Lonsdor K518ISE key programmer has programmed a remote key on a Skoda Superb year 2012. Simple procedure goes below:
Connect K518 host with vehicle via OBD diagnostic socket
Turn on Lonsdor k518ise
Select VW->Remote->Program Remote->Add remote
Turn ignition on
Press on Unlock button of the remote key for 1 sec within 15 sec
Program complete
Success.