Customer Assistance Offices; Customer Assistance For Text Telephone; (Tty) Users; Online Account - GMC Sierra 2500 HD 2024 Owner's Manual

For further information concerning eligibility
in the Canadian Motor Vehicle Arbitration
Plan (CAMVAP), call toll-free 1-800-207-0685,
or call the General Motors Customer Care
Centre, 1-800-263-3777 (English),
1-800-263-7854 (French), or write to:
Mediation/Arbitration Program
c/o Customer Care Centre
General Motors of Canada Company
500 Wentworth Street W
Oshawa, ON L1J 0C5
Your inquiry should be accompanied by the
Vehicle Identification Number (VIN).

Customer Assistance Offices

GMC is committed to assisting customers.
Visit us online at www.gmc.com/support
(U.S.) or www.mygmc.ca (Canada) to chat
with us or find answers to commonly asked
questions, tips, vehicle how-to instructions,
and available support.
Need more help? Use the phone numbers or
mailing addresses below for additional
assistance.
United States and Puerto Rico
GMC Customer Assistance Center
P.O. Box 33172
Detroit, MI 48232-5172
1-800-GMC-8782 (1-800-462-8782)
TTY: Dial 711 relay service and contact
1-800-833-2438
Roadside Assistance: 1-888-881-3302
Canada
Customer Care Centre
General Motors of Canada Company
500 Wentworth Street W
Oshawa, ON L1J 0C5
1-800-263-3777 (English)
1-800-263-7854 (French)
1-800-263-3830 (For Text Telephone Devices
(TTYs))
Roadside Assistance: 1-800-268-6800
Overseas
Please contact the local General Motors
Business Unit.
Customer Information
Customer Assistance for Text
Telephone (TTY) Users
To assist customers who are deaf, hard of
hearing, or speech-impaired and/or who use
Text Telephones (TTYs), GMC is able to
assist. Please dial the national 711 relay
service and contact 1-800-833-2438. TTY users
in Canada can dial 1-800-263-3830.

Online Account

Create a GMC Account (U.S.) at gmc.com
Learn more about your vehicle features,
shop for and manage your connected
services and OnStar plans, and access
diagnostic information specific to your
vehicle.
Membership Benefits
: Download owner s manuals and view
vehicle-specific how-to videos.
: View maintenance schedules, alerts, and
Vehicle Diagnostic Information. Schedule
service appointments.
: View service records from your
dealership and add your own.
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