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.

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    All Vehicles
    WARNING! You can be injured and the vehicle could be damaged if you try to do service work on a vehicle without knowing enough about it. • Be sure you have sufficient knowledge, experience ...

    Fog Lamps
    To replace the front fog lamp bulb: 1. Locate the fog lamp located under the front fascia. 2. Disconnect the electrical connector from the fog lamp bulb assembly. 3. Remove the bulb by turning it c ...

    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 ...