Page 2 of 434

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
Page 173 of 434

In addition to the engine oil life system monitoring the
oil life, additional maintenance is recommended in
the Maintenance Schedule in this manual. SeeEngine
Oil on page 5-13andScheduled Maintenance on
page 6-4for more information.
Language
This feature allows you to choose the language in
which the DIC display will show information.
To set your choice for this feature, perform the
following steps:
1. With the engine off, turn the key to ON.
2. Close all doors and make sure that the DOORS
message is not displayed in the DIC.
3. Press and release the reset stem until the language
is shown on the DIC display.
4. To view the next available language, press and
hold the reset stem for approximately two seconds.
Release the reset stem and press and hold
again to view each language. You can choose
from English (default), Spanish, or French.
5. Once the desired language is shown on the
DIC display, brie y press the reset stem to set
your choice.
Automatic Door Locks
This feature allows you to program your door locks to
a preferred setting.
To set your choice for this feature, perform the
following steps:
1. With the engine off, turn the key to LOCK.
Do not remove the key from the ignition.
2. Press and hold the power door lock button for
approximately three seconds until the DIC
display shows the current door lock mode.
3. To view the next available mode, press and hold
the reset stem for approximately two seconds.
Release the reset stem and press and hold again
to view each mode.
4. Once the desired mode is shown on the DIC
display, brie y press the reset stem to set your
choice. The DIC display will then clear.
The following are the available modes:
Lock 1 (default):On vehicles with an automatic
transmission, this mode locks all of the doors when the
vehicle is shifted out of PARK (P) and unlocks all of
the doors when the vehicle is shifted into PARK (P).
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Page 190 of 434

XM™ Radio Messages
Radio Display
MessageCondition Action Required
XL (Explicit Language
Channels)XL on the radio display,
after the channel name,
indicates content with
explicit language.These channels, or any others, can be blocked at a
customer’s request, by calling 1-800-852-XMXM (9696).
Updating Updating
encryption codeThe encryption code in the receiver is being updated, and
no action is required. This process should take no longer
than 30 seconds.
No Signl Loss of signal The system is functioning correctly, but the vehicle is in a
location that is blocking the XM™ signal. When the vehicle
is moved into an open area, the signal should return.
Loading Acquiring channel audio
(after 4 second delay)The radio system is acquiring and processing audio and text
data. No action is needed. This message should disappear
shortly.
Off Air Channel not in service This channel is not currently in service. Tune to another
channel.
CH Unavl Channel no longer
availableThis previously assigned channel is no longer assigned.
Tune to another station. If this station was one of the
presets, choose another station for that preset button.
No Info Artist Name/Feature
not availableNo artist information is available at this time on this channel.
The system is working properly.
No Info Song/Program Title
not availableNo song title information is available at this time on this
channel. The system is working properly.
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