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:
Once a Year
• Starter switch check. See Owner Checks and
Services.
• Parking brake and automatic transmission P (Park)
mechanism check. See Owner Checks and
Services.
• Automatic transmission shiftl ...
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
†...
Selecting the XM Band
Press the RADIO/BAND or SRCE button to choose between AM, FM, and XM. The last
channel played in that band begins to play when that band is selected. ...