Your Responsibility

Increase the volume of the radio if the OnStar advisor cannot be heard.

If the light next to the OnStar buttons is red, the system may not be functioning properly. Press a vehicle diagnostic. If the light appears clear (no light is and request a vehicle diagnostic. If the light appears clear (no light is appearing), your OnStar subscription has expired and all services have been deactivated. Press that the OnStar equipment is active. to confirm that the OnStar equipment is active.

    See also:

    Control of a Vehicle
    Braking, steering, and accelerating are important factors in helping to control a vehicle while driving. ...

    Compact Spare Tire
    WARNING! Driving with more than one compact spare tire at a time could result in loss of braking and handling. This could lead to a crash and you or others could be injured. Use only one co ...

    Different Size Tires and Wheels
    If wheels or tires are installed that are a different size than the original equipment wheels and tires, vehicle performance, including its braking, ride and handling characteristics, stabil ...