As I said, put some tape over it.
Failing that, disconnect the bulb / take it out. How difficult can it really be? They are French, they manage. You are a proud English person (snivelling trough wiper, you) just get on and doooooooo it.
I'm with you on that one. It ain't rocket science. Even if it is a silly Frog track day rule. It'll be noise limits next
The "push all these buttons for 5 seconds" trick didn't work on my 06 bike

