
Black plate (3,1)Chevrolet Avalanche Owner Manual - 2012
Service and Maintenance 11-3
Maintenance
Schedule
Owner Checks and Services
At Each Fuel Stop
.Check the engine oil level. See
Engine Oil on page 10‑8.
Once a Month
.Check the tire inflation
pressures. See Tire Pressure on
page 10‑56.
.Inspect the tires for wear. See
Tire Inspection on page 10‑62.
.Check the windshield washer
fluid level. See Washer Fluid on
page 10‑26.
Engine Oil Change
When the CHANGE ENGINE OIL
SOON message displays, have the
engine oil and filter changed within
the next 1 000 km/600 mi. If driven
under the best conditions, the
engine oil life system might not
indicate the need for vehicle service
for more than a year. The engine oil
and filter must be changed at least
once a year and the oil life system
must be reset. Your trained dealer
technician can perform this work.
If the engine oil life system is reset
accidentally, service the vehicle
within 5 000 km/3,000 mi since the
last service. Reset the oil life
system when the oil is changed.
See Engine Oil Life System on
page 10‑11.
Tire Rotation and Required
Services Every 12 000 km/
7,500 mi
Rotate the tires, if recommended for
the vehicle, and perform the
following services. See Tire
Rotation on page 10‑62.
.Check engine oil level and oil
life percentage. If needed,
change engine oil and filter, and
reset oil life system. See Engine
Oil on page 10‑8 andEngine Oil
Life System on page 10‑11.
.Check engine coolant level. See
Engine Coolant on page 10‑18.
.Check windshield washer fluid
level. See Washer Fluid on
page 10‑26.

Black plate (4,1)Chevrolet Avalanche Owner Manual - 2012
11-4 Service and Maintenance
.Visually inspect windshield wiper
blades for wear, cracking,
or contamination. SeeExterior
Care on page 10‑96. Replace
worn or damaged wiper blades.
See Wiper Blade Replacement
on page 10‑35.
.Check tire inflation pressures.
See Tire Pressure on
page 10‑56.
.Inspect tire wear. See Tire
Inspection on page 10‑62.
.Visually check for fluid leaks.
.Inspect engine air cleaner filter.
See Engine Air Cleaner/Filter on
page 10‑16.
.Inspect brake system.
.Visually inspect steering,
suspension, and chassis
components for damaged, loose,
or missing parts or signs of
wear. See Exterior Care on
page 10‑96.
.Check restraint system
components. See Safety System
Check on page 3‑20.
.Visually inspect fuel system for
damage or leaks.
.Visually inspect exhaust system
and nearby heat shields for
loose or damaged parts.
.Lubricate body components. See
Exterior Care on page 10‑96.
.Check starter switch. See Starter
Switch Check on page 10‑33.
.Check automatic transmission
shift lock control function. See
Automatic Transmission Shift
Lock Control Function Check on
page 10‑33.
.Check ignition transmission lock.
See Ignition Transmission Lock
Check on page 10‑34.
.Check parking brake and
automatic transmission park
mechanism. See Park Brake and
P (Park) Mechanism Check on
page 10‑34.
.Check accelerator pedal for
damage, high effort, or binding.
Replace if needed.
.Visually inspect gas strut for
signs of wear, cracks, or other
damage. Check the hold open
ability of the strut. See your
dealer if service is required.
.Inspect sunroof track and seal,
if equipped. See Sunroof on
page 2‑25.

Black plate (10,1)Chevrolet Avalanche Owner Manual - 2012
11-10 Service and Maintenance
Hoses
Hoses transport fluids and should
be regularly inspected to ensure
that there are no cracks or leaks.
With a multi‐point inspection, your
dealer can inspect the hoses and
advise if replacement is needed.
Lamps
Properly working headlamps,
taillamps, and brake lamps are
important to see and be seen on
the road.
.Signs that the headlamps need
attention include dimming, failure
to light, cracking, or damage.
The brake lamps need to be
checked periodically to ensure
that they light when braking.
.With a multi‐point inspection,
your dealer can check the lamps
and note any concerns.Shocks and Struts
Shocks and struts help aid in control
for a smoother ride.
.Signs of wear may include
steering wheel vibration, bounce/
sway while braking, longer
stopping distance, or uneven
tire wear.
.As part of the multi‐point
inspection, trained dealer
technicians can visually inspect
the shocks and struts for signs
of leaking, blown seals,
or damage, and can advise
when service is needed.
Tires
Tires need to be properly inflated,
rotated, and balanced. Maintaining
the tires can save money, fuel, and
can reduce the risk of tire failure.
.Signs that the tires need to be
replaced include three or more
visible treadwear indicators; cord
or fabric showing through the
rubber; cracks or cuts in the
tread or sidewall; or a bulge or
split in the tire.
.Trained dealer technicians can
inspect and recommend the right
tires. Your dealer can also
provide tire/wheel balancing
services to ensure smooth
vehicle operation at all speeds.
Your dealer sells and services
name brand tires.

Black plate (8,1)Chevrolet Avalanche Owner Manual - 2012
13-8 Customer Information
Chevrolet and General Motors of
Canada Limited reserve the right to
limit services or payment to an
owner or driver if they decide the
claims are made too often, or the
same type of claim is made many
times.
Services Provided
.Emergency Fuel Delivery:
Delivery of enough fuel for the
vehicle to get to the nearest
service station.
.Lock‐Out Service:Service to
unlock the vehicle if you are
locked out. A remote unlock may
be available if you have OnStar.
For security reasons, the driver
must present identification
before this service is given.
.Emergency Tow From a Public
Road or Highway: Tow to the
nearest Chevrolet dealer for
warranty service, or if the vehicle
was in a crash and cannot be
driven. Assistance is also given
when the vehicle is stuck in the
sand, mud, or snow.
.Flat Tire Change: Service to
change a flat tire with the spare
tire. The spare tire, if equipped,
must be in good condition and
properly inflated. It is the owner's
responsibility for the repair or
replacement of the tire if it is not
covered by the warranty.
.Battery Jump Start: Service to
jump start a dead battery.
Services Not Included in
Roadside Assistance
.Impound towing caused by
violation of any laws.
.Legal fines.
.Mounting, dismounting,
or changing of snow tires,
chains, or other traction devices.
.Towing or services for vehicles
driven on a non-public road or
highway.
Services Specific to Canadian
Purchased Vehicles
.Fuel Delivery: Reimbursement
is approximately $5 Canadian.
Diesel fuel delivery may be
restricted. Propane and other
fuels are not provided through
this service.
.Lock-Out Service: Vehicle
registration is required.
.Trip Routing Service: Detailed
maps of North America are
provided when requested either
with the most direct route or the
most scenic route. There is a
limit of six requests per year.
Additional travel information is
also available. Allow three
weeks for delivery.

Black plate (9,1)Chevrolet Avalanche Owner Manual - 2012
Customer Information 13-9
.Trip Interruption Benefits and
Assistance:Must be over
250 kilometers from where your
trip was started to qualify.
General Motors of
Canada Limited requires
pre-authorization, original
detailed receipts, and a copy
of the repair orders. Once
authorization has been received,
the Roadside Assistance advisor
will help to make arrangements
and explain how to receive
payment.
.Alternative Service: If
assistance cannot be provided
right away, the Roadside
Assistance advisor may give
permission to get local
emergency road service. You will
receive payment, up to $100,
after sending the original receipt
to Roadside Assistance.
Mechanical failures may be
covered, however any cost for
parts and labor for repairs not
covered by the warranty are the
owner responsibility.
Roadside Assistance
Program (Mexico)
As a new owner, your vehicle is
automatically enrolled in the
Roadside Assistance program. The
services are available at no cost
under the terms and conditions of
the program. The Roadside
Assistance program is not part of,
or included, in the coverage
provided by the new vehicle
limited warranty.
Roadside Assistance provides
assistance to the driver and
passengers while driving the vehicle
within your city of residence or on
any passable road in Mexico, the
United States, and Canada.
Services are subject to the
limitations described in the
following pages. Program coverage
varies by country.
Roadside Assistance is available
24 hours a day, 365 days of
the year. This program expires two years
from the date of the invoice for the
vehicle, regardless of vehicle
mileage and changes in vehicle
ownership.
For more information about the
renewal of this program at the end
of its term, contact the Chevrolet
Customer Assistance Center at
01-800-466-0800.
Services Provided
.Flat Tire Change: If unable to
change a flat tire, Roadside
Assistance will provide towing
service to the nearest authorized
Chevrolet dealership. It is the
owner's responsibility for the
repair or replacement of the tire.
This service is limited to the
transfer of the vehicle to the
repair facility.
.Emergency Fuel Delivery:
Delivery of enough fuel for the
vehicle to get to the nearest
service station.

Black plate (4,1)Chevrolet Avalanche Owner Manual - 2012
i-4 INDEX
DVDRear Seat Entertainment
System . . . . . . . . . . . . . . . . . . . . . . 7-35
DVD/CD Player . . . . . . . . . . . . . . . . 7-19
E
E85 Fuel . . . . . . . . . . . . . . . . . . . . . . . 9-63
Electrical Equipment, Add-On . . . . . . . . . . . . . . . . . . . . . . 9-84
Electrical System Engine CompartmentFuse Block . . . . . . . . . . . . . . . . 10-41
Fuses and Circuit
Breakers . . . . . . . . . . . . . . . . . . 10-41
Instrument Panel Fuse Block . . . . . . . . . . . . . . . . . . . . . . 10-46
Overload . . . . . . . . . . . . . . . . . . . 10-40
Emergency, OnStar
®. . . . . . . . . . 14-2
Engine Air Cleaner/Filter . . . . . . . . . . . 10-16
Check and Service EngineSoon Light . . . . . . . . . . . . . . . . . . 5-19
Compartment Overview . . . . . . . 10-6
Coolant . . . . . . . . . . . . . . . . . . . . . 10-18
Coolant Temperature
Gauge . . . . . . . . . . . . . . . . . . . . . . 5-14 Engine (cont'd)
Cooling System . . . . . . . . . . . . . 10-18
Cooling System Messages . . . 5-37
Drive Belt Routing . . . . . . . . . . . . 12-3
Exhaust . . . . . . . . . . . . . . . . . . . . . . 9-31
Fan . . . . . . . . . . . . . . . . . . . . . . . . . 10-25
Heater . . . . . . . . . . . . . . . . . . . . . . . . 9-27
Oil Pressure Gauge . . . . . . . . . . 5-13
Overheated Protection
Operating Mode . . . . . . . . . . . 10-24
Overheating . . . . . . . . . . . . . . . . 10-22
Power Messages . . . . . . . . . . . . . 5-39
Pressure Light . . . . . . . . . . . . . . . . 5-24
Running While Parked . . . . . . . . 9-31
Starting . . . . . . . . . . . . . . . . . . . . . . . 9-25
Engine Oil Life System . . . . . . . . . . . . . . . . . .10-11
Messages . . . . . . . . . . . . . . . . . . . . 5-38
Entry/Exit Lighting . . . . . . . . . . . . . . 6-8
Equipment, Towing . . . . . . . . . . . . 9-75
Event Data Recorders . . . . . . . . 13-19
Extender, Safety Belt . . . . . . . . . . 3-20
Exterior Cargo Lamps . . . . . . . . . . 6-6
Exterior Lamp Controls . . . . . . . . . 6-1
Exterior Lamps Off Reminder . . . 6-3
F
Fan Engine . . . . . . . . . . . . . . . . . . . . . . 10-25
Features Memory . . . . . . . . . . . . . . . . . . . . . . . . 1-9
Filter, Engine Air Cleaner . . . . . . . . . 10-16
Flash-to-Pass . . . . . . . . . . . . . . . . . . . 6-3
Flashers, Hazard Warning . . . . . . 6-5
Flat Tire . . . . . . . . . . . . . . . . . . . . . . 10-70 Changing . . . . . . . . . . . . . . . . . . . 10-72
Floor Mats . . . . . . . . . . . . . . . . . . .10-102
Fluid Automatic Transmission . . . . 10-13
Brakes . . . . . . . . . . . . . . . . . . . . . . 10-28
Four-Wheel DriveTransfer Case . . . . . . . . . 9-37, 9-42
Power Steering . . . . . . . . . . . . . 10-25
Washer . . . . . . . . . . . . . . . . . . . . . 10-26
Fog Lamps
Bulb Replacement . . . . . . . . . . . . . 6-6
Folding Mirrors . . . . . . . . . . . . . . . . 2-21
Four-Wheel Drive . . . . . . . . . . . . 10-30, 9-37, 9-42
Front Axle . . . . . . . . . . . . . . . . . . . . 10-31

Black plate (11,1)Chevrolet Avalanche Owner Manual - 2012
INDEX i-11
Storage Areas (cont'd)Glove Box . . . . . . . . . . . . . . . . . . . . . 4-1
Roof Rack System . . . . . . . . . . . . 4-13
Top-Box Storage . . . . . . . . . . . . . . . 4-2
Stuck Vehicle . . . . . . . . . . . . . . . . . . 9-15
Sun Visors . . . . . . . . . . . . . . . . . . . . . 2-25
Sunroof . . . . . . . . . . . . . . . . . . . . . . . . 2-25
Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . iv
System Infotainment . . . . . . . . . . . . . . . . . . . 7-1
Roof Rack . . . . . . . . . . . . . . . . . . . . 4-13
T
Tachometer . . . . . . . . . . . . . . . . . . . . 5-12
Tailgate . . . . . . . . . . . . . . . . . . . . . . . . 2-16
TaillampsBulb Replacement . . . . . . . . . . 10-38
Text Telephone (TTY) Users . . . 13-6
Theft-Deterrent Systems . . . . . . . 2-18 Immobilizer . . . . . . . . . . . . . . . . . . . 2-18
Throttle, Adjustable . . . . . . . . . . . . 9-22
Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-8
Tires Buying New Tires . . . . . . . . . . . 10-64
Chains . . . . . . . . . . . . . . . . . . . . . . 10-69
Changing . . . . . . . . . . . . . . . . . . . 10-72 Tires (cont'd)
Designations . . . . . . . . . . . . . . . 10-52
Different Size . . . . . . . . . . . . . . . 10-66
Full-Size Spare . . . . . . . . . . . . . 10-86
If a Tire Goes Flat . . . . . . . . . . 10-70
Inflation Monitor System . . . . 10-59
Inspection . . . . . . . . . . . . . . . . . . 10-62
Messages . . . . . . . . . . . . . . . . . . . . 5-42
Pressure Light . . . . . . . . . . . . . . . . 5-24
Pressure Monitor System . . . 10-58
Rotation . . . . . . . . . . . . . . . . . . . . 10-62
Secondary Latch System . . . 10-83
Sidewall Labeling . . . . . . . . . . . 10-50
Terminology and
Definitions . . . . . . . . . . . . . . . . . 10-53
Uniform Tire Quality Grading . . . . . . . . . . . . . . . . . . . 10-66
Wheel Alignment and Tire
Balance . . . . . . . . . . . . . . . . . . . 10-68
Wheel Replacement . . . . . . . . 10-68
When It Is Time for New Tires . . . . . . . . . . . . . . . . . . . . . . 10-63
Top-Box Storage . . . . . . . . . . . . . . . . 4-2
Tow/Haul Mode . . . . . . . . . . . . . . . . 9-36
Tow/Haul Mode Light . . . . . . . . . . 5-23 Towing
Driving Characteristics . . . . . . . . 9-67
Equipment . . . . . . . . . . . . . . . . . . . . 9-75
General Information . . . . . . . . . . 9-66
Recreational Vehicle . . . . . . . . 10-91
Trailer . . . . . . . . . . . . . . . . . . . . . . . . 9-71
Trailer Sway Control (TSC) . . . 9-83
Vehicle . . . . . . . . . . . . . . . . . . . . . 10-91
Traction Control System (TCS)/StabiliTrak
®Light . . . . . . . . . . . . 5-23
Trailer Sway Control (TSC) . . . . . . . . . . 9-83
Trailer Towing . . . . . . . . . . . . . . . . . 9-71
Transfer Case . . . . . . . . . . . 9-37, 9-42
Transmission Automatic . . . . . . . . . . . . . . . . . . . . . 9-32
Fluid, Automatic . . . . . . . . . . . . 10-13
Messages . . . . . . . . . . . . . . . . . . . . 5-43
Transportation Program, Courtesy . . . . . . . . . . . . . . . . . . . . 13-13
Trip Odometer . . . . . . . . . . . . . . . . . 5-12