Customer problem: I purchased Xhorse Vvdi Key Tool Max Pro at your company. I have an XM38 universal smart key. I don’t know how to register Toyota RAV4 (4D transponder). I tried various items. However, I cannot change to a 4D transponder. And all of a sudden it was 434Hz. What i want is he … Continue reading How to Register XM38 Universal Smart Key with Key Tool Max Pro?