iSimple ISVW571 Gateway Automotive Audio Input Interface Kit for 2006-09 Volkswagen Vehicles Keeps the Factory Radio Intact Plug-and-play interface eliminates the need to replace the factory radio, maintaining the vehicle's original look and feel. Saves Time and Money Cutting-edge technology and compact size provide huge advantages over buying and installing a new stereo with similar capabilities. In Most Applications Retains Original Vehicle Features Advanced capabilities retain and all safety and convenience features tied to the factory system.i.e.OEM Satellite, Rear Seat Entertainment, and CD changers (please check vehicle compatibility notes) Provides Multiple Entertainment Options Additional auxiliary input connects MP3 players, satellite radio tuners, DVD players, navigation systems and other portable media to the vehicle.