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 OnStar Additional Information , and an Advisor can run a check.

    See also:

    Instrument Panel
    Instrument Panel A. Outlet Adjustment. B. DIC Operation and Displays (If Equipped). C. Turn Signal/Multifunction Lever. D. Instrument Panel Cluster. E. Hazard Warning Flashers. F. Audio Syst ...

    Reading Lamps
    There are front and rear reading lamps. The front reading lamps are located in the overhead console. The rear reading lamps are located in the headliner. or : Press to turn each lamp ...

    Driving on Wet Roads
    Rain and wet roads can reduce vehicle traction and affect your ability to stop and accelerate. Always drive slower in these types of driving conditions and avoid driving through large puddles and ...