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:

    Inserting a CD or DVD
    With the printed side facing up, insert a disc into the slot until it is drawn in. ...

    Heated and Ventilated Seats
    On vehicles with heated and ventilated seats, the ignition must be on to use the feature. Driver’s Side Buttons shown The buttons are located on the front doors. (Heated Seat Cushion and S ...

    How to Wear Safety Belts Properly
    This part is only for people of adult size. Be aware that there are special things to know about safety belts and children. And there are different rules for smaller children and babies. If a ...