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GENERAL MOTORS, GM, the GM Emblem,
CHEVROLET, the CHEVROLET Emblem are
registered trademarks and the name AVALANCHE
is a trademark 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 first sold in
Canada, substitute the name ªGeneral Motors of Canada
Limitedº for Chevrolet Motor Division whenever it
appears in this manual.
Please keep this manual in your vehicle, so it will
be there if you ever need it when you're on the road.
If you sell the vehicle, please leave this manual in it
so the new owner can use it.
We support voluntary
technician certification.
For Canadian Owners Who Prefer a
French Language Manual:
Aux propri‡taires canadiens: Vous pouvez vous
procurer un exemplaire de ce guide en fran†ais chez
votre concessionaire ou au:
Helm, Incorporated
P.O. Box 07130
Detroit, MI 48207

2-57
Auxiliary Roof Mounted Lamp Switch
(If Equipped)
If your vehicle has this feature, this button includes
wiring provisions for a dealer or a qualified service
center to install an auxiliary roof lamp.
This button is located
on the center of the
instrument panel near
the comfort controls.
When the button wiring is connected to an auxiliary
roof
-mounted lamp, pressing the button will activate
the lamp and illuminate an indicator light near the
button. Pressing the button again will turn off the
roof mounted lamp.
If your vehicle has this button, your vehicle may have
the snow plow prep package. For further information
see ªSnow Plow Prep Packageº in the Index.
Cargo Lamps
You can use the cargo lamps if you need more light in the
cargo area of your vehicle or in the top
-box storage units.
Press this button, located
on the instrument panel to
turn the cargo lamps on.
Press the button again to
turn it off.
A message in the message
center will come on and
display CARGO LAMP ON
when the cargo lamp is
turned on and the ignition
key is turned to RUN.

2-90
Accessory Power Outlets
With accessory power outlets you can power auxiliary
electrical equipment such as a cellular telephone or
CB radio.
Two accessory power outlets are located near the
cigarette lighter.
Pull up the cover to access the power outlets.
The cigarette lighter is designed to fit only in the
receptacle to the right of the accessory power outlets.
NOTICE:
Adding some electrical equipment to your vehicle
can damage it or keep other things from working
as they should. This wouldn't be covered by your
warranty. Check with your dealer before adding
anything that exceeds the amperage rating.
Certain power accessory plugs may not be compatible to
the accessory power outlets and could result in blown
vehicle or adapter fuses. If you experience a problem,
see your dealer for additional information on the
accessory power plugs.
NOTICE:
Power outlets are designed for accessory plugs
only. Do not hang any type of accessory or
accessory bracket from the plug. Improper use
of the power outlet can cause damage not covered
by your warranty.

2-109
When the transmission enters the protection mode,
you may notice a change in the transmission shifting
patterns. The transmission will return to normal shifting
patterns when the transmission fluid temperature falls
below 260F (127C).
See ªMessage Centerº in the Index for further information.
If the transmission fluid reaches temperatures of
approximately 275F (135C) or greater, the message
center will display a TRANS HOT...IDLE ENG warning
message. Pull the vehicle off the roadway when it is safe
to do so. Set the parking brake, place the transmission
in PARK (P) and allow the engine to idle until the
transmission temperature falls below 260F (127C).
If the transmission continues to operate above 265F
(130C), please contact your nearest dealer or the
GM Roadside Assistance Center.
NOTICE:
If you keep driving your vehicle with the
transmission temperature gage above the
normal operating range, you can damage the
transmission. This could lead to costly repairs
that may not be covered under your warranty.
The following situations can cause the transmission to
operate at higher temperatures:
Towing a trailer
Hot outside air temperatures
Hauling a large or heavy load
Low transmission fluid level
High transmission fluid level
Restricted air flow to the radiator and the auxiliary
transmission oil cooler (if equipped).
A temporary solution to hotter transmission operating
temperatures may be to let the transmission cool down.
If the transmission is operated at higher temperatures on
a frequent basis, see ªScheduled Maintenanceº in the
Index for the proper transmission maintenance intervals.

2-117
Trans Fluid Hot
The transmission temperature warning display is
contained in the message center.
If the transmission fluid
temperature becomes high,
the message center will
display this message.
When the transmission enters the protection mode
you may notice a change in the transmission shifting
patterns. When the transmission fluid temperature
returns to normal, the display will turn off and the
transmission shifting patterns will return to normal.
NOTICE:
If you keep driving your vehicle with the
transmission TRANS FLUID HOT message
displayed, you can damage the transmission.
This could lead to costly repairs that may not
be covered under your warranty.
The following situations can cause the transmission to
operate at higher temperatures:
Towing a trailer
Hot outside air temperatures
Hauling a large or heavy load
Low transmission fluid level
High transmission fluid level
Restricted air flow to the radiator and the auxiliary
transmission oil cooler (if equipped).
A temporary solution to hotter transmission operating
temperatures may be to let the transmission cool down.
If the transmission is operated at higher temperatures on
a frequent basis, see ªScheduled Maintenanceº in the
Index for the proper transmission maintenance intervals.

2-118
Trans Hot...Idle Engine
The transmission over-temperature display is contained
in the message center.
If this warning message is
displayed, pull the vehicle
off the roadway when it is
safe to do so.
Set the parking brake and place the transmission in
PARK (P). Idle the engine until the message center
no longer displays a message. If idling the engine does
not turn the warning message off after 10 to 15 minutes,
contact your nearest dealer or the GM Roadside Assistance
Center. See ªRoadside Assistanceº in the Index.
NOTICE:
If you keep driving your vehicle with the
transmission TRANS HOT...IDLE ENGINE
message displayed, you can damage the
transmission. This could lead to costly repairs
that may not be covered under your warranty.
The following situations can cause the transmission to
operate at higher temperatures:
Towing a trailer
Hot outside air temperatures
Hauling a heavy load
Low transmission fluid level
High transmission fluid level
Restricted air flow to the radiator and the auxiliary
transmission oil cooler (if equipped).
A temporary solution to hotter transmission operating
temperatures may be to let the transmission cool down.
If the transmission is operated at higher temperatures on
a frequent basis, see ªScheduled Maintenanceº in the
Index for the proper transmission maintenance intervals.

3-16
4 REV (Reverse): Press and hold REV to return rapidly
to a favorite passage. You will hear the disc selection
play at high speed while you press the REV pushbutton.
This allows you to listen and find out when the disc is at
the desired selection. Release REV to resume playing.
6 FWD (Forward): Press and hold this pushbutton
to advance rapidly within a track. You will hear the disc
selection play at high speed while you press the FWD
pushbutton. This allows you to listen and find out when
the disc is at the desired selection. Release FWD to
resume playing.
RECALL: Press this button to see what track is playing.
Press it again within five seconds to see how long
the CD has been playing that track. Elapsed time is
displayed in minutes and seconds. The track number
will also appear when a new track begins to play. Press
RECALL again to return to the time display.AM FM: While in the CD mode, press this button to
stop playing the CD and play the radio. The CD symbol
will still display but the word CD will be replaced with
either AM, FM1 or FM2. (If the radio is turned off,
the disc stays in the player and will resume playing at
the point where it stopped.)
CD AUX (Auxiliary): To switch between the player
and the radio when a disc is playing, press the AM
-FM
button. To return to the player, press CD AUX. When a
disc is playing, the letters CD and the CD symbol will
appear on the display. (If the radio is turned off, the disc
stays in the player and will resume playing at the point
where it stopped.)
EJECT: Press this button to eject the disc from the
player and play the radio. When the same or a new disc
is inserted, the disc will start playing on track one. If a
compact disc is left sitting in the opening for more than
a few seconds, the player will pull the CD back in.
The radio will continue playing. When the ignition
is off, press this button to load a CD.

4-73 Auxiliary Battery (If Equipped)
The auxiliary battery provision can be used to supply
electrical power to additional equipment that you may
choose to add.
If your vehicle has this
provision, this relay will be
located on the passenger's
side of the vehicle, next to
the auxiliary battery.
When using this provision, connection should only be
made to the upper stud (A) of the relay. Do not make
connections to the lower stud (B) of the relay.The auxiliary battery circuit is protected by a megafuse
located behind the auxiliary battery.
Be sure to follow the proper installation instructions
that are included with any electrical equipment that
you install.
NOTICE:
When using the auxiliary battery provision, the
electrical load must not exceed 30 amps. Always
turn off any electrical equipment when not in use.
Leaving electrical equipment on for extended
periods will drain your battery.