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:

    Washer Fluid
    What to Use When windshield washer fluid is needed, be sure to read the manufacturer's instructions before use. If operating the vehicle in an area where the temperature may fall below free ...

    Selective Ride Control
    The vehicle may have a ride control system called Selective Ride Control. The system provides the following performance benefits: • Reduced Impact Harshness • Improved Road Isolation • ...

    Other Information
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