LEXUS Master Key diamond swappable remote interior
13 in 1, can switch to the models you want, in order to reduce inventory

User manual: 1.Press the LOCK button and not lose;
                          and then
                         2.Press the UNLOCK button 6 times, each times time interval More than 1 seconds；
                         and then 
                         3.Lose the LOCK button;
                        if your operation is correct  the LED ligth will keep ligthing about 45 second.
                         and then 
                          4.Press the LOCK button , 1 or 2 or 3 .....13 times. the mode will change from 1 to 13 type.