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 an Advisor can run a check., and an Advisor can run a check.

    See also:

    It's the little things that count
    Storage Compartments (Puny, Fair, Ample, Galore): Galore Cargo/Trunk Space (Puny, Fair, Ample, Galore): Galore ...

    Lamps On Reminder
    This light comes on whenever the parking lamps are on. See Exterior Lamps Off Reminder for more information. ...

    Chime Volume
    This feature allows you to select the volume level of the chime. Press the customization button until Chime Volume appears on the DIC display. Press the set/reset button once to access the se ...