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:

    Safety Warnings and Symbols
    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 ser ...

    Maintenance II
    • Perform all services described in Maintenance I. • Steering and suspension inspection. Visual inspection for damaged, loose, or missing parts or signs of wear. • Engine cooling system in ...

    Ultrasonic Rear Parking Assist (URPA)
    For vehicles with the URPA system, it operates at speeds less than 8 km/h (5 mph), and assists the driver with parking and avoiding objects while in R (Reverse). The sensors on the rear bumper ar ...