and a good freeze and the windshield ices over and you take hot water or warm water out of the tap and thaw your windshield
You can't use hot water from the tap to thaw a windshield. 
mnli hypothesis: You can't use hot water from the tap to thaw a windshield.  premise: and a good freeze and the windshield ices over and you take hot water or warm water out of the tap and thaw your windshield