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:

    Automatic Door Locks
    For vehicles with an automatic transmission, the doors will lock automatically when all doors are closed, the ignition is on, and the shift lever is moved out of P (Park). The doors will auto ...

    Front Turn Signal Lamp (Base and Uplevel)
    To replace the Front Turn Signal Lamp: 1. Remove the turn signal lamp bulb socket from the headlamp assembly. 2. Remove the turn signal lamp bulb from the socket. 3. Replace the bulb in the bulb ...

    Driver Information Center (DIC)
    The DIC display is located in the center of the instrument panel cluster. It shows the status of many vehicle systems. The controls for the DIC are located on the turn signal lever. A. SET/CL ...