Reporting Safety Defects to General Motors

In addition to notifying NHTSA (or Transport Canada) in a situation like this, please notify General Motors.

Call 1-800-521-7300, or write:

Buick Customer Assistance Center P.O. Box 33136
Detroit, MI 48232-5136 In Canada, call 1-800-263-3777
(English) or 1-800-263-7854
(French), or write:

General Motors of Canada Limited Customer Care Centre, Mail Code: CA1-163-005
1908 Colonel Sam Drive
Oshawa, Ontario L1H 8P7

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