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. ...

Window Lockout
This feature prevents the rear passenger windows from operating, except from the driver position. Press to activate the rear window locks. An indicator light will illuminate when the featu ...

Keyless Unlock
If the vehicle has the keyless access system, this feature allows you to select which doors will automatically unlock when you approach the vehicle with the keyless access transmitter and ...