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:

    Memory Seat, Mirrors, and Pedals
    The controls for the memory function are located on the driver’s door. These buttons are used to program and recall memory settings for the driver’s seating position, both outside mirror ...

    Cornering Lamps
    For vehicles with this feature, the cornering lamps come on when: the headlamps or parking lamps are on, the vehicle is not in P (Park), and you signal a turn with the turn signal/multifunction ...

    Express Window Operation
    Windows with an express-up or down feature allow the front windows to be lowered or raised without holding the switch. Rear windows only have express-down. Pull a window switch up or push it ...