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, Mail Code:
CA1-163-005
1908 Colonel Sam Drive
Oshawa, Ontario L1H 8P7
See also:
General Towing Information
Only use towing equipment that has
been designed for the vehicle.
Contact your dealer or trailering
dealer for assistance with preparing
the vehicle for towing a trailer.
See the following tra ...
Door Locks
To lock or unlock the door, use the Remote Keyless Entry (RKE) transmitter or the key from outside the vehicle, and the door lock knob or switch from inside the vehicle.
To unlock or lock the fuel do ...
OnStar® Steering Wheel Controls
Your vehicle may have a Talk/Mute button that
can be used to interact with OnStar® Hands-Free
Calling.
On some vehicles, you may have to hold the
button for a few seconds and give the command
†...