Compagnie General Motors du Canada
500 Wentworth Street WEST,
Oshawa (Ontario), Canada L1J 0C5
1 800 GM DRIVE (1-800-463-7483)
votregm@gm.com

Services aux abonnés OnStar
C.P. 455
Station A, Windsor (Ontario) N9A 6L7
1 888 466-7827 (1 888 4ONSTAR)

General Motors LLC
300 Renaissance Center
P.O. Box 300
Detroit MI. 48265-3000
1-800-263-7854
votregm@gm.com