KeylessOption Key Replacement Uncut Ignition Chipped Transponder Blank for Toyota 4C Replacement Uncut Ignition Chipped Key Transponder Blank This key requires dealer or automotive locksmith cutting and programming. See product description for a complete list of vehicles this part is compatible with. Please make sure your vehicle does not have an ignition guard which would prevent this key from being inserted all the way. Replaces 4C Transponder Chip This is a replacement part to match the original in form and function