General Motors Headquarters Address, Office Locations, Phone Number and Contact Information

General Motors Company is a multinational corporation which is a manufacturer of vehicles. Being the largest American automobile manufacturer, General Motors designs, manufactures and also distributes vehicles and vehicle parts. If you are willing to purchase the luxurious car from general Motors, then they are on sale of amazing discount.

General Motors has owns brands like GMC, Chevrolet, Cadillac and Buick. It is also one from world’s largest automobile manufacturers. Below sections includes the contact details of General Motors like Investor relations Contact Details, Office Fax Number, Customer Helpline Number and More.

General Motors Headquarters
General Motors Headquarters, Photo Credit: Yavno

General Motors Headquarters Address and Phone Number

We all are loving to have new vehicles. Many of us are willing to visit the headquarters of the company whose vehicles we use. So, General Motors provides their headquarters address for their customers to visit. Here is the address 300 Renaissance Center Detroit, MI 48243 United States.

To get the information of available vehicles and it’s parts, you can get it from this contact number. The headquarters office contact number is 1-313-667-1500. Otherwise you can also click to this website for more information:

General Motors Customer Care Contact Information

If you need any help regarding the Oldsmobile, then you can just dial at this phone number 1-800-442-6537. The information regarding the Hummer can be get from this contact number 1-866-486-6376.

Let’s get the details about Pontiac from this phone number 1-800-762-2737. Saturn details are available at 1-800-553-6000.

To get the OnStar and connected services1 help, you can just dial at 1-888-4-ONSTAR (1-888-466-7827). Hearing or speech impaired customers can dial at 1-877-248-2080.

If you are having questions about the how to view, earn and redeem points, then please contact at 1-844-764-2665. If you need Help with site features, then officers will help you at this contact number 1-866-694-6546.

Customers of general Motors can clear their queries by writing a letter at this address GM Customer Assistance Center, P.O. Box 33170, Detroit, MI 48232-5172.

Member Services of OnStar and connected services1 are available at this address P.O. Box 1027, Warren, MI 48090-1027. Payments services are available at Dept. #77246, OnStar Subscription Center, P.O. Box 77000, Detroit, MI 48277-0246.

For any further details, please visit this website: Customers Helpline Number is 800-284-2271.

CEO Email Address

Mary T. Barra is available on her business email address

The chief executive officer shouldn’t be contacted for regular inquiries. Only high-level matters and queries should be raised with the CEO office. Don’t forget to save the email address of company’s CEO for future use.

General Motors Investor Relations and Media Phone Number 

Want to get the details about the investment in General Motors? Here are the Investment Relations officers, who will help you to get all the related information. You can join with Investor Relations through phone at this phone number 313-667-1669.

You can get connected with the GM Financial Investor Relations at this phone number. The number is 800-644-2297. You can also send your email at

You can also get connected with the Shareholder Relations at this contact number 313-667-1500.

Stock Transfer Agent are here to assist you with your GM Stock account. The stock transfer agent office address is Computershare Trust Company, N.A., P.O. Box 43078, Providence, RI 02940-3078. The Toll Free number is 888-887-8945. Outside the U.S., Canada or Puerto Rico can use this contact number 1-781-575-3334.

Journalists are always in search of getting the latest news of General Motors from Media Relations. Here we have the contact details of media relations. The phone number is 1-800-875-7562. The email address is

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