Originally Posted by AfternoonShift
I've never heard of a windscreen cracking because of that lol
you can't be serious.
If its really cold below 20f, I'll wait a few mins then go.
Yes, I am dead serious. Have you never heard of thermal shock before? As others stated its especially true if the windshield already has a crack or chip in the surface. Any quick temperature change can cause the glass to crack.