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.

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    Features
    For most shoppers, the key feature will be the standard third-row seat. It has adequate room for children, but adults will not find it accommodating for more than a short trip. An optional second- ...

    Trip Odometer
    The trip odometer shows how far the vehicle has been driven since the trip odometer was last set to zero. Press the reset button, located on the instrument panel cluster next to the voltmeter, to tog ...

    OnStar Additional Information
    Transferring Service Push to request account transfer eligibility information. The Advisor can assist in canceling or removing account information. If OnStar receives information that vehicle owners ...