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:

    Accessory Power Outlet(s)
    With the accessory power outlets, you can plug in auxiliary electrical equipment such as a cellular telephone or CB radio. Your vehicle has three accessory power outlets. There are two outlets ...

    Selecting a Band
    Press the RADIO/BAND button to choose AM, FM, or XM, if equipped. The last station that was playing starts playing again. ...

    Root Directory
    The root directory of the CD is treated as a folder. If the root directory has compressed audio files, the directory displays as F1 ROOT. All files contained directly under the root directory ar ...