OnStar Services

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Instrument Panel, Leather, Vinyl, & Other Plastic Surfaces
Use a soft microfiber cloth dampened with water to remove dust and loose dirt. For a more thorough cleaning, use a soft microfiber cloth dampened with a mild soap solution. Notice: Soaking or saturat ...

Emissions Inspection and Maintenance Programs
Some local governments may have programs to inspect the on-vehicle emission control equipment. For the inspection, the emission system test equipment is connected to the vehicle’s Data Link Conn ...

Headlamps, Front Turn Signal, Sidemarker, and Parking Lamps
A. Low-Beam Headlamp B. High-Beam Headlamp C. Sidemarker Lamp D. Park/Turn Signal Lamp To replace one of these bulbs: 1. Turn the tire to reach the access port cap located in the front of wheel ...