Buick encourages customers to call the toll-free number for assistance.
However, if a customer wishes to write or e-mail Buick, the letter should be addressed to:
United States and Puerto Rico
Buick Customer Assistance Center
P.O. Box 33136
Detroit, MI 48232-5136
1-800-832-8425 (For Text Telephone devices (TTYs) ) Roadside Assistance: 1-800-252-1112
From U.S. Virgin Islands: 1-800-496-9994
General Motors of Canada
Customer Care Centre, Mail Code: CA1-163-005
1908 Colonel Sam Drive Oshawa, Ontario L1H 8P7
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.
Customer Assistance for Text Telephone (TTY) Users
To assist customers who are deaf, hard of hearing, or speech-impaired and who use Text Telephones (TTYs), Buick has TTY equipment available at its Customer Assistance Center. Any TTY user can communicate with Buick by dialing: 1-800-832-8425. TTY users in Canada can dial 1-800-263-3830.