Factory radio must have factory satellite radio compatibility and controls in order for this item to be compatible
Compatible Vehicles:Audi:Not compatible with MMI2006-2008 A3 with no navigation1998-2006 A4 (except Avant) (not compatible with round radio connector)1998-2004 A61998-2003 A82001-2007 Allroad2000-2008 TT (including navigation radios)