In January of 1971 I visited friends in Michigan's UP. When I got in my car in the morning there was ice on the inside of my windshield. My friends laughed when I expressed concern. They considered it normal.
Only observed it in really cold temps and high humidity area.
If it were to happen around here, I'd be concerned about somehow water leaking into the interior from somewhere, enough to frost on the luvverly wintry temperatures locally.
Just the act of breathing can frost the inside of a windshield fast in really cold weather. I could see that easily happening in a JK considering how much closer you're sitting to the windshield.
Ah yes!
The days/weeks of sub-zero temps in MN with only a small Toyota 4 cylinder engine... I fondly (sic) remember the days of sitting in the vehicle for 20 minutes to get it functional. By the time the engine warmed up enough to thaw the transmission, your windshield was defrosted (inside).
Thank God for fuel injection and synthetic oils ( I was too poor back then to afford fancy synthetic oil).
its been cold the past couple of days and so far, no frost on inside anymore.
I leave my climate on auto @ 67 degrees.
In the mornings, I obviously use the windshield defroster and rear defroster. But I usually turn them off about halfway to work, which is like a 6-7 minute commute.:slapfight:
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