General Motors of Canada Company
1908 Colonel Sam Drive,
Oshawa (Ontario), Canada L1H 8P7
1 800 GM DRIVE (1-800-463-7483)
gmcare@gm.com
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OnStar Subscriber Services
P.O. Box 455,
Station A, Windsor, ON N9A 6L7
1.888.4.ONSTAR (1.888.466.7827)
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General Motors LLC
300 Renaissance Center
P.O. Box 300
Detroit MI. 48265-3000
1-800-263-3777
gmcare@gm.com
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