OnStar Services
See also:
Tire Inspection
We recommend that the tires, including the spare tire, if the vehicle has
one, be inspected for signs of wear or damage at least once a month.
Replace the tire if:
- The indicators at three or ...
Roadside Service (U.S. and Canada)
U.S.: 1-800-224-1400
Canada: 1-800-882-1112.
Text Telephone (TTY) Users
(U.S. Only): 1-888-889-2438.
Service is available 24 hours a day, 365 days a year.
Calling for Service
When callin ...
Phone
Bluetooth
For vehicles equipped with Bluetooth capability, the system can interact with
many cell phones, allowing:
Placement and receipt of calls in a hands-free mode.
Sharing of the cell ph ...






