Hummer_h3,
What is asinine is that people assume an answer to be asinine. If a mug joins the forum on July 12, 2006, and on October 9, 2006, his second, of only two, post asks the question how did people, "smarter" than him (his words and not mine), figure out how to keep dust from building up on the Z1 screen, then asking if he has the windows up or down, and if he has A/C or not, are valid questions and not asinine. I thought Fanito's reply was funny and not asinine. I even took it as directed towards me and not phatmonkey. However, I saw the non mean-spirited comedy in what Fanito said. Dust is dirt. There is a lot of dirt outside (sort of why clean rooms are enclosed). Driving a car down the road in Lexington, Kentucky or anywhere else for that matter will expose you, your car and your AVIC-Z1 to dust (windows up or down). You will get more if you have the windows down. Skin shedding off of you forearms and dandruff from your head will also create dust in the car that can then get on your Z1 screen. The air vents will blow dust around. My point in all of this is that the question was almost a rhetorical question. There is nothing that will keep dust from building up. Anti-static cloths can help, but they do not STOP dust from building up. It may SLOW down the dust from building up. Why not suggest that he carry around a case of canned compressed air to blow the dust off of the screen every minute? If someone gets online and claims that he dusts his Z1 screen and then a minute later it is all dusty again (to the point where he can hardly see the screen in the daytime), I feel it is fair of me to ask if he is serious. 1-minute (60-seconds) later seems excessive and would cause me to ask if the windows are down and so on, and so on. I digress ... go get a eyeglass cloth, wipe your screen and enjoy the fresh Kentucky air. :D