I have a Via 160, and just recently it has started the annoying habit of changing its screen all the time. Not the vibration of the windscreen as it flicked thru 6 windows last night while I was stationary. I have tried updating and a partial reset (as I dont want to loose all my saved POIs and favourites) but it still pleases itself what screen it goes to.
Also on the subject of favourites and POIs, I cant seem to find the Community Content icon to update and save these. Any help much appreciated.