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. Push Push  to confirm that the OnStar equipment is active. and request a vehicle diagnostic check. If the light appears clear (no light appears), your OnStar subscription has expired and all services have been deactivated.

Push Keys, Doors and Windows to confirm that the OnStar equipment is active.

    See also:

    What to Add
    Use only new DOT 3 brake fluid from a sealed container. See Recommended Fluids and Lubricants. Always clean the brake fluid reservoir cap and the area around the cap before removing it. This helps ...

    Playing a CD
    Insert a CD partway into the slot, label side up. The player pulls it in and the CD should begin playing. If you want to insert a CD with the ignition off, first press the eject button or the INF ...

    Drunk Driving
    Death and injury associated with drinking and driving is a global tragedy. WARNING Drinking and then driving is very dangerous. Your reflexes, perceptions, attentiveness, and judgment can be aff ...