https://onlineradiocode.com/seat-radio-code
https://m.youtube.com/watch?v=JepJ6vUbaP4
https://www.radiocodescalculator.com/seat-leon-radio-code-generator-online/
https://www.honestjohn.co.uk/forum/post/index.htm?t=105668
Or just search for yourself
February 2021