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. ...

Anti-theft Alarm System
This vehicle may have an anti-theft alarm system. The security light, located in the instrument panel cluster, comes on when the system is arming. ...

Remote Keyless Entry (RKE) System
The RKE transmitter is used to remotely lock and unlock the doors from up to 60m (195 ft) away from the vehicle. Press to unlock the driver door. Press again within three seconds to unlock a ...