Reporting Safety Defects toGeneral Motors

In addition to notifying NHTSA (or Transport Canada) in a situation like this, we certainly hope you will notify us.

Please call us at 1-800-521-7300, or write:

Buick Customer Assistance Center
P.O. Box 33136
Detroit, MI 48232-5136

In Canada, please call us at 1-800-263-3777 (English) or 1-800-263-7854 (French). Or, write:

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

    See also:

    Traction Control System (TCS)
    The traction control system limits wheel spin. The system is on when the vehicle is started. To turn off traction control, press and release g located below the infotainment system screen. i ...

    Accepting or Declining a Call
    When an incoming call is received, the infotainment system mutes and a ring tone is heard in the vehicle. Accepting a Call Turn the Menu knob to “Answer” and press SELECT to accept the c ...

    Brake Adjustment
    Every time the brakes are applied, with or without the vehicle moving, the brakes adjust for wear. ...