I am new to this forum. Before opening a new thread I have read all the information concerning rattles, buzzes and other strange noises that are common on my car. I have been amazed that many people here have problems with this. Until now car was very silent, but since a month or so I have an annoying buzz, very low volume but noticable coming from (I think) the center dash on the center vents area I think. I have checked the following:   - There is nothing loose on the glovebox and ot