Tire Designations

See also:

Doing Your Own Service Work
WARNING You can be injured and the vehicle could be damaged if you try to do service work on a vehicle without knowing enough about it. . Be sure you have sufficient knowledge, experience, the pr ...

Airbag System Check
The airbag system does not need regularly scheduled maintenance or replacement. Make sure the airbag readiness light is working. See Airbag Readiness Light on page 5‑11 for more information. ...

Reactivation for Subsequent Owners
Push and follow the prompts to speak to an Advisor as soon as possible after acquiring the vehicle. The Advisor will update vehicle records and will explain the OnStar service offers and options ava ...