Contact Us: Overview

Contact Automotive Brands

Have a question? Comments or questions regarding dealers, vehicle repairs or parts? Click on the appropriate logo below to contact a GM brand by e-mail, phone or mail. If you need help finding important information about General Motors, click the Help Me Find Information link below.

Help Me Find Information

Need help finding important information about your vehicle purchase process, an owner question or other services? Click the button below to view information on frequently requested topics. Or, check out the FAQ list.


Mailing Address

General Motors Company
P.O.Box 33170
Detroit, MI 48232-5170

Customer Assistance Centers:
Chevrolet: 800-222-1020
Buick: 800-521-7300
GMC: 800-462-8782
Cadillac: 800-458-8006
Pontiac: 800-762-2737
HUMMER: 800-732-5493
Saturn: 800-553-6000