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:

    Braking in Emergencies
    ABS allows the driver to steer and brake at the same time. In many emergencies, steering can help more than even the very best braking. ...

    Interior
    Like the previous Seville, five occupants fit inside the STS, which has soft all-leather seats. Heated and ventilated seating is an option. The headliner and pillars are covered in woven fabric. G ...

    Rear Window Wiper/Washer
    The rear wiper control is located on the turn and lane-change lever. To turn the rear wiper on, slide the lever to a wiper position. (Off): Turns the wiper off. (Rear Wiper Delay): Turns on the ...