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:
Tire Size
The following examples show the different parts of
a tire size.
(A) Passenger (P-Metric) Tire: The United
States version of a metric tire sizing system. The
letter P as the first character in th ...
Accessories and Modifications
When you add non-GM accessories to your vehicle
they can affect your vehicle’s performance and
safety, including such things as, airbags, braking,
stability, ride and handling, emissions systems, ...
Verify Minutes and Expiration
Push and say “minutes” then
“verify” to check how many minutes
remain and their expiration date. ...