PAC NU-STS Navigation Unlock Interface for 2008-2010 Cadillac STS Unlocks Destination Entry Unlocks Bluetooth Key Pad Video Interfacing Navigation Unlock Interface for 2008-2010 Cadillac STS Unlocks factory navigation features of Cadillac STS radio for use by the passenger at any time Allows the Factory Navigation, DVD and Reverse Camera features of your Cadillac CTS radio to be used by the passenger at any time 2008 - 2010 Cadillac STS with factory installed navigation radio Text displayed on instrument cluster to Confirm Safe Use by the passenger of unlocked navigation features