OnStar Services

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Outside Heated Mirrors
When the rear window defogger is turned on, the driver’s and passenger’s outside rearview mirrors also heat to help clear them of ice, snow, and condensation. ...

Exterior Care
Cleaning Exterior Lamps/ Lenses Use only lukewarm or cold water, a soft cloth, and a car washing soap to clean exterior lamps and lenses. Follow instructions under “Washing the Vehicle” later in ...

Halogen Bulbs
WARNING Halogen bulbs have pressurized gas inside and can burst if you drop or scratch the bulb. You or others could be injured. Be sure to read and follow the instructions on the bulb package. ...