Customer Assistance Offices (U.S. and Canada)

GMC encourages customers to call the toll-free number for assistance.

However, if a customer wishes to write or e-mail GMC, the letter should be addressed to:

United States

GMC Customer Assistance Center
P.O. Box 33172
Detroit, MI 48232-5172
www.GMC.com
1-800-GMC-8782 (1-800-462-8782)
1-800-462-8583 (For Text Telephone Devices (TTYs))
Roadside Assistance:
1-888-881-3302
From Puerto Rico:
1-800-496-9992 (English)
1-800-496-9993 (Spanish)
From U.S. Virgin Islands:
1-800-496-9994

Canada

General Motors of Canada Limited Customer Care Centre, Mail Code:
CA1-163-005
1908 Colonel Sam Drive
Oshawa, Ontario L1H 8P7
www.gmc.ca
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

All Overseas Locations

Please contact the local General Motors Business Unit.

Mexico, Central America and Caribbean Islands/Countries (Except Puerto Rico and U.S. Virgin Islands)

General Motors de Mexico, S. de R.L. de C.V.
Customer Assistance Center
Av. Ejercito Nacional #843
Col. Granada
C.P. 11520, Mexico, D.F.
01-800-466-0801
Long Distance: 011-52-53 29 0801

    See also:

    Engine Power Messages
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    Conditions in Which the Remote Start Will Not Work
    The vehicle cannot be started using the remote start feature if the key is in the ignition, the hood is open, or if there is an emission control system malfunction. The engine turns off during a remo ...

    Reporting Safety Defects to the Canadian Government
    If you live in Canada, and you believe that the vehicle has a safety defect, notify Transport Canada immediately, and notify General Motors of Canada Limited. Call Transport Canada at 1-800-333-0510 o ...