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 an Advisor can run a check., and an Advisor can run a check.

    See also:

    Automatic Level Control
    The automatic level control rear suspension is available on light-duty vehicles and comes as a part of the Continuous Damping Control (CDC) suspension, if equipped. This type of level control is fu ...

    Recreational Vehicle Towing
    Recreational vehicle towing means towing the vehicle behind another vehicle – such as behind a motorhome. The two most common types of recreational vehicle towing are known as dinghy towing ...

    Windshield Wiper/Washer
    The front and rear wiper controls are located on the turn and lane-change lever. Turn the band with the wiper symbol to control the windshield wipers. : For a single wipe, turn to , then release. ...