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:

    Vehicle Reminder Messages
    ICE POSSIBLE DRIVE WITH CARE This message displays when ice conditions are possible. ...

    Driving Impressions
    Cadillac's Seville has been known for years as a potent and appealing road car. The new STS builds solidly upon that reputation, adding a stylish exterior and ample technology. Smooth-riding and ...

    Engine Compartment Overview
    A. Engine Air Cleaner/Filter. B. Power Steering Reservoir and Cap (Under Engine Cover). See Power Steering Fluid. C. Engine Oil Fill Cap. See Engine Oil. D. Engine Oil Dipstick (Out of ...