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 an Advisor can run a check., and an Advisor can run a check.

    See also:

    Fog Lamps
    To replace a front fog lamp bulb: 1. Pull out the push-pins located on the underside of the protection shield to remove the shield. 2. Reach up behind the front bumper area from under the ...

    USB Port
    For vehicles with a USB port, the following devices may be connected and controlled by the infotainment system. - iPods® - PlaysForSure Devices (PFD) - USB Drives - Zunes Not all iPods, PFDs ...

    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 an ...