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:

    Tire Sidewall Labeling
    Useful information about a tire is molded into its sidewall. The examples show a typical passenger vehicle tire and a compact spare tire sidewall. Passenger (P-Metric) Tire Example (A) Tir ...

    Battery
    Your vehicle has a maintenance free battery. When it is time for a new battery, get one that has the replacement number shown on the original battery’s label. We recommend an ACDelco® replace ...

    Transmission Messages
    SERVICE TRANSMISSION This message displays if there is a problem with the transmission. See your dealer. SHIFT TO PARK This message displays when the transmission needs to be shifted to P ( ...