David,
I had the same issue on my S4, I raised this at the cars first service and seems to have been fine since. Not sure what was done though.
I've thought about it and can recall vaguely being told the issue is linked to the wiper jets, and water entering around the bulkhead.
John
Last edited by asbojohn; 05/04/10 05:05 PM. Reason: remembered why
