Xenon bulbs do fade then go pop over time. Once they get to about 10 years old, the bulbs and ballasts can become temperamental, or fail completely, as I found out to my expense with my Passat recently. Your indicators are in there too and they have normal bulbs
Tape some hose pipe to the end of your hoover pipe, so you can get further into the light, and Incie should so be persuaded out of there.