FortoyotaKEY Maker 4D chip, the operating step as follows: ( read the using step and the importance notice carefully) 1. Turn the ignition on with the right 4D chip key. 2. Connect the programmer to the OBD port of the car, there are some short beep sounds after power on. When the connection with the Computer of car is done successfully, there is a long beep sound in 3 seconds, and the LED?is on, as well as the anti-light SEC? which means the car is in the key programming state? 3. Take away the programmer from OBD. 4. Matches 2 pcs main key and 1 pc vice-key to the IMMO computer Notice: 2 new main key and 1 vice-key are needed to close the programming procedure? a) Close all the car door. b) Insert the first new main key to the ignition for 5 seconds. c) Insert the other main key to the ignition for 5 seconds. d) Insert the vice-key to the ignition for 5 seconds. e) The new ignition key will be confirmed by the new IMMO. Only program 1 or 3 main keys to the IMMO computer( Manual close the mode after complete the programming) a) Close all the car doors. b) Insert the new key for 5 seconds. c) Insert another new key for 5 seconds. d) Take out the key from ignition e) Insert the first programmed main key, and turn on the ignition for 5 times quickly, then take it out. f) The new ignition key will be confirmed by IMMO