even changing 2 new headlamps might not solve ur prob. minute amount of water vapor may get trapped in ur headlamps after prolonged periods of non usage. mine did this when i got my car brand new from the PI. always fog up the interior of my headlites on rainy days and in the early mornings. no matter how they tried (open bonnet, spray water. close bonnet, spray again

) cannot find a leak. drove around for about a month then the prob mysteriously disappeared by itself. maybe can highlite this prob 2 ur agent and record it down on paper u have such a prob first. then drive around see if the vapor evaporates outta ur headlites after awhile.