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:

    Rear Seat Audio (RSA) System
    Vehicles with this feature allow the rear seat passengers to listen to and control any of the music sources: radio, CD, DVD, or other auxiliary sources. The rear seat passengers can control the sa ...

    Setting the Clock
    The analog clock is located on the instrument panel above the radio. The clock is not connected with any other vehicle system and runs by itself. To adjust the clock: 1. Locate the adjustment ...

    Checking Coolant
    The vehicle must be on a level surface when checking the coolant level. The engine coolant reservoir is located in the engine compartment on the driver side of the vehicle. See Engine Compar ...