Enter IMMO menu, choose the car brand and type.
Select from vehicle
Key programming type 2. If not know which type, you can try both, if get error, try the second one.
Free Pin Code.
Get the pin code OK.
Click OK to continue.
Click Yes to continue.
Add the 2nd key is OK, 3rd choose NO.
And another vvdi key tool plus review 2017 Seat Leon add key