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:

    Anti-Pinch Feature
    The anti-pinch feature is on windows with the express-up feature. If an object is in the way of the window as it is express-closing, or in certain weather conditions like severe icing, the window will ...

    Using the “Re-dial” Command
    1. Press and hold for two seconds. 2. After the tone, say “Re-dial.” Once connected, the person called will be heard through the audio speakers. ...

    Fuel Gauge
    Metric English When the ignition is on, the fuel gauge shows about how much fuel the vehicle has left in the fuel tank. An arrow on the fuel gauge indicates the side of the vehicle the fuel ...