maintenance GMC SIERRA 1500 2012 Workshop Manual

Black plate (14,1)GMC Sierra Owner Manual - 2012 - CRC - 11/15/11
11-14 Service and Maintenance
UsageFluid/Lubricant
Hood Hinges Multi-Purpose Lubricant, Superlube (GM Part No. 12346241, in
Canada 10953474).
Body Door Hinge Pins, Tailgate
Hinge and Linkage, and Fuel Door Hinge Multi-Purpose Lubricant, Superlube (GM Part No. 12346241, in
Canada 10953474).
Tailgate Handle Pivot Points, Hinges, Latch Bolt, and Linkage Multi-Purpose Lubricant, Superlube (GM Part No. 12346241, in
Canada 10953474).
Weatherstrip Conditioning Weatherstrip Lubricant (GM Part No. 3634770, in Canada 10953518) or
Dielectric Silicone Grease (GM Part No. 12345579, in Canada 992887).
Weatherstrip Squeaks Synthetic Grease with Teflon, Superlube (GM Part No. 12371287, in
Canada 10953437).

Black plate (15,1)GMC Sierra Owner Manual - 2012 - CRC - 11/15/11
Service and Maintenance 11-15
Maintenance Replacement Parts
Replacement parts identified below by name, part number, or specification can be obtained from your dealer.
If your vehicle has a diesel engine, see the Duramax diesel supplement for more information.Part GM Part Number ACDelco Part Number
Engine Air Cleaner/Filter Standard Filter 15908916* A3086C*
High Capacity Filter 15908915 A3085C
Oil Filter
4.3L V6 25010792 PF47
4.8L V8; 5.3L V8; 6.0L V8; 6.2L V8 89017524 PF48
Spark Plugs 4.3L V6 12568387 41-101
4.8L V8; 5.3L V8; 6.0L V8; 6.2L V8 12621258 41-110
Wiper Blades –55.0 cm (21.6 in) 25877402 —
*15908915 (A3085C) high-capacity air cleaner filter may be substituted.

Black plate (16,1)GMC Sierra Owner Manual - 2012 - CRC - 11/15/11
11-16 Service and Maintenance
Maintenance Records
After the scheduled services are performed, record the date, odometer reading, who performed the service, and the
type of services performed in the boxes provided. Retain all maintenance receipts.Date Odometer
Reading Serviced By Services Performed

Black plate (17,1)GMC Sierra Owner Manual - 2012 - CRC - 11/15/11
Service and Maintenance 11-17
DateOdometer
Reading Serviced By Services Performed

Black plate (18,1)GMC Sierra Owner Manual - 2012 - CRC - 11/15/11
11-18 Service and Maintenance
DateOdometer
Reading Serviced By Services Performed

Black plate (6,1)GMC Sierra Owner Manual - 2012 - CRC - 11/15/11
13-6 Customer Information
Customer Assistance for
Text Telephone (TTY)
Users (U.S. and Canada)
To assist customers who are
deaf, hard of hearing, or speech
impaired and who use Text
Telephones (TTYs), GMC has
TTY equipment available at its
Customer Assistance Center. Any
TTY user can communicate with
GMC by dialing: 1-800-462-8583.
TTY users in Canada can dial
1-800-263-3830.
Online Owner Center
Manage your vehicle (U.S.) at
gmc.com. Click on“Owners,”
then “Manage My GMC/Owners
Login.”
Information and services
customized for your specific
vehicle —all in one convenient
place.
.Digital owner manual, warranty
information, and more.
.Storage for online service and
maintenance records.
.GMC dealer locator for service
nationwide.
.Exclusive privileges and offers.
.Recall notices for your specific
vehicle.
.OnStar and GM Cardmember
Services Earnings summaries. Other Helpful Links
GMC
—www.gmc.com
GMC Merchandise —
www.gmccollection.com
Help Center —
www.gmc.com/helpcenter
.FAQ (Frequently Asked
Questions)
.Contact Us
GMC Owner Centre (Canada)
gmcowner.ca
Take a trip to the GMC Owner
Centre:
.Chat live with online help
representatives.
.Use the Vehicle Tools section.
.Access third party enthusiast
sites and social media networks.
.Locate owner resources such
as lease-end, financing, and
warranty information.

Black plate (7,1)GMC Sierra Owner Manual - 2012 - CRC - 11/15/11
Customer Information 13-7
.Retrieve your favorite articles,
quizzes, tips and multimedia
galleries organized into the
Features and Auto Care
Sections.
.Download the owner manual for
your vehicle, quickly and easily.
.Find the GMC-recommended
maintenance services for your
vehicle.
GM Mobility
Reimbursement Program
(U.S. and Canada)
This program is available to
qualified applicants for cost
reimbursement of eligible
aftermarket adaptive equipmentrequired for the vehicle, such as
hand controls or a wheelchair/
scooter lift for the vehicle.
For more information on the limited
offer, visit www.gmmobility.com or
call the GM Mobility Assistance
Center at 1-800-323-9935. Text
Telephone (TTY) users, call
1-800-833-9935.
General Motors of Canada also
has a Mobility Program. Call
1-800-GM-DRIVE (463-7483)
for details. TTY users call
1-800-263-3830.
Roadside Assistance
Program (U.S. and
Canada)
For U.S.‐purchased vehicles, call
1‐888‐881‐3302; (Text Telephone
(TTY): 1‐888‐889‐2438).
For Canadian‐purchased vehicles,
call
1-800-268-6800.
Service is available 24 hours a day,
365 days a year.
Calling for Assistance
When calling Roadside Assistance,
have the following information
ready:
.Your name, home address, and
home telephone number
.Telephone number of your
location
.Location of the vehicle
.Model, year, color, and license
plate number of the vehicle
.Odometer reading, Vehicle
Identification Number (VIN), and
delivery date of the vehicle
.Description of the problem
Coverage
Services are provided up to
5 years/160 000 km (100,000 mi),
whichever comes first.
In the U.S., anyone driving the
vehicle is covered. In Canada, a
person driving the vehicle without
permission from the owner is not
covered.

Black plate (17,1)GMC Sierra Owner Manual - 2012 - CRC - 11/15/11
Customer Information 13-17
Owner Information
Owner publications are written
specifically for owners and intended
to provide basic operational
information about the vehicle.
The Owner Manual includes the
Maintenance Schedule for all
models.
In-Portfolio: Includes a Portfolio,
Owner Manual, and Warranty
Booklet.
RETAIL SELL PRICE:
$35.00 (U.S.) plus handling and
shipping fees.
Without Portfolio: Owner
Manual only.
RETAIL SELL PRICE:
$25.00 (U.S.) plus handling and
shipping fees.
Current and Past Models
Technical Service Bulletins and
Manuals are available for current
and past model GM vehicles.
ORDER TOLL FREE:
1-800-551-4123 Monday–Friday
8:00 AM –6:00 PM Eastern Time
For Credit Card Orders Only
(VISA-MasterCard-Discover), visit
Helm, Inc. at: www.helminc.com.
Or write to:
Helm, Incorporated
Attention: Customer Service
47911 Halyard Drive
Plymouth, MI 48170
Prices are subject to change
without notice and without incurring
obligation. Allow ample time for
delivery.
All listed prices are quoted in U.S.
funds. Make checks payable in U.S.
funds.
Reporting Safety
Defects
Reporting Safety Defects
to the United States
Government
If you believe that your vehicle
has a defect which could cause
a crash or could cause injury or
death, you should immediately
inform the National Highway
Traffic Safety Administration
(NHTSA) in addition to notifying
General Motors.
If NHTSA receives similar
complaints, it may open an
investigation, and if it finds
that a safety defect exists in a
group of vehicles, it may order
a recall and remedy campaign.

Black plate (6,1)GMC Sierra Owner Manual - 2012 - CRC - 11/15/11
i-6 INDEX
Fuel (cont'd)Management, Active . . . . . . . . . . 9-32
Recommended . . . . . . . . . . . . . . . 9-68
Requirements, California . . . . . 9-69
System Messages . . . . . . . . . . . . 5-43
Full-Size Spare Tire . . . . . . . . . . 10-87
Fuses Engine CompartmentFuse Block . . . . . . . . . . . . . . . . 10-44
Fuses and Circuit Breakers . . . . . . . . . . . . . . . . . . 10-44
Instrument Panel Fuse Block . . . . . . . . . . . . . . . . . . . . . . 10-48
G
Garage Door Opener . . . . . . . . . . 5-56Programming . . . . . . . . . . . . . . . . . 5-56
Gasoline Specifications . . . . . . . . . . . . . . . . . 9-69 Gauges
Engine Coolant
Temperature . . . . . . . . . . . . . . . . 5-16
Engine Oil Pressure . . . . . . . . . . 5-15
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . 5-14
Odometer . . . . . . . . . . . . . . . . . . . . . 5-13
Speedometer . . . . . . . . . . . . . . . . . 5-13
Tachometer . . . . . . . . . . . . . . . . . . . 5-13
Trip Odometer . . . . . . . . . . . . . . . . 5-13
Voltmeter . . . . . . . . . . . . . . . . . . . . . 5-16
Warning Lights and Indicators . . . . . . . . . . . . . . . . . . . 5-11
General Information Service and Maintenance . . . . . 11-1
Towing . . . . . . . . . . . . . . . . . . . . . . . . 9-74
Vehicle Care . . . . . . . . . . . . . . . . . . 10-2
Glass Replacement . . . . . . . . . . . 10-37
Glove Box . . . . . . . . . . . . . . . . . . . . . . 4-1
GM Mobility Reimbursement Program . . . . . . . . . . . . . . . . . . . . . . 13-7
H
Halogen Bulbs . . . . . . . . . . . . . . . . 10-39
Hazard Warning Flashers . . . . . . . 6-5
Head Restraints . . . . . . . . . . . . . . . . 3-2
HeadlampsAiming . . . . . . . . . . . . . . . . . . . . . . 10-37
Automatic . . . . . . . . . . . . . . . . . . . . . . 6-4
Bulb Replacement . . . . . . . . . . 10-39
Daytime RunningLamps (DRL) . . . . . . . . . . . . . . . . . 6-3
Flash-to-Pass . . . . . . . . . . . . . . . . . . 6-3
Headlamps, Front Turn
Signal, Sidemarker, and
Parking Lamps . . . . . . . . . . . . 10-39
High-Beam On Light . . . . . . . . . . 5-29
High/Low Beam Changer . . . . . . 6-3
Heated and Ventilated Front Seats . . . . . . . . . . . . . . . . . . . . . . . . . 3-9
Heated Mirrors . . . . . . . . . . . . . . . . . 2-17
Heater Engine Coolant . . . . . . . . . . . . . . . 9-30

Black plate (8,1)GMC Sierra Owner Manual - 2012 - CRC - 11/15/11
i-8 INDEX
LightsAirbag On-Off . . . . . . . . . . . . . . . . . 5-19
Airbag Readiness . . . . . . . . . . . . . 5-18
Antilock Brake System
(ABS) Warning . . . . . . . . . . . . . . 5-26
Brake System Warning . . . . . . . 5-25
Charging System . . . . . . . . . . . . . 5-22
Cruise Control . . . . . . . . . . . . . . . . 5-30
Engine Oil Pressure . . . . . . . . . . 5-28
Flash-to-Pass . . . . . . . . . . . . . . . . . . 6-3
Four-Wheel-Drive . . . . . . . . . . . . . 5-26
Front Fog Lamp . . . . . . . . . . . . . . 5-29
High-Beam On . . . . . . . . . . . . . . . . 5-29
High/Low Beam Changer . . . . . . 6-3
Low Fuel Warning . . . . . . . . . . . . 5-28
Safety Belt Reminders . . . . . . . . 5-17
Security . . . . . . . . . . . . . . . . . . . . . . 5-29
StabiliTrak
®OFF . . . . . . . . . . . . . 5-27
Tire Pressure . . . . . . . . . . . . . . . . . 5-27
Tow/Haul Mode . . . . . . . . . . . . . . . 5-26
Traction Control System (TCS)/StabiliTrak
®. . . . . . . . . . 5-27
Locking Rear Axle . . . . . . . . . . . . . 9-58 Locks
Automatic Door . . . . . . . . . . . . . . . . 2-8
Delayed Locking . . . . . . . . . . . . . . . 2-8
Door . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7
Lockout Protection . . . . . . . . . . . . . 2-9
Power Door . . . . . . . . . . . . . . . . . . . . 2-8
Safety . . . . . . . . . . . . . . . . . . . . . . . . . 2-9
Loss of Control . . . . . . . . . . . . . . . . . 9-5
Low Fuel Warning Light . . . . . . . . 5-28
Lower Anchors and Tethers for Children (LATCH
System) . . . . . . . . . . . . . . . . . . . . . . 3-47
Lumbar Adjustment . . . . . . . . . . . . . 3-4 Front Seats . . . . . . . . . . . . . . . . . . . . 3-4
M
MaintenanceRecords . . . . . . . . . . . . . . . . . . . . .11-16
Maintenance Schedule Recommended Fluidsand Lubricants . . . . . . . . . . . . .11-12
Transfer Case . . . . . . . . . . . . . . . . 9-40
Malfunction Indicator Lamp . . . . 5-22
Manual Mirrors . . . . . . . . . . . . . . . . 2-14 Manual Mode . . . . . . . . . . . . . . . . . . 9-38
Manual Windows . . . . . . . . . . . . . . 2-19
Memory Features . . . . . . . . . . . . . . 1-14
Memory Seats . . . . . . . . . . . . . . . . . . 3-7
Messages
Airbag System . . . . . . . . . . . . . . . . 5-45
Anti-theft Alarm System . . . . . . . 5-45
Battery Voltage andCharging . . . . . . . . . . . . . . . . . . . . 5-39
Brake System . . . . . . . . . . . . . . . . 5-40
Door Ajar . . . . . . . . . . . . . . . . . . . . . 5-40
Engine Cooling System . . . . . . . 5-41
Engine Oil . . . . . . . . . . . . . . . . . . . . 5-42
Engine Power . . . . . . . . . . . . . . . . 5-42
Fuel System . . . . . . . . . . . . . . . . . . 5-43
Key and Lock . . . . . . . . . . . . . . . . . 5-43
Lamp . . . . . . . . . . . . . . . . . . . . . . . . . 5-43
Object Detection System . . . . . 5-43
Ride Control System . . . . . . . . . . 5-44
Starting the Vehicle . . . . . . . . . . . 5-45
Tire . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-45
Transmission . . . . . . . . . . . . . . . . . 5-46
Vehicle . . . . . . . . . . . . . . . . . . . . . . . 5-39
Vehicle Reminder . . . . . . . . . . . . . 5-47
Washer Fluid . . . . . . . . . . . . . . . . . 5-48