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:

    Windshield Washer
    Pull the windshield wiper lever toward you to spray windshield washer fluid and activate the wipers. See Windshield Wiper/Washer . ...

    What to Do with Used Oil
    Used engine oil contains certain elements that can be unhealthy for your skin and could even cause cancer. Do not let used oil stay on your skin for very long. Clean your skin and nails with soap ...

    Controls
    The infotainment system is operated by using the pushbuttons, multifunction knobs, menus shown on the display, and steering wheel controls, if equipped. ...