OnStar®

If equipped, this vehicle has a comprehensive, in-vehicle system that can connect to a live Advisor for Emergency, Security, Navigation, Connection, and Diagnostic Services. See OnStar Overview.

    See also:

    Ending a Call
    Turn or press the MENU/SELECT knob and select Hang Up. ...

    2013 Cadillac ATS Review
    Topping out third gear I’ve got just enough time to think about grabbing fourth when the first braking marker is past my front tire and I’m pushing hard on the four piston Brembos. The lightest ca ...

    SIDE BLIND ZONE ALERT SYSTEM TEMPORARILY UNAVAILABLE
    This message indicates that the SBZA system is disabled because the sensor is blocked and cannot detect vehicles in the blind zone. The sensor may be blocked by mud, dirt, snow, ice, or slush ...