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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 GMC, refer to the addresses below.
United States
GMC Customer Assistance Center
P.O. Box 33172
Detroit, MI 48232-5172
www.GMC.com
1-800-GMC-8782 (462-8782)
1-800-GMC-8583 (462-8583)
(For Text Telephone devices (TTYs))
Roadside Assistance: 1-800-GMC-8782 (462-8782)
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
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