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:

    Touch-Sensitive Screen Buttons
    Touch-sensitive screen buttons are located on the screen. When a screen button has been selected, a beep sounds. Screen buttons are highlighted when a feature is available. ...

    Tire Rotation
    Tires should be rotated every 12 000 km (7,500 mi). See Maintenance Schedule  . Tires are rotated to achieve a uniform wear for all tires. The first rotation is the most important. Any time ...

    Exterior
    Designed with a chiseled look, the four-door STS features what Cadillac says is a "faster profile" with "more rake" than the CTS. All told, it's considered "more sophistic ...