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:

    Storing a Favorite Station
    Stations from all bands can be stored in the favorite lists in any order. Up to six stations can be stored in each favorite page and the number of available favorite pages can be set. To st ...

    Rear Window Defogger
    The rear window defogger uses a warming grid to remove fog from the rear window. (Rear): Press this button to turn the rear window defogger on or off. An indicator light in the button will co ...

    Dome Lamps
    The dome lamps will come on when you open a door unless the dome lamp override is pressed in. ...