2003 GMC Sierra 1500 Pickup Owner's Manual - Page 527

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.) United States Pontiac-GMC Customer Assistance Center P.O. Box 33172 Detroit, MI 48232-5172 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: 31 3-381-0022 U.S. Virgin Islands: 1-800-496-9994 Fax Number: 31 3-381-0022 Customer Assistance Off ices 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 GMC's Customer Assistance Center. Canada 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 7-4