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 OnStar Additional Information, and an Advisor can run a check.

    See also:

    Cleaning the RSE Overhead Console
    When cleaning the RSE overhead console surface, use only a clean cloth dampened with clean water. ...

    DVD-A (Audio) Display Buttons
    Once a DVD-A is inserted, the radio display menu shows several icons. Press the softkeys under any icon during DVD playback. See the icon list below for more information. A rear seat passenger can n ...

    Using ABS
    Do not pump the brakes. Just hold the brake pedal down firmly and let ABS work. You might hear the ABS pump or motor operating and feel the brake pedal pulsate, but this is normal. ...