ECU CHEVROLET AVALANCHE 2012 2.G Service Manual

Black plate (56,1)Chevrolet Avalanche Owner Manual - 2012
3-56 Seats and Restraints
6. To tighten the belt, push downon the child restraint, pull the
shoulder portion of the belt to
tighten the lap portion of the belt,
and feed the shoulder belt back
into the retractor. When installing
a forward-facing child restraint, it
may be helpful to use your knee
to push down on the child
restraint as you tighten the belt.
Try to pull the belt out of the
retractor to make sure the
retractor is locked. If the
retractor is not locked, repeat
Steps 5 and 6. 7. Before placing a child in the
child restraint, make sure it is
securely held in place. To check,
grasp the child restraint at the
safety belt path and attempt
to move it side‐to‐side and
back‐and‐forth. When the child
restraint is properly installed,
there should be no more than
2.5 cm (1 in) of movement.
If the vehicle is equipped with the
passenger sensing system, and
when the passenger sensing system
has turned off the right front
passenger frontal airbag, the off
indicator in the passenger airbag
status indicator should light and stay
lit when you start the vehicle. See
Passenger Airbag Status Indicator
on page 5‑17. If a child restraint has been
installed and the on indicator is lit,
see
“If the On Indicator is Lit for a
Child Restraint” underPassenger
Sensing System on page 3‑29 for
more information.
To remove the child restraint,
unbuckle the vehicle safety belt and
let it return to the stowed position.

Black plate (6,1)Chevrolet Avalanche Owner Manual - 2012
4-6 Storage
Additional Storage
Features
Cargo Cover Panels
For vehicles with a three-piece
cargo cover system, the cargo
panels can be removed and stored
in the cargo area of the vehicle.
{WARNING
Improperly stored cargo cover
panels could be thrown about the
vehicle during a collision or
sudden maneuver. Someone
could be injured. If a panel is
removed, always store it in the
proper storage location. When
putting it back, always make sure
that it is securely reattached.Notice:
Exceeding the weight
limit of 113 kg (250 lbs) can
damage the cargo covers, and the
repairs would not be covered by
the vehicle warranty. Do not put
anything on top of the cargo
covers over the weight limit.
To remove a cargo panel(s):
1. Lower the tailgate. See Tailgate
on page 2‑16 for 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. Unlock the cargo panel 3 by
pulling forward on the driver side
and passenger side cargo panel
latches, located on the bottom of
each cargo panel.

Black plate (7,1)Chevrolet Avalanche Owner Manual - 2012
Storage 4-7
3. Remove cargo panel 2 in thesame way and set it aside.
Remove as many cargo panels
as needed.
4. To remove cargo panel 1, unlock the two rear latches, lift the
cover slightly and pull rearward.
After each cargo panel has been
removed, 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. Always use
the storage strap system to store
the cargo panels while driving.
To store the panels:
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.
Before storing the cargo panels,
make sure that the latches on
the cargo panels are in the
locked position. The latches are
locked when they are parallel to
the front and back edge of the
panel.

Black plate (8,1)Chevrolet Avalanche Owner Manual - 2012
4-8 Storage
Use the following instructions for
the proper storage sequence
and location for each panel:
1.1. Secure clip (A) on thestorage strap.
1.2. Secure clip (B) on the storage strap.
1.3. Place the remaining primary straps (C) on top of the lid
and tray at the top of the
cargo area.2. Starting with cargo panel 1, loadthe cargo panel with the latches
facing up toward the side of the
cargo box.
Do the same for cargo panel 2
then panel 3. Make sure to store
panel 2 with the latches facing
down and panel 3 with latches
facing up toward the side of the
cargo box.3. Place the primary straps overthe three cargo covers (A).
Fasten the four strap clips (B).

Black plate (9,1)Chevrolet Avalanche Owner Manual - 2012
Storage 4-9
4. Tighten all straps by pulling onthe free end of each strap.5. Close both cross locks at thecenter of the strap system to
tightly secure.Panels 3, 2, 1 Loaded
Reinstalling the Cargo Cover
Panels
The strap system can remain
attached to the side of the cargo
area while it is not in use, or it can
be stored inside the top box storage
compartment. See Top-Box Storage
on page 4‑2 for more information.

Black plate (13,1)Chevrolet Avalanche Owner Manual - 2012
Storage 4-13
Cargo Tie-Downs
The vehicle has cargo tie downs,
located in the rear cargo area.
These can be used to secure cargo.
The tie downs can also be used to
secure the cargo cover panel strap
system, if the vehicle has one. For
more information seeCargo Cover
Panels on page 4‑6.
Roof Rack System
{WARNING
If something is carried on top of
the vehicle that is longer or wider
than the roof rack —like paneling,
plywood, or a mattress —the
wind can catch it while the vehicle
is being driven. The item being
carried could be violently torn off,
and this could cause a collision
and damage the vehicle. Never
carry something longer or wider
than the roof rack on top of the
vehicle unless using a GM
certified accessory carrier. For vehicles with a roof rack, the
rack can be used to load items.
For roof racks that do not have
crossrails included, GM Certified
crossrails can be purchased as an
accessory. See your dealer for
additional information.
Notice:
Loading cargo on the
roof rack that weighs more than
91 kg (200 lbs) or hangs over the
rear or sides of the vehicle may
damage the vehicle. Load cargo
so that it rests evenly between
the crossrails, making sure to
fasten cargo securely.

Black plate (14,1)Chevrolet Avalanche Owner Manual - 2012
4-14 Storage
To prevent damage or loss of cargo
when driving, check to make sure
crossrails and cargo are securely
fastened. Loading cargo on the roof
rack will make the vehicle’s center
of gravity higher. Avoid high speeds,
sudden starts, sharp turns, sudden
braking or abrupt maneuvers,
otherwise it may result in loss of
control. If driving for a long distance,
on rough roads, or at high speeds,
occasionally stop the vehicle to
make sure the cargo remains in its
place.
Do not exceed the maximum vehicle
capacity when loading the vehicle.
For more information on vehicle
capacity and loading, see Vehicle
Load Limits on page 9‑16.
.If small heavy objects are placed
on the roof, cut a piece of 9 mm
or 3/8 inch plywood to fit inside
the crossrails and siderails to
spread the load. Tie the plywood
to the siderail supports.
.Tie the load and secure it to the
crossrails or the siderail
supports. Use the crossrails only
to keep the load from sliding. To
move a crossrail, lift the release
lever up, on both sides of the
rail. Then slide the crossrail to
the desired position balancing
the force side to side. Press the
release lever down on both
sides of the rail, down to tighten
it. Try to slide the crossrail back
and forth slightly to make sure it
is tight..To carry long items, move the
crossrails as far apart as
possible. Tie the load to the
crossrails and the siderails or
siderail supports. Also tie the
load to the bumpers, but do not
tie the load so tightly that the
crossrails or siderails are
damaged.
.After moving a crossrail, be sure
it is securely locked into the
siderail.
A Center High-Mounted Stoplamp
(CHMSL) is located above the rear
window glass.
Make sure items loaded on the roof
of the vehicle do not block or
damage the CHMSL.

Black plate (1,1)Chevrolet Avalanche Owner Manual - 2012
Instruments and Controls 5-1
Instruments and
Controls
Controls
Steering Wheel Adjustment . . . 5-2
Steering Wheel Controls . . . . . . 5-3
Horn . . . . . . . . . . . . . . . . . . . . . . . . . . 5-5
Windshield Wiper/Washer . . . . . 5-5
Compass . . . . . . . . . . . . . . . . . . . . . 5-6
Clock . . . . . . . . . . . . . . . . . . . . . . . . . 5-8
Power Outlets . . . . . . . . . . . . . . . . . 5-9
Warning Lights, Gauges, and
Indicators
Warning Lights, Gauges, andIndicators . . . . . . . . . . . . . . . . . . 5-10
Instrument Cluster . . . . . . . . . . . 5-11
Speedometer . . . . . . . . . . . . . . . . 5-12
Odometer . . . . . . . . . . . . . . . . . . . . 5-12
Trip Odometer . . . . . . . . . . . . . . . 5-12
Tachometer . . . . . . . . . . . . . . . . . . 5-12
Fuel Gauge . . . . . . . . . . . . . . . . . . 5-12
Engine Oil Pressure Gauge . . . . . . . . . . . . . . . . . . . . . . 5-13
Engine Coolant Temperature Gauge . . . . . . . . . . . . . . . . . . . . . . 5-14 Voltmeter Gauge . . . . . . . . . . . . . 5-15
Safety Belt Reminders . . . . . . . 5-15
Airbag Readiness Light . . . . . . 5-16
Passenger Airbag Status
Indicator . . . . . . . . . . . . . . . . . . . . 5-17
Charging System Light . . . . . . 5-18
Malfunction Indicator Lamp . . . . . . . . . . . . . 5-19
Brake System Warning Light . . . . . . . . . . . . . . . . . . . . . . . 5-21
Antilock Brake System (ABS) Warning Light . . . . . . . . . . . . . . 5-22
Tow/Haul Mode Light . . . . . . . . 5-23
StabiliTrak
®OFF Light . . . . . . . 5-23
Traction Control System (TCS)/StabiliTrak
®Light . . . . 5-23
Tire Pressure Light . . . . . . . . . . 5-24
Engine Oil Pressure Light . . . . 5-24
Low Fuel Warning Light . . . . . . 5-25
Security Light . . . . . . . . . . . . . . . . 5-25
High-Beam On Light . . . . . . . . . 5-26
Front Fog Lamp Light . . . . . . . . 5-26
Cruise Control Light . . . . . . . . . 5-26
Information Displays
Driver Information Center (DIC) . . . . . . . . . . . . . . . 5-26
Vehicle Messages
Vehicle Messages . . . . . . . . . . . 5-35
Battery Voltage and ChargingMessages . . . . . . . . . . . . . . . . . . 5-36
Brake System Messages . . . . 5-36
Door Ajar Messages . . . . . . . . . 5-37
Engine Cooling System Messages . . . . . . . . . . . . . . . . . . 5-37
Engine Oil Messages . . . . . . . . 5-38
Engine Power Messages . . . . 5-39
Fuel System Messages . . . . . . 5-39
Key and Lock Messages . . . . . 5-40
Lamp Messages . . . . . . . . . . . . . 5-40
Object Detection System Messages . . . . . . . . . . . . . . . . . . 5-40
Ride Control System Messages . . . . . . . . . . . . . . . . . . 5-40
Airbag System Messages . . . . 5-42
Anti-theft Alarm System Messages . . . . . . . . . . . . . . . . . . 5-42
Tire Messages . . . . . . . . . . . . . . . 5-42
Transmission Messages . . . . . 5-43
Vehicle Reminder Messages . . . . . . . . . . . . . . . . . . 5-44
Washer Fluid Messages . . . . . 5-44

Black plate (25,1)Chevrolet Avalanche Owner Manual - 2012
Instruments and Controls 5-25
This light comes on briefly while
starting the engine. If it does not,
have the vehicle serviced by your
dealer. If the system is working
normally, the indicator light then
goes off.
If the light comes on and stays on, it
means that oil is not flowing through
the engine properly. The vehicle
could be low on oil and it might
have some other system problem.
Low Fuel Warning Light
This light, under the fuel gauge,
comes on briefly while the engine is
being started.This light and a chime come on
when the fuel tank is low on fuel.
The Driver Information Center also
displays a FUEL LEVEL LOW
message. See
Fuel System
Messages on page 5‑39 for more
information. When fuel is added this
light and message should go off.
If they do not, have the vehicle
serviced by your dealer.
Security Light
The security light should come on
briefly as the engine is started. If the
system is working normally, the
indicator light turns off. If it does not
come on, have the vehicle serviced
by your dealer. If the light stays on and the engine
does not start, there could be a
problem with the theft-deterrent
system.
This light is also used to indicate the
status of the anti-theft alarm system
when the ignition is turned off. The
light will flash rapidly if the alarm
system is arming and one or more
of the monitored entry points is not
closed. The light will stay on if the
alarm is arming and all entry points
are closed.
For information regarding this light
and the vehicle's security system,
see
Anti-theft Alarm System on
page 2‑17.

Black plate (53,1)Chevrolet Avalanche Owner Manual - 2012
Instruments and Controls 5-53
Exiting the Feature
Settings Menu
The feature settings menu will be
exited when any of the following
occurs:
.The vehicle is no longer in
ON/RUN.
.The trip/fuel or vehicle
information DIC buttons are
pressed.
.The end of the feature settings
menu is reached and exited.
.A 40 second time period has
elapsed with no selection made.
Universal Remote
System
SeeRadio Frequency Statement on
page 13‑20 for information
regarding Part 15 of the Federal
Communications Commission (FCC)
rules and Industry Canada
Standards RSS-GEN/210/220/310.
Universal Remote System
Programming
Vehicles with the Universal Remote
System will have these buttons
located in the headliner. This system provides a way to
replace up to three remote control
transmitters used to activate
devices such as garage door
openers, security systems, and
home automation devices.
Do not use this system with any
garage door opener that does not
have the stop and reverse feature.
This includes any garage door
opener model manufactured before
April 1, 1982.
Read the instructions completely
before attempting to program the
transmitter. Because of the steps
involved, it may be helpful to
have another person assist with
programming the transmitter.
Be sure to keep the original remote
control transmitter for use in other
vehicles, as well as for future
programming. Only the original
remote control transmitter
is needed for Fixed Code
programming. The programmed
buttons should be erased when the