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:

    Audio System(s)
    Determine which radio your vehicle has and then read the pages following to familiarize yourself with its features. Driving without distraction is a necessity for a safer driving experience. By ...

    Securing an Add-On Child Restraint in the Vehicle
    WARNING! A child can be seriously injured or killed in a crash if the child restraint is not properly secured in the vehicle. Secure the child restraint properly in the vehicle using the ve ...

    Convenience Net
    Your vehicle may have this feature. A convenience net in the rear of your vehicle helps keep small items in place during sharp turns or quick stops and starts. The net is not designed to retain th ...