Frozen slices for 1001 times!

I know the topic has been dealt with more often and I was almost always involved to give clever advice. But now it’s my turn! As soon as the climate compressor is out and all the windows are closed, my windows will be milky up to colossal. If I have the glass roof in fan position, it’s okay. But in winter it’s not really pleasant. Blablabla…. I just wanted to know if at the face lift the air valve with a loud “plopp” closes I can’t see it when I take out the interior filter and so I don’t know if it works. And: how high is your set temperature? With the predecessor it was nice at 21°. Now the ECC is smokin’ at 24° and I’m still freezing! There’s something wrong…