Warranty

OnStar equipment may be warranted as part of the new-vehicle limited warranty. The manufacturer of the vehicle furnishes detailed warranty information.

    See also:

    Rear Window Defogger
    The rear window defogger uses a warming grid to remove fog or frost from the rear window. (Rear Defogger): Press to turn the rear window defogger on or off. An indicator light below the button ...

    How OnStar® Service Works
    In order to provide you with OnStar® services, your vehicle’s OnStar® system has the capability of recording and transmitting vehicle information. This information is automatically sent to an ...

    Call Waiting
    Call waiting must be supported on the cell phone and enabled by the wireless service carrier. • Press to answer an incoming call when another call is active. The original call is placed ...