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:

    Heated Steering Wheel
    The vehicle may be equipped with a heated steering wheel. (Heated Steering Wheel): Press to turn the heated steering wheel on or off. A light on the button displays when the feature is tur ...

    AVG (Average) Speed
    Displays the average speed of the vehicle in either kilometers per hour (km/h) or miles per hour (mph). This calculation is based on the various vehicle speeds recorded since the last reset o ...

    Servicing the Airbag-Equipped Vehicle
    Airbags affect how the vehicle should be serviced. There are parts of the airbag system in several places around the vehicle. Your dealer and the service manual have information about servicing th ...