See also:

Cellular and GPS Antennas
Avoid placing items over or near the antenna to prevent blocking cellular and GPS signal reception. Cellular reception is required for OnStar to send remote signals to the vehicle. ...

Center Dome Lamps
There are front and rear dome lamps. The dome lamp controls are located in the overhead console. To change the settings, press the following: : Turns the lamp off, even when a door is open. : ...

Automatic Door Locks
Vehicles with an automatic lock/unlock feature enable you to program the vehicle's power door locks. This feature can be programmed through the Driver Information Center (DIC). See Vehicle Personaliza ...