(1) close all the doors. (2) in 10s, the car key is plugged more than 6 times in the ignition switch, and then the danger warning lamp will flicker 2 times (attention should be pulled out of the ignition switch when the key is drawn each time; if the program is carried out too fast, the system will not enter the registration mode). (3) insert the car key into the ignition switch and switch the ignition switch to the ACC position. (4) push any button on the remote control, then the danger warning lamp will flicker 2 times, the old ID code is erased, the new ID code is input (at most can be input 5 ID codes, if the input ID code is more than 5, the earliest ID code will be erased). (5) then input the additional ID Code: open the lock and then relock again with the open / lock switch in the main switch of the electric car window; push any button on the remote control, then the danger warning lamp flashes 2 times, and the old additional ID code is erased and the new additional ID code is entered. (6) open the driver's side door and check the functions of the multi-function remote controller.