Diagnostics

OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if the vehicle is equipped with the Tire Pressure Monitoring System. If a diagnostics check is needed between e-mails, push Advisor can run a check., and an Advisor can run a check.

    See also:

    Roadside Assistance Program
    For U.S. purchased vehicles, call 1-800-252-1112; (Text Telephone (TTY): 1-888-889-2438). For Canadian purchased vehicles, call 1-800-268-6800. Service is available 24 hours a day, 365 days a year ...

    Rear Seat Audio (RSA)
    This feature allows rear seat passengers to listen to any of the sources: radio, cassette tapes, CDs, or DVDs. However, the rear seat passengers can only control the sources that the front seat pa ...

    Wipe Parking
    If the ignition is turned to LOCK/OFF while the wipers are on 1, 2, or , they will immediately stop. If the windshield wiper lever is then moved to before the driver door is opened, or within ...