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:

    Keyless Trunk/Liftgate Opening
    Press the trunk/liftgate release button located above the license plate to open the trunk/liftgate if the keyless access transmitter is within range. See Trunk (Sedan, Coupe) for additional ...

    Root Directory
    The root directory is treated as a folder. If the root directory has compressed audio files, the directory displays as No Folder or ALL. ...

    Hazard Warning Flashers
    (Hazard Warning Flasher): Press this button located on the instrument panel near the audio system, to make the front and rear turn signal lamps flash on and off. This warns others that you ...