Transponder High Security Key Blank Fits 2002 2003 2004 2005 2006 2007 Audi S6 S4 A4 This is about one uncut transponder high security key blank with a black plastic head, and the chip included inside the key, tested and ready to be programmed. You can take this new key with your actual working key to a professional locksmith or the dealership to cut, program and duplicate it. It Fits 2002 2003 2004 2005 2006 2007 Audi S6 S4 Warning: If your car has a Proximity FOB, which means you do NOT need the key to start the vehicle, or you can start your car pushing a button or turning a knob, then this key is NOT for your car. It also Fits 2002 2003 2004 2005 2006 2007 Audi A4 (Avant & Cabriolet models only) This key will fit only the 2002 2003 2004 2005 2006 & 2007 Avant and Cabriolet models only in the A4 model.