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:

    Deleting Name Tags
    The system uses the following commands to delete name tags: ► Delete ► Delete all name tags ...

    Replacement Bulbs
    For replacement bulbs not listed here, contact your dealer. ...

    Call Waiting
    Call waiting must be supported on the Bluetooth phone and enabled by the wireless service carrier to work. Accepting a Call Turn the Menu knob to “Answer” and press SELECT to accept the ...