OnStar Services

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Older Children
Older children who have outgrown booster seats should wear the vehicle’s safety belts. The manufacturer’s instructions that come with the booster seat, state the weight and height limitatio ...

Rear Window Defogger
(Rear Window Defogger): Press to turn the rear window defogger on or off. The rear window defogger turns off automatically after about 10 minutes. If turned on again it runs for about five minute ...

How to Add Coolant to the Radiator
WARNING: An electric engine cooling fan under the hood can start up even when the engine is not running and can cause injury. Keep hands, clothing, and tools away from any underhood electric fa ...