So I already mentioned in some threads that I have problems with my display windows, a “solution” link but there is not an easier way to stop the squeaking of my display windows? So that was now the smaller problem now to the main problem why I also opened the thread. So I have pure water in my wiper system, yes I hear you already scream, but I filled it up as here were 12°C and I didn’t think about Frost. Well, of course, I’m not thinking about Frost. Efroren, what should Shit Happens. BUT now come on, I tested once if they are really tight, they were, no water came. Press the wiper again, nothing happens, no other setting, rear windscreen wiper nothing, any positions don’t work, but the button for the rear window heater. So now start to tingle what to do!