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. ...

Trip Odometer
A trip odometer show how far the vehicle has been driven since the odometer was last set to zero. See Driver Information Center (DIC) for information on resetting the trip odometer. ...

Safety Locks
The rear door safety locks prevent passengers from opening the rear doors from inside the vehicle. Press to activate the safety locks. The indicator light will illuminate. This switch also di ...