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:

    Care of the CD and DVD Player
    The use of CD lens cleaners for CDs is not advised, due to the risk of contaminating the lens of the CD optics with lubricants internal to the CD mechanism. ...

    Power Outlets
    The accessory power outlets can be used to plug in electrical equipment, such as a cell phone or MP3 player. There is one accessory power outlet located on the instrument panel below the climate ...

    Increasing Speed While Using Cruise Control
    If the cruise control system is already activated: • Move the thumbwheel up toward RES/+ and hold it until the vehicle accelerates to the desired speed, and then release it. • To incre ...