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:

    Washing the Vehicle
    To preserve the vehicle's finish, wash it often and out of direct sunlight. Notice: Do not use petroleum based, acidic, or abrasive cleaning agents as they can damage the vehicle's paint, m ...

    Driver Efficiency Gauge
    For eAssist vehicles, this gauge assists in driving efficiently and will vary based on driver input. To maximize efficiency, keep the gauge pointed in the solid green zone in the center of ...

    Hazard Warning Flashers
    The hazard warning flashers let you warn others that you have a problem. The hazard warning flasher button is located in the center of the instrument panel above the radio. : Press to make the ...