Hello, Since recently the windscreen wiper from my Renault Megane CC year 2005 does not work anymore. Of course I noticed only when I came into a rain shower. Neither the automatic nor the interval works, after a short ride through the rain it started to smell funny in the interior. I assume that the windscreen wiper engine has worked at least until then and therefore wanted to look at the windscreen wiper stick, since I have read more often d I have solved the nut and sprayed the thread with WD40, now nothing more is happening. Unfortunately, I have already had bad experiences with the Renault workshop near me (Berlin Spandau) (Wanted to replace the steering gear even though only one cathedral bearing was defective and needed 5 working days to exchange a door handle), so I didn’t want to go there for the first time, but now I have the worry a little So how do I get the windshield wiper arm off without breaking anything?