General Motors Customer Service Contacts

General Motors Company is an American multinational corporation headquartered in Detroit, that manufactures, markets and sells vehicles, parts and financial services.

GM Brands include: Chevrolet, Buick, Cadillac, and GMC.

Email Contacts

Contact form

Customer Service Resources

Mailing Address:

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

What you need to know about General Motors

The company responds to most customer complaints in a satisfactory manner.

How to resolve a problem with General Motors

This guide on how to solve a customer service problem will help you resolve most problems with the company. You can also refer to the executive contacts below or contact our advocacy team directly.

General Inquiries

Send written correspondence to:

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

Note: If you’re having customer service trouble, please use our proven methods for fixing any consumer problem before contacting any company manager directly.

General Motors mailing address

General Motors social media channels

General Motors executive customer service contacts