Audi Genuine Accessories 8P0051444 iPod Satellite Adaptor 2006-2008 Audi A3, A4 Sedan, TT Coupe, TT Roadster Allows the customer to operate their i-product using the vehicle radio controls Song title, artist name are shown in the vehicle audio unit display Engineered for toughness and durability Only use in conjunction with Concert II and Symphony II radios; the CD changer and satellite radio features will still function with this product installed