General Motors Customer Service Complaints Department ...
The head office address for General Motors Company is P.O. BOX 33170 Detroit, MI 48232-5170. General Motors has various brands under one roof like Chevrolet, GMC, Opel, Cadillac, Vauxhall, Holden, Baojun, Wuling, Jiefang. Mary T. Barra is the current CEO of General Motors, she is the first female CEO in a major automobile company in U.S. history.
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