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.

    See also:

    License Plate Lamp
    To replace one of these bulbs: 1. Push the left end of the lamp assembly toward the right. 2. Turn the lamp assembly down to remove it from the fascia. A. Bulb Socket B. Bulb C. Lamp Assembly ...

    Power Windows and OtherPower Options
    Circuit breakers protect the power windows and other power accessories. When the current load is too heavy, the circuit breaker opens and closes, protecting the circuit until the problem is fixed ...

    Danger, Warnings, and Cautions
    Warning messages found on vehicle labels and in this manual describe hazards and what to do to avoid or reduce them. Danger indicates a hazard with a high level of risk which will result in ...