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:

    Additives
    To provide cleaner air, all gasolines in the United States are now required to contain additives that will help prevent engine and fuel system deposits from forming, allowing your emission control ...

    Heated Mirrors
    For vehicles with heated mirrors: (Rear Window Defogger): Press to heat the mirrors. See “Rear Window Defogger” under Automatic Climate Control System for more information. ...

    Key and Lock Messages
    NO REMOTE DETECTED This message displays when the transmitter battery is weak on vehicles with keyless access. See “Starting the Vehicle with a Low Transmitter Battery” under Remote Key ...