Heart Horse 3 Button Flip Key Fob Remote Case Shell for Lexus IS200 LS400 RX300 GS300 HYQ12BBT, HYQ1512V FCC ID HYQ12BBT, HYQ1512V BUILT TO LASTThis may very well be the last Lexus key you'll ever buy, built out of P.E.T plastic (Polyethylene terephthalate) it will definitely withstand the harshest environments EASY INSTALLATIONAll you need to do is to get the blade cut at an automotive locksmith or a dealer and put inside electronics and chip from the old remote. NO NEED TO RE-PROGRAM Transfer the electronics from your original key, then it will be ok; The two parts of the case come separately. No need to take them apart when you transfer the insides. FitmentLexus ES 300 (1998 - 2003) ES 330 (2004 - 2006) GS 300 (1998 - 2005) GS 400 (1998 - 2000) GS 430 (2001 - 2005) GX 470 (2003 - 2009) LS 400 (1998 - 2000) LS 430 (2001 - 2006) LX 470 (1999 - 2008) RX 300 (1999 - 2003) RX 330 / 350 / 400h (2004 - 2009) SC 300 / 400 (1998 - 2000) SC 430 (2002 - 2009)