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Message: <blockquote data-quote="rpmnut" data-source="post: 476936" data-attributes="member: 20757">One of two things could cause the fogging:(1) Air cond is set to blow cold air to the windscreen - try switching the climate control from Auto to manual, leaving the air distribution control to blow air only at face level. That usually will solve the problem. But if after switching to manual air distribution and fogging still occurs, put your hand over the dash-top vents that blow air to the windscreen - it there's still a gust of air coming out of it, then your air distribution flap is probably busted. This, unfortunately, will need the whole dashboard to come out in order to fix it.(2) The rubber seal along the top edge of the bonnet is not sealing properly, allowing the hot air from the engine (blown back by the radiator fans) to blow against the cold windscreen, causing the fogging. Reason why I think it could be this is because you mentioned that the fog goes away once you start driving. As passing air from around the car cools the hot engine bay air before it hits the windscreen when you drive, the fog doesn't get a chance to form. Test it out and let us know how it goes. Good luck, bro!</blockquote>