Scosche Blue Fusion Car kit, Bluetooth hands free integrated into GM vehicles with GM LAN radios makes the very BEST 2007-2009 GM car kit experience. Seamlessly integrated into the GM factory stereo, Scosche's Blue Fusion offers advanced capabilities: Using Scosche's Blue Fusion, you will see the caller ID displayed on the GM stereo factory screen and easily "answer" and "end call" with the buttons located on the GM steering wheel controls, or assigned buttons at a GM factory radio. Scosche's smart interface will switch itself to the correct source to view the caller ID. The interface menu offers the ability to check missed calls, dialed calls, and with select cell phones have full access to the cell phone contacts book. Contact list upload: Simple Cell Phone Book Synchronization if your cell phone has capability. Cell Phone Directory Scroll for contact Look-up is a big plus. Scosche Factory warranty of one year applies. It will be 20% restocking fee for electronics products without defects.