For Toyota Lexus Smart Key Maker Programmer Keymaker 4D Chip 16 Pins OBDII OBD2

1. Turn the ignition switch "ON"using the key with the original 4D chip 2. Insert the key programmer to the car diagnostic interface OBD, and the instrument will enter into the procedure of car auto searching with a short sound of "Beep". 7 seconds later, the key programmer connect with the car computer successfully with the short sound of two or three "beep"After 20 seconds,the instrument will enter into the "learning key procedure" with a long sound of "Beep".