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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    Lap-Shoulder Belt
    All seating positions in the vehicle have a lap-shoulder belt. The following instructions explain how to wear a lap-shoulder belt properly. 1. Adjust the seat, if the seat is adjustable, so you can ...

    Hitches
    Use the correct hitch equipment. See your dealer or a hitch dealer for assistance. . The rear bumper on the vehicle is not intended for hitches. Do not attach rental hitches or other bumper-type hi ...

    Three-Way Calling
    Three-Way Calling must be supported on the Bluetooth phone and enabled by the wireless service carrier to work. 1. While on a call press . The system responds with “Ready” followed by a ...