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:

    Universal Remote System Operation
    Using Universal Remote Press and hold the appropriate Universal Remote button for at least half of a second. The indicator light will come on while the signal is being transmitted. Erasing U ...

    Heated Steering Wheel
    For vehicles with a heated steering wheel, the button for this feature is located on the steering wheel. (Heated Steering Wheel): Press to turn the heated steering wheel on or off. A light on ...

    Overheated Engine Protection Operating Mode
    This operating mode allows the vehicle to be driven to a safe place in an emergency. Should a hot engine condition exist, an overheat protection mode which alternates firing groups of cylind ...