a baby in their
arms while riding in a vehicle. A baby does
not weigh much — until a crash. During a
crash a baby will become so heavy it is not
possible to hold it. For example, in a crash at
only 25 mph (40 km/h), a 12 lb (5.5 kg) baby will
suddenly become a 240 lb (110 kg) force on a
person’s arms. A baby should be secured in
an appropriate restraint.
1-38

Battery Replacement
Under normal use, the battery in your remote keyless
entry transmitter should last about two years.
You can tell the battery is weak if the transmitter will not
work at the normal range in any location. If you have
to get close to your vehicle before the transmitter works,
it is probably time to change the battery.
Notice:When replacing the battery, use care not
to touch any of the circuitry. Static from your body
transferred to these surfaces may damage the
transmitter.To replace the battery, do the following:
1. Insert a thin coin, or similar object, in the slot
between the covers of the transmitter housing.
Gently pry the transmitter apart.
2. Remove and replace the battery with a three-volt
CR2032 or equivalent battery.
3. Align the covers and snap them together.
4. Check the operation of the transmitter.
2-6

When starting your engine in very cold weather
(below 0°F or 18°C), do this:
1. With your foot off the accelerator pedal, turn
the ignition key to START and hold it there up
to 15 seconds. When the engine starts, let go of
the key.
2. If your engine still will not start, or starts but then
stops, it could be ooded with too much gasoline.
Try pushing your accelerator pedal all the way to the
oor and holding it there as you hold the key in
START for about three seconds. When the engine
starts, let go of the key and accelerator. If the
vehicle starts brie y but then stops again, do the
same thing, but this time keep the pedal down
for ve or six seconds. This clears the extra
gasoline from the engine.
Notice:Your engine is designed to work with the
electronics in your vehicle. If you add electrical
parts or accessories, you could change the way the
engine operates. Before adding electrical equipment,
check with your dealer. If you do not, your engine
might not perform properly. Any resulting damage
would not be covered by your vehicle’s warranty.Engine Coolant Heater
Your vehicle may have this feature.
In very cold weather, 0°F (–18°C) or colder, the engine
coolant heater can help. You will get easier starting
and better fuel economy during engine warm-up.
Usually, the coolant heater should be plugged in a
minimum of four hours prior to starting your vehicle.
At temperatures above 32°F (0°C), use of the coolant
heater is not required.
To Use the Engine Coolant Heater
1. Turn off the engine.
2. Open the hood and unwrap the electrical cord.
The cord is located in the engine compartment
behind the underhood fuse block on the driver’s
side of the vehicle.
3. Plug it into a normal, grounded 110-volt AC outlet.
2-20

Up-Shift Light
This light will show you
when to shift to the next
higher gear for best
fuel economy.
When this light comes on, you can shift to the next
higher gear if weather, road and traffic conditions permit.
For the best fuel economy, accelerate slowly and shift
when the light comes on.
While you accelerate, it is normal for the light to go on
and off if you quickly change the position of the
accelerator. Ignore the shift light when you downshift.
If your vehicle has four-wheel drive and has a manual
transmission, disregard the shift light when the transfer
case is in four-wheel low.
For more information, seeUp-Shift Light (Manual
Transmission) on page 3-30.
Shift Speeds
{CAUTION:
If you skip a gear when you downshift, you
could lose control of your vehicle. You could
injure yourself or others. Do not shift down
more than one gear at a time when you
downshift.
2-25

Manual Rearview Mirror
with OnStar
®
Mirror Operation
Your vehicle may have a manual rearview mirror with
the OnStar®System and map lamps.
You can adjust the mirror for day or night driving.
Press the tab forward (away from you) for day driving.
Pull the tab back (toward you) for night driving.
There are also three OnStar
®buttons located at
the bottom of the mirror. See your dealer for more
information on the system and how to subscribe
to OnStar
®. SeeOnStar®System on page 2-41for
more information about the services OnStar®provides.
Map Lamps
The mirror has map lamps located at the bottom of
the mirror. To manually turn the lamps on or off,
press the button next to each lamp.
Cleaning the Mirror
When cleaning the mirror, use a paper towel or similar
material dampened with glass cleaner. Do not spray
glass cleaner directly on the mirror housing.
Automatic Dimming Rearview
Mirror with Compass and
Temperature Display
Your vehicle may have an automatic dimming rearview
mirror with a compass, temperature display, and
map lamps.
Mirror Operation
The mirror automatically changes to reduce glare from
headlamps behind you. A time delay feature prevents
rapid changing from the day to night positions while
driving under lights and through traffic.
The automatic dimming feature is automatically activated
when the vehicle is started. The automatic dimming
feature is turned on or off by pressing the left map light
button located on the lower part of the mirror. Press
and hold the button for up to three seconds to turn this
feature on or off.
T(Indicator Light):This light will turn on when the
automatic dimming feature is active.
Map Lamps
The mirror has map lamps located at the bottom of
the mirror. To manually turn the lamps on or off,
press the button next to each lamp.
2-37

Instrument Panel Overview...............................3-4
Hazard Warning Flashers................................3-6
Other Warning Devices...................................3-6
Horn .............................................................3-6
Tilt Wheel.....................................................3-7
Turn Signal/Multifunction Lever.........................3-7
Turn and Lane-Change Signals........................3-8
Headlamp High/Low-Beam Changer..................3-9
Flash-to-Pass.................................................3-9
Windshield Wipers..........................................3-9
Windshield Washer.......................................3-10
Cruise Control..............................................3-11
Exterior Lamps.............................................3-14
Headlamps on Reminder................................3-15
Daytime Running Lamps (DRL).......................3-15
Automatic Headlamp System..........................3-15
Fog Lamps ..................................................3-16
Exterior Cargo Lamps....................................3-17
Interior Lamps..............................................3-17
Instrument Panel Brightness...........................3-17
Dome Lamp .................................................3-17
Dome Lamp Override....................................3-17
Exit Lighting.................................................3-18
Battery Run-Down Protection..........................3-18
Accessory Power Outlet(s).............................3-18
Ashtray(s) and Cigarette Lighter......................3-19Climate Controls............................................3-19
Climate Control System.................................3-19
Outlet Adjustment.........................................3-21
Warning Lights, Gages,
and Indicators.............................................3-22
Instrument Panel Cluster................................3-23
Speedometer and Odometer...........................3-24
Trip Odometer..............................................3-24
Tachometer.................................................3-24
Safety Belt Reminder Light.............................3-25
Passenger Safety Belt Reminder Light.............3-25
Airbag Readiness Light..................................3-26
Passenger Airbag Status Indicator...................3-27
Battery Warning Light....................................3-29
Up-Shift Light (Manual Transmission)...............3-30
Brake System Warning Light..........................3-30
Anti-Lock Brake System Warning Light.............3-31
Engine Coolant Temperature Gage..................3-32
Malfunction Indicator Lamp.............................3-32
Oil Pressure Light.........................................3-35
Security Light...............................................3-36
Cruise Control Light......................................3-36
Highbeam On Light.......................................3-36
Daytime Running Lamps (DRL) Indicator
Light........................................................3-37
Fuel Gage...................................................3-37
Section 3 Instrument Panel
3-1

There is a delay in the transition between the daytime
and nighttime operation of the Daytime Running
Lamps (DRL) and the automatic headlamp system so
that driving under bridges or bright overhead street lights
does not affect the system. The DRL and automatic
headlamp system will only be affected when the
light sensor sees a change in lighting lasting longer
than the delay.
If you start your vehicle in a dark garage, the automatic
headlamp system will come on immediately. Once
you leave the garage, it will take approximately
one minute for the automatic headlamp system to
change to DRL if it is light outside. During that delay,
your instrument panel cluster may not be as bright
as usual. Make sure your instrument panel brightness
control is in the full bright position. SeeInstrument
Panel Brightness on page 3-17.Fog Lamps
If your vehicle has fog lamps, you can use them for
better vision in foggy or misty conditions. Your parking
lamps and/or low-beam headlamps must be on for
your fog lamps to work.
The fog lamp button is
located near the exterior
lamps control.
Press the button to turn the fog lamps on while the
headlamps or parking lamps are on. Press the button
again to turn them off. An indicator light will glow in the
button when the fog lamps are on.
Remember, fog lamps alone will not give off as much
light as your headlamps. Never use your fog lamps
in the dark without turning on the headlamps.
The fog lamps will go off whenever your high-beam
headlamps come on. When the high beams go off, the
fog lamps will come on again.
Some localities have laws that require the headlamps
to be on along with the fog lamps.
3-16