General Information
For service and parts needs, visit your dealer. You will receive genuine GM parts and GM-trained and supported service people.
Genuine GM parts have one of these marks:

See also:
Uniform Tire Quality Grading
Quality grades can be found where applicable on the tire sidewall between tread
shoulder and maximum section width. For example: ...
Bluetooth®
The Bluetooth system allows users
with a Bluetooth-enabled cell phone
to make and receive hands-free
calls using the vehicle audio system
and controls.
The Bluetooth-enabled cell phone
must ...
Reporting Safety Defects to the Canadian Government
If you live in Canada, and you believe that the vehicle has a safety defect, notify Transport Canada immediately, and notify General Motors of Canada Limited. Call them at 1-800-333-0510 or write to:
...
