Customer Assistance for
Text Telephone (TTY) Users
To assist customers who are deaf, hard of
hearing, or speech-impaired and who use the
Text Telephones (TTYs), GMC has TTY equipment
available at its Customer Assistance Center.
Any TTY user can communicate with GMC
by dialing: 1-800-GMC-8583 (462-8583).
(TTY users in Canada can dial 1-800-263-3830.)
Customer Assistance Offices
GMC encourages customers to call the toll-free
number for assistance. However, if a customer
wishes to write or e-mail, refer to the addresses
below.
United States – Customer Assistance
GM Medium Duty Truck Customer
Assistance Center
Customer Assistance Center
P.O. Box 44947
Detroit, MI 48244
www.GMC.com
1-800-862-4389
1-800-462-8583 (For Text Telephone
devices (TTYs))
Fax Number: 313-381-0022
From Puerto Rico
1-800-496-9992 (English)
1-800-496-9993 (Spanish)
Fax Number: 313-381-0022
U.S. Virgin Islands:
1-800-496-9994
Fax Number: 313-381-0022
Canada – Customer Assistance
General Motors of Canada Limited
Customer Communication Centre, CA1-163-005
1908 Colonel Sam Drive
Oshawa, Ontario L1H 8P7
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
330
To Next Page
Loading...
