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:

    Changing a Tire When Trailer Towing
    If the vehicle gets a flat tire while towing a trailer, be sure to secure the trailer and disconnect it from the vehicle before changing the tire. ...

    Instrument Panel
    A. Exterior Lamp Controls. Fog Lamps (If Equipped). Instrument Panel Illumination Control. Head-Up Display (HUD) (If Equipped). B. Air Vents. C. Turn and Lane-Change Lever. See Turn and La ...

    When to Change Engine Oil
    This vehicle has a computer system that indicates when to change the engine oil and filter. This is based on a combination of factors which include engine revolutions, engine temperature, and mile ...