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 Care Centre, Mail Code:
CA1-163-005 1908 Colonel Sam Drive Oshawa, Ontario L1H 8P7
See also:
When It Is Time for New Tires
Factors such as maintenance, temperatures, driving speeds, vehicle loading, and road conditions affect the wear rate of the tires.
Treadwear indicators are one way to tell when it is time for new t ...
Flash-to-Pass
To flash the high beams, pull the turn signal/lane change lever all the way toward
you. Then release it. ...
Navigation/Radio System
For vehicles with a navigation radio system, see the
separate Navigation System manual. ...