HQRP 3 Buttons Key Fob for Audi A4 2001 2002 2003 2004 01 02 03 04 Folding Flip Shell Remote Case plus HQRP Coaster HQRP&reg; Folding Key FOB Shell Remote Case w/ 3 Buttons plus HQRP&reg; Coaster; 3 Buttons: Lock, Unlock, Panic; Easy to install; Uncompatible with small battery holder; Please note there is NO interior (remote / electronics / transponder chips / battery) unit inside. Premium quality detachable flip key remote case and uncut key blade. 100 days warranty!