Missileman, I think ur answer is the most practical so far, b/c I didn’t do anything different than I’ve done with any car I’ve owned in the last 40 yrs, and this is the first time I’ve had this problem, with only the windshield foggy, after sitting for hrs in the sun on a sunny, low humidty day (high of about 58 or so outside, that afternoon).
There was no sweet smell, no signs of any leaks on the carpet (or around sunroof), the ground was dry under the car where I parked, there were no passengers in the car at any time that day, and there have been thousands of times I have used a car w/o running the AC before I parked it, and this has never happened before, so I don’t think that is the main cause either.
I think there may be moisture trapped in the vicinity of the windshield, b/c of something being wrong, or I doubt if this would be happening. Again, the only fog is on the windshield (and it was completely fogged up), none of the other windows had any fog, and no other car in the entire crowded parking lot had any fog on any window or windshield. Something is wrong with my car, in the windshield area, this is not operator error or a coincidence.
Can a poorly sealed windshield cause this problem; any windshield “experts” out there?
Thanks to all who responded!