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:

    Dual Automatic Climate Control System
    The heating, cooling, and ventilation for the vehicle can be controlled with this system. English Shown, Metric Similar A. Driver and Passenger Heated Seats (If Equipped) B. Driver and Passeng ...

    Instrument Panel Fuse Block
    The instrument panel fuse block is located in the instrument panel, on the driver side of the vehicle. To access the fuses, open the fuse panel door by pulling down at the top. Press in o ...

    Heated and Ventilated Seats
    On vehicles with heated and ventilated seats, the controls are located on the front doors and the ignition must be on to use the feature. : Press to heat the seat and seatback. : Press to he ...