Ford Focus Forum, Ford Focus ST Forum - View Single Post - Remote Start during winter
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Old 01-26-2013, 09:01 PM   #9
suss6052
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Quote:
Originally Posted by AfternoonShift View Post
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.
If there is a chip or a crack already on the glass the sudden heating or cooling will cause it to propagate and spread across the windshield fairly easily. Also pouring warm water over ice cold glass can cause it to break sometimes also. Its about the sudden stress induced across the glass.
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