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 Communication Centre, CA1-163-005
1908 Colonel Sam Drive
Oshawa, Ontario L1H 8P7

    See also:

    Taillamps and Turn Signal Lamps
    To replace a taillamp or turn signal bulb, do the following: 1. Open the liftgate. 2. Remove the two screws from the taillamp assembly. 3. Pull the taillamp assembly away from the vehicle ...

    Uplevel Headlamp Assembly
    The uplevel model vehicle has a high intensity discharge (HID) high/low beam, a dedicated DRL, and a parking/turn signal lamp on the headlamp assembly. See High Intensity Discharge (HID) Light ...

    Using the Call Command
    1. Press . ► For vehicles without a navigation system, the system responds “Ready,” followed by a tone. ► For vehicles with a navigation system, the system responds with a tone. Aft ...