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:

    Brake Pedal Travel
    See your dealer if the brake pedal does not return to normal height, or if there is a rapid increase in pedal travel. This could be a sign that brake service might be required. ...

    Playing a DVD-A (Audio) Disc
    The Radio with DVD Audio, HDD, and USB is capable of playing DVD audio discs in the Bose® 5.1 Cabin surround sound system. Insert the DVD audio disc into the CD/DVD player. DVD Audio displa ...

    Front Fog Lamps
    The front fog lamp button is located on the exterior lamp control, on the outboard side of the steering wheel. The ignition must be on to turn on the fog lamps. (Front Fog Lamps): Press to ...