2012 GMC SIERRA 1500 fuel

Black plate (3,1)GMC Sierra Owner Manual - 2012 - CRC - 11/15/11
Technical Data 12-3
ApplicationCapacities
Metric English
Engine Oil with Filter
4.3L V6 4.3 L 4.5 qt
4.8L V8; 5.3L V8; 6.0L V8; 6.2L V8 5.7 L 6.0 qt
Fuel Tank
1500 Series Standard and Short Box 98.4 L 26.0 gal
1500 Series Long Box 128.7 L 34.0 gal
2500 Series and 3500 Series Standard Box 136.3 L 36.0 gal
2500 Series and 3500 Series Long Box 136.3 L 36.0 gal
3500 Series Chassis Cab 240.4 L 63.5 gal
3500 Chassis Cab –Front Tank 89.0 L 23.5 gal
3500 Chassis Cab –Rear Tank (if equipped) 151.4 L 40.0 gal
Transfer Case Fluid 1.5 L 1.6 qt

Black plate (5,1)GMC Sierra Owner Manual - 2012 - CRC - 11/15/11
Technical Data 12-5
Engine Specifications
EngineVIN CodeSpark Plug Gap
4.3L V6 (LU3) X1.52 mm (0.060 in)
4.8L V8 (L20) A1.02 mm (0.040 in)
5.3L V8 FlexFuel with Active Fuel Management™ (Iron
Block) (LMG) 0
1.02 mm (0.040 in)
5.3L V8 FlexFuel with Active Fuel Management™(Aluminum
Block) (LC9) 7
1.02 mm (0.040 in)
6.0L V8 FlexFuel with Active Fuel Management™(Aluminum
Block)(LZ1) J
1.02 mm (0.040 in)
6.0L V8 (Iron Block) (L96) G1.02 mm (0.040 in)
6.2L V8 FlexFuel (Aluminum Block) (L9H) 21.02 mm (0.040 in)

Black plate (8,1)GMC Sierra Owner Manual - 2012 - CRC - 11/15/11
13-8 Customer Information
Roadside Assistance is not a part of
the New Vehicle Limited Warranty.
GMC and General Motors of
Canada Limited reserve the right to
make any changes or discontinue
the Roadside Assistance program at
any time without notification.
GMC 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 GMC 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.
.Trip Routing Service: Detailed
maps of North America when
requested either with the
most direct route or the most
scenic route. Additional travel
information is also available.
Allow three weeks for delivery.
.Trip Interruption Benefits and
Assistance: If your trip is
interrupted due to a warranty
failure, incidental expenses
may be reimbursed during the
5 years/(160 000 km) 100,000 mi
Powertrain warranty period.
Items considered are hotel,
meals, and rental car.
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.

Black plate (9,1)GMC Sierra Owner Manual - 2012 - CRC - 11/15/11
Customer Information 13-9
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: Limit of
six requests per year.
.Trip Interruption Benefits
and Assistance: Must be over
250 kilometres 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 GMC
Customer Assistance Center at
01-800-466-0801.

Black plate (10,1)GMC Sierra Owner Manual - 2012 - CRC - 11/15/11
13-10 Customer Information
Services Provided
.Flat Tire Change: If unable to
change a flat tire, Roadside
Assistance will provide towing
service to the nearest authorized
GMC 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.
.Lock-Out Service: Service to
unlock the vehicle if you are
locked out.
.Battery Jump Start: Service to
jump start a dead battery.
.*Emergency Messages:
Transmission of urgent phone
messages.
.*Emergency Calls: Call for
emergency services.
.*Dealership Location
Assistance: Information
regarding addresses and
telephone numbers for GMC
dealers.
.Emergency Towing: Tow to
the nearest dealer for warranty
service if the vehicle cannot be
driven.
If the vehicle is involved in an
accident during the commission
of a crime, administrative
violation, or breach of traffic
regulations, Roadside
Assistance will not provide
service. When the vehicle is
not accessible to be towed, all
maneuvers required to access it
will be at the owner's expense.
If the vehicle is in another city
outside of your residence,
Roadside Assistance is limited
to moving the vehicle to the
nearest dealer. If you would like
the vehicle moved to a different
dealer, you will be asked to
cover the difference in cost at
the time of the move.If the vehicle cannot be received
by the nearest GMC dealer due
to scheduling conflicts, the
vehicle will be taken to a safe
place where it will remain for up
to 48 hours until it can be taken
to the dealer. If the storage costs
exceed the amount authorized,
the owner is responsible to pay
the difference at the time of
service. Contact Roadside
Assistance for more information
on authorized amounts.
.*Trip Interruption: This service
is provided if you are prevented
from further usage of your
vehicle while traveling and it is
not possible for the nearest
GMC dealership to repair the
vehicle the same day, requiring
the vehicle to stay at the
dealership for a night or more.
If this happens, in addition to the
previously listed services and
prior to confirmation by the
dealership, you are entitled to
choose one of the following
alternatives, within the limits of

Black plate (12,1)GMC Sierra Owner Manual - 2012 - CRC - 11/15/11
13-12 Customer Information
.Acts of terrorism, riot or uproar,
armed forces or police actions
which prevent timely delivery of
assistance services.
.Food service, beverages,
telephone calls, or other extra
costs. Accommodation costs
apply only to Mexico per the
terms and conditions of the
Roadside Assistance program.
.Any damage to the vehicle
without intent, derived from the
services provided.
.Cost of towing a trailer when
choosing a GMC dealer that is
nearest to the temporary storage
facility for the disabled vehicle.
.Cost of all maneuvers required
to access the vehicle when it is
not available to be towed.
.Cost of fuel provided.
Routine vehicle repair costs are
not covered by the Roadside
Assistance program. For more
information, see your new vehicle
warranty. Contacting Roadside Assistance
Roadside Assistance services
are of no cost to you and available
24 hours a day, 365 days a year.
Costs are only incurred in situations
that exceed the limits of the
program, some of which are listed
previously in this section.
To contact Roadside Assistance by
phone, use the following numbers:
Mexico
01-800-466-0801
United States
1-866-466-8902
Canada
1-800-268-6800
E-mail
[email protected]
GMC reserves the right to make
any changes or discontinue the
Roadside Assistance program at
any time without notification.
Scheduling Service
Appointments (U.S. and
Canada)
When the vehicle requires warranty
service, contact your dealer and
request an appointment. By
scheduling a service appointment
and advising the service consultant
of your transportation needs, your
dealer can help minimize your
inconvenience.
If the vehicle cannot be scheduled
into the service department
immediately, keep driving it until it
can be scheduled for service,
unless, of course, the problem is
safety related. If it is, please call
your dealership, let them know this,
and ask for instructions.
If your dealer requests you to bring
the vehicle for service, you are
urged to do so as early in the
work day as possible to allow for
same-day repair.

Black plate (13,1)GMC Sierra Owner Manual - 2012 - CRC - 11/15/11
Customer Information 13-13
Courtesy Transportation
Program (U.S. and
Canada)
To enhance your ownership
experience, we and our participating
dealers are proud to offer Courtesy
Transportation, a customer support
program for vehicles with the
Bumper-to-Bumper (Base Warranty
Coverage period in Canada),
extended powertrain, and/or
hybrid-specific warranties in both
the U.S. and Canada.
Several Courtesy Transportation
options are available to assist in
reducing inconvenience when
warranty repairs are required.
Courtesy Transportation is not a
part of the New Vehicle Limited
Warranty. A separate booklet
entitled“Limited Warranty and
Owner Assistance Information”
furnished with each new vehicle
provides detailed warranty coverage
information.
Transportation Options
Warranty service can generally be
completed while you wait. However,
if you are unable to wait, GM helps
to minimize inconvenience by
providing several transportation
options. Depending on the
circumstances, your dealer can
offer one of the following:
Shuttle Service
Shuttle service is the preferred
means of offering Courtesy
Transportation. Dealers may provide
shuttle service to get you to your
destination with minimal interruption
of your daily schedule. This includes
one-way or round-trip shuttle service
within reasonable time and distance
parameters of your dealer's area.
Public Transportation or Fuel
Reimbursement
If the vehicle requires overnight
warranty repairs, and public
transportation is used instead of
your dealer's shuttle service, the
expense must be supported by original receipts and can only
be up to the maximum amount
allowed by GM for shuttle service.
In addition, for U.S. customers,
should you arrange transportation
through a friend or relative, limited
reimbursement for reasonable fuel
expenses may be available. Claim
amounts should reflect actual costs
and be supported by original
receipts. See your dealer for
information regarding the allowance
amounts for reimbursement of fuel
or other transportation costs.
Courtesy Rental Vehicle
Your dealer may arrange to provide
you with a courtesy rental vehicle or
reimburse you for a rental vehicle
that you obtain if the vehicle is kept
for an overnight warranty repair.
Rental reimbursement will be limited
and must be supported by original
receipts. This requires that you sign
and complete a rental agreement
and meet state/provincial, local, and
rental vehicle provider requirements.

Black plate (14,1)GMC Sierra Owner Manual - 2012 - CRC - 11/15/11
13-14 Customer Information
Requirements vary and may
include minimum age requirements,
insurance coverage, credit card,
etc. You are responsible for fuel
usage charges and may also be
responsible for taxes, levies, usage
fees, excessive mileage, or rental
usage beyond the completion of the
repair.
It may not be possible to provide a
like vehicle as a courtesy rental.
Additional Program
Information
All program options, such as shuttle
service, may not be available at
every dealer. Please contact your
dealer for specific information
about availability. All Courtesy
Transportation arrangements will be
administered by appropriate dealer
personnel.
General Motors reserves the right
to unilaterally modify, change,
or discontinue Courtesy
Transportation at any time and to
resolve all questions of claimeligibility pursuant to the terms and
conditions described herein at its
sole discretion.
Collision Damage Repair
(U.S. and Canada)
If the vehicle is involved in a
collision and it is damaged, have
the damage repaired by a qualified
technician using the proper
equipment and quality replacement
parts. Poorly performed collision
repairs diminish the vehicle resale
value, and safety performance can
be compromised in subsequent
collisions.
Collision Parts
Genuine GM Collision parts are new
parts made with the same materials
and construction methods as the
parts with which the vehicle was
originally built. Genuine GM
Collision parts are the best choice to
ensure that the vehicle's designed
appearance, durability, and safety
are preserved. The use of Genuine
GM parts can help maintain the GM
New Vehicle Limited Warranty.
Recycled original equipment parts
may also be used for repair. These
parts are typically removed from
vehicles that were total losses in
prior crashes. In most cases, the
parts being recycled are from
undamaged sections of the vehicle.
A recycled original equipment GM
part may be an acceptable choice
to maintain the vehicle's originally
designed appearance and safety
performance; however, the history of
these parts is not known. Such parts
are not covered by the GM New
Vehicle Limited Warranty, and any
related failures are not covered by
that warranty.
Aftermarket collision parts are also
available. These are made by
companies other than GM and may
not have been tested for the vehicle.
As a result, these parts may fit
poorly, exhibit premature durability/
corrosion problems, and may not
perform properly in subsequent