I suddenly had two warnings at the same time: service ESP system and service ABS system.Sensor was replaced, rust was removed. about a month later, same two warnings re-appeared. Now the complete ABS ring of the bearing has 'rotten away' (dealers words). Complete hub has to be replaced. Is this norm...

black, although it actually is a bit anthracite. At least it's not really black black

yes, the stick needed reformatting. So, that problem is solved...

But, the question remains: what is error 2 ? why is it not in the manual

I have been playing my USB stick for years.
Now suddenly I also get the Error 2 in my display.
What is Error 2? it's not in the manual.