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A comment on Warming up your car before driving in cold weather can damage the engine. Parent comment

Re:Warming up your car before driving in cold weather can da... by BeetleB on Sunday December 25, 2022 @05:21PM (#34132089)
> I need fog free windows

You don't need to warm the engine much to get that. It will clear up even with cold wind blowing on it.

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Re:Warming up your car before driving in cold weather can da... by danaris on Sunday December 25, 2022 @07:12PM (#34133021)
That specifically talks about using the AC, because it's dehumidified air. The AC also requires the engine to be running, so blasting the windshield with hot air or air-conditioned air will require running the engine for roughly the same amount of time.
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Re:Warming up your car before driving in cold weather can da... by BeetleB on Sunday December 25, 2022 @07:29PM (#34133158)
I don't know about your car, but it takes less than a minute to defog my windows. I don't think anyone is claiming that running the engine for a minute is bad.
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Re:Warming up your car before driving in cold weather can da... by theGnuMe on Sunday December 25, 2022 @08:29PM (#34133548)
Try ice on the inside of your windows.
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Re:Warming up your car before driving in cold weather can da... by gnomewrecker on Sunday December 25, 2022 @10:02PM (#34134104)
It was -15 degrees F the other morning and the inside of my windshield was ice. It took far longer than a minute to clear. Also took far longer than a minute to reach a tolerable temperature, even in decent garb!
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Re:Warming up your car before driving in cold weather can da... by danaris on Sunday December 25, 2022 @10:32PM (#34134274)
Yeah; this is going to depend heavily on local conditions.
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