My aftermarket headlights that I just purchased have had problems with condensation for some time now. All the rubber covers around where the bulbs are place are sealed tight and installed correctly. I did notice the small "vents" which were covered with what looks like some sort of venting patch. Its just a piece of fabric and seems to not be the tightest seal. What would be the best way to re-patch these vents with something more water-tight?
For reference I have a 2001 Impala.