BACAI 3 Buttons Panic Modified Flip Remote Key Shell for HYUNDAI Elantra Sonata Genesis Folding With Logo This item isn't a remote key and it is just a remote key shell case replacement Best replacement for a key with broken buttons or worn key case NO interior (remote / electronics / transponder chips) unit inside Please check your original key blade carefully before purchase, make sure your blade is exactly as same as pic shows!! Take the internal electronics(include immobilizer/transponder chip) from original remote and place them to our key shell!