Originally Posted by seanblee
Are the top covers fitted properly? I used to get this occasionally with my previous car - I just waited for a hot dry day (unlikely I know!) then took the covers off and blasted the front covers with a hair dryer until they were completely clear, left the covers off for a few hours with the lights in the sun then put them back on. I didn't have any problems for the next couple of years after doing this.
thanks for the suggestion i will check but the car was new in dec 2011 so the covers should have been secure from the factory as should the replacements