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:

    Radio Menu
    Press CONFIG to enter the configure menu screen, then press CONFIG repeatedly until Radio is selected or press the Radio screen button to make changes for radio information displayed or to limit ...

    Tachometer
    The tachometer displays the engine speed in revolutions per minute (rpm). ...

    Bluetooth Controls
    Use the buttons located on the steering wheel to operate the in-vehicle Bluetooth system. See Steering Wheel Controls for more information. (Push To Talk): Press to answer incoming calls, con ...