Black plate (35,1)
GMC Sierra Owner Manual - 2012
In Brief
1-35
.
Replace the vehicle's tires with
the same TPC Spec number
molded into the tire's sidewall
near the size.
.
Follow recommended scheduled
maintenance.
Roadside Assistance
Program
U.S.:
1-888-881-3302
TTY Users (U.S.):
1-888-889-2438
Canada:
1-800-268-6800
Mexico:
01-800-466-0801
As the owner of a new GMC, you
are automatically enrolled in the
Roadside Assistance program.
See
Roadside Assistance Program
(U.S. and Canada) on page 13
‑
8
or
Roadside Assistance Program
(Mexico) on page 13
‑
10
for more
information.
Roadside Assistance and OnStar
(U.S. and Canada)
If you have an active OnStar
subscription, press the
Q
button
and the current GPS location will be
sent to an OnStar advisor who will
assess your problem, contact
Roadside Assistance, and relay
your exact location to get the help
you need.
Online Owner Center (U.S. and
Canada)
The Online Owner Center is a
complimentary service that includes
online service reminders, vehicle
maintenance tips, online owner
manual, special privileges,
and more.
Sign up today at:
www.gmcownercenter.com
(U.S.)
or
www.gm.ca
(Canada).
OnStar
®
If equipped, this vehicle has a
comprehensive, in-vehicle system
that can connect to a live Advisor
for Emergency, Security, Navigation,
Connection, and Diagnostic
Services. See
OnStar Overview on
page 14
‑
1
for more information.