2008 CHEVROLET AVALANCHE ECU

Rear Storage Area
Your vehicle has a rear armrest/cupholder for the rear
seat passengers.
To open it, pull up and then out on the tab, located at
the top center of the armrest, and pull the armrest down.
Cargo Cover Panels
{CAUTION:
Improperly stored cargo cover panels could
be thrown about the vehicle during a collision
or sudden maneuver. You or others could be
injured. If you remove a panel, always store it
in the proper storage location. When you put
it back, always be sure that is securely
reattached.
Notice:Exceeding the weight limit of 250 lbs
(113 kg) can damage the cargo covers, and the
repairs would not be covered by your warranty.
Do not put anything on top of the cargo covers
over the weight limit.
Your vehicle may be equipped with a three-piece cargo
cover system. The cargo panels can be removed
and stored in the cargo area of the vehicle.To remove a cargo panel(s), do the following:
1. Lower the tailgate. SeeTailgate on page 2-22for
more information on the tailgate.
The panels are embossed on the upper center
portion with the numbers 1, 2 and 3. There are
also numbered labels on the bottom of the
panels. The numbers on the top and bottom
of the panels will be used as reference when
removing, storing and reinstalling the panels.
2-73

4. If cargo panel 1 needs to be removed. There are
latches on both sides that need to be released.
After you have removed each cargo panel, store them
within the cargo storage area using the cargo panel
storage system.
Cargo Panel Storage System
The three cargo panels can be stored in the cargo area
using the storage strap system.To store the panels, do the following:
1. Secure the storage
strap system in the
cargo storage area by
attaching the six clips
included on the cargo
strap system to the tie
down locations on
either side of the
storage area.
2-75

Always use the storage strap system to store the
cargo panels during driving.
Before storing the cargo panels, be sure that the
latches are in the locked position. The latches are
in the locked position when they are parallel to
the front and back edge of the panel.
Use the following instructions for the proper storage
sequence and location for each panel:
A. Secure clip A on the secondary strap.
B. Secure clip B on the secondary strap.
C. Place the remaining primary straps on top of the
lid and tray.2. Starting with cargo panel 1, load the cargo panel
with latches up and facing away from you.
2-76

7. Close both cross locks at the center of the strap
system to secure tightly.
Panels 3, 2, 1 Loaded
2-79

2. Fold the four primary strap ends towards the center
as shown.
3. Take the short strap and surround the folded
webbing, forming a package.4. Take the secondary strap and wrap it around the
package. Finally, attach the hooks to the webbing
and place inside the top box storage compartment.
Cargo Tie Downs
Cargo tie downs are located in the rear cargo area that
can be used to secure cargo.
The tie downs can also be used to secure the cargo
cover panel strap system or the tonneau cover storage
bag, if equipped. For more information see “Cargo
Cover Panels” earlier in this section andTonneau
Cover on page 2-90.
2-84

Tonneau Cover
{CAUTION:
Improperly stored tonneau cover components
could be thrown about the vehicle during a
collision or sudden maneuver. You or others
could be injured. If you remove the cover,
bows and rails, always store them properly
in the cargo area.
When you put them back, always be sure that
they are securely reattached.
Your vehicle may be equipped with a tonneau cover.
The main components of the tonneau cover are
the following:A. Front Rail
B. Bows
C. Side RailsD. Rear Rail
E. Plastic Lip
F. Loop
2-90

4. Remove the front rail by rst twisting up the edge
nearest you, to clear the midgate seals, and then
pulling it out from the side rails.5. Stow both bows and the front and rear rails in the
storage bag. When all components of the tonneau
cover are secured in the bag properly, zip the
bag shut.
2-95

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
Rainsense™ II Wipers...................................3-10
Windshield Washer.......................................3-11
Cruise Control..............................................3-12
Exterior Lamps.............................................3-14
Headlamps on Reminder................................3-15
Daytime Running Lamps (DRL).......................3-16
Automatic Headlamp System..........................3-16
Fog Lamps ..................................................3-17
Exterior Cargo Lamps....................................3-17
Instrument Panel Brightness...........................3-18
Dome Lamps ...............................................3-18
Dome Lamp Override....................................3-18
Entry/Exit Lighting.........................................3-18
Reading Lamps............................................3-18
Electric Power Management...........................3-19
Battery Run-Down Protection..........................3-19Accessory Power Outlet(s).............................3-20
Ashtray(s) and Cigarette Lighter......................3-20
Climate Controls............................................3-21
Climate Control System.................................3-21
Dual Automatic Climate Control System...........3-24
Outlet Adjustment.........................................3-31
Warning Lights, Gages, and Indicators............3-32
Instrument Panel Cluster................................3-33
Speedometer and Odometer...........................3-34
Trip Odometer..............................................3-34
Tachometer.................................................3-34
Safety Belt Reminders...................................3-34
Airbag Readiness Light..................................3-35
Passenger Airbag Status Indicator...................3-36
Charging System Light..................................3-38
Voltmeter Gage............................................3-39
Brake System Warning Light..........................3-39
Anti-lock Brake System (ABS) Warning Light. . . .3-41
StabiliTrak
®Indicator Light.............................3-41
Engine Coolant Temperature Gage..................3-42
Tire Pressure Light.......................................3-42
Malfunction Indicator Lamp.............................3-43
Oil Pressure Gage........................................3-46
Oil Pressure Light.........................................3-47
Security Light...............................................3-47
Section 3 Instrument Panel
3-1