TOOGOO(R) Replacement 3 Button Keyless Entry Remote Control Folding Flip Car Key Fob Shell Case Combo Compatible with HYUNDAI i20 i30 3-Buttons Best replacement for a key with broken buttons or worn key case. Perfect replacement for the original motors and make your key look like the new one. There is NO interior (remote/electronics/transponder chip)unit inside. Just cut the key blade, take the internal electronic(include immobilizer/transponder chip) from original remote and place them to our key shell, then you are ready!