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:

    Ignition Transmission Lock Check
    While parked, and with the parking brake set, try to turn the ignition to LOCK/OFF in each shift lever position. ► For automatic transmission vehicles, the ignition should turn to LOCK/OFF only ...

    Ending Cruise Control
    There are three ways to end cruise control: • To disengage cruise control, step lightly on the brake pedal; when cruise control disengages, the indicator light will not be lit. • Press ...

    Setting the 12/24 Hour Format
    1. Press the CONFIG button and select Time and Date Settings, or press . 2. Highlight Set Time Format. 3. Press SELECT to select the 12 hour or 24 hour display format. ...