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:

    Conditions in Which Remote Start Will Not Work
    The remote vehicle start feature will not operate if: The key is in the ignition (key access) or if the key is in the vehicle (keyless access). The hood is not closed. The hazard warning fl ...

    Overview (Radio with CD/DVD and MEM)
    A. VOL/ • Turns the system on or off and adjusts the volume. B. FAV • Radio: Opens the favorites list. • MEM: Opens the favorites list. C. Buttons 1 to 6 • Radio: Saves and sele ...

    Rear Vision Camera Error Messages
    SERVICE REAR VISION CAMERA SYSTEM: This message can display when the system is not receiving information it requires from other vehicle systems. If any other problem occurs or if a problem ...