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.

How to reach a person at General Motors

Customer Service: (800) 462-8782

Buick: (800) 521-7300

Cadillac:  (800) 458-8006

Chevrolet: (800) 222-1020

Saturn:  (800) 553-6000

HUMMER:  (800) 486-6376

Pontiac: (800) 762-2737

General Motors Responsiveness rating


The Elliott Responsiveness Rating scores companies based on how responsive they are to customers. Here's more information about our ratings.

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 a manager.

General Motors mailing address

General Motors
300 Renaissance Center
Detroit, MI 48243

General Motors social media channels

General Motors executive customer service contacts

Primary Contact
William Kopicki
Executive Commodity Director – Customer Care and Aftersales
300 Renaissance Center
Detroit, MI 48243
[email protected]

Secondary Contact
Lin-Hua Wu
Senior VP u0026 Chief Communications Officer GM
300 Renaissance Center
Detroit, MI 48243
[email protected] , [email protected]
(800) 462-8782 , (917) 885-4665 (Mobile)

Mark Reuss
300 Renaissance Center
Detroit, MI 48243
[email protected]

Chief Executive
Mary T. Barra
Chairman u0026 CEO
300 Renaissance Center
Detroit, MI 48243
[email protected]
(313) 556-5000

How to get professional help with your General Motors problem

If you need help with General Motors, you can contact our advocacy team or just click the "Get Help" button. For immediate assistance, you can also send us a message on our Facebook group. Note: We do not charge for our advocacy.

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