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:
Express-down Windows
Vehicles with the express-down feature allow the driver and front passenger windows to be lowered without holding the switch. Push the switch down to the second detent, then release, to activate the e ...
Security Light
The immobilizer light should come on briefly as the engine is started. If it
does not come on, have the vehicle serviced by your dealer. If the system is working
normally, the indicator light tu ...
Crew Cab
A. Open or Close
B. Vent
On vehicles with a sunroof, the sunroof only operates when the ignition is in the ACC/ACCESSORY or ON/RUN or the Retained Accessory Power (RAP) is active.
See Retained Ac ...





