Had a quick look on the forum to see if this has been raised before. I've had my S Line A3 for a month now, one of the things it was praised on was its solid interior build, and ironically I'm now being driven mad by my interior mirror which is rattling/vibrating pretty much all the time when I'm driving. Its the auto dimming type. When i hold the mirror tight in my hand the noise stops, but I don't have any ideas as to how I could tighten it up and get it sorted permanently? Anyone else had this problem?