See also:

Power Outlets
The accessory power outlets can be used to plug in electrical equipment, such as a cell phone or MP3 player. The vehicle has four accessory power outlets. The power outlets located below the clim ...

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 minu ...

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 ...