Customer Assistance For Text Telephone (Tty) Users; P.o. Box; Customer Assistance Offices - GMC 2005 T-Series Owner's Manual

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. If a U.S. customer wishes to write to
GMC, the letter should be addressed to the GM Medium
Duty Truck Customer Assistance Center.
7-4
United States – Customer Assistance
GM Medium Duty Truck Customer Assistance
Center
Customer Assistance Center

P.O. Box 44947

Detroit, MI 48244
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, 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