ARANA Folding switch 4 buttons flip Remote Key FOB Case shell for Volkswagen Passat / Jetta / Beetle Golf 1998 1999 2000 2001 Before your purchasing,please make sure your key case is the same with the picture(expecially key type & buttons). Type:4 buttons;Folding key case; Just is the key case,no electronics or circuit board are included. Get blade cut by local locksmith/dealer or swap the blade with your original. Remove the internal electronics (include immobilizer/transponder chip) from your old key and put it in this case,then it is OK ! Perfect replacement for the original car and make your key like new !