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

    See also:

    TPMS Malfunction Light and Message
    The TPMS will not function properly if one or more of the TPMS sensors are missing or inoperable. When the system detects a malfunction, the low tire warning light flashes for about one minu ...

    Horn
    Press near the horn symbols or press on the steering wheel pad to sound the horn. ...

    Headlamp Aiming
    Headlamp aim has been preset at the factory and should need no further adjustment. However, if the vehicle is damaged in a crash, the headlamp aim may be affected. Aim adjustment to the low-beam head ...