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Old Yesterday, 01:49 PM
 
10,130 posts, read 14,499,685 times
Reputation: 11138

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This is that time of the year and I just learned something.
How in the world do people even come up with this?


Anyhow.


Your car windows are fogging. very common issue around cold days and, you did not just come out of gym, perspiring heavily.


Here's 2 main reasons it happens:
1. your cabin air filter is getting clogged
2. cabin vents in the rear bumper are getting clogged or, outlets are covered with junk inside the cabin, so there is no air outflow.


That aside, here's how to prevent windows fogging:


Fella in this vid used shaving gel in upper left quarter and shaving cream in lower right quarter.

Both work same except that shaving gel is much harder to completely wipe off.


So here you go:



https://www.youtube.com/watch?v=SYkwYdPoM3Q
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Old Yesterday, 02:04 PM
 
Location: Eastern Washington
13,642 posts, read 43,511,218 times
Reputation: 11952
You can find anti-fog cleaners, but, yeah, most any sort of soap or detergent in small amounts will work.



More of an issue in more humid climates, and with more people in the car.
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Old Yesterday, 02:50 PM
 
Location: on the wind
5,120 posts, read 1,992,550 times
Reputation: 18019
Well, you could also just spit on the glass. Works for snorkeling face masks! But that's a lot of spit. If you have a big dog let him lick it.
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Old Yesterday, 02:53 PM
 
Location: Grosse Ile Michigan
25,394 posts, read 60,789,740 times
Reputation: 28192
Could also be a leaking heater core. Your prevention there is to replace it.
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Old Yesterday, 03:15 PM
 
Location: WA
5,329 posts, read 20,948,279 times
Reputation: 5722
On my car the answer is dehumidified air flow.... I just turn on the AC with the temp set as warm. Clears the windows quickly.
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Old Yesterday, 03:15 PM
 
Location: Wooster, Ohio
947 posts, read 700,492 times
Reputation: 1312
Also, make sure your HVAC is not set to Recirculate.

Water leaking into the cabin and/or wet floor mats can also contribute to fogging.
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Old Yesterday, 03:29 PM
 
727 posts, read 416,207 times
Reputation: 2475
And now for the old time answer....Open the windows an inch, to let OUT the moist air. You are breathing. right ? Unless it's minus 40 F you won't die.....
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Old Yesterday, 05:56 PM
 
55 posts, read 9,151 times
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Quote:
Originally Posted by cdelena View Post
On my car the answer is dehumidified air flow.... I just turn on the AC with the temp set as warm. Clears the windows quickly.

I do the same; that is, run the A/C, even in winter.
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Old Yesterday, 06:24 PM
 
Location: NNV
1,182 posts, read 742,919 times
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Quote:
Originally Posted by cdelena View Post
On my car the answer is dehumidified air flow.... I just turn on the AC with the temp set as warm. Clears the windows quickly.
^This...Often if you turn on the front defroster, the AC compressor will turn on also.
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Old Yesterday, 06:26 PM
 
Location: Metro Detroit Michigan
3,320 posts, read 896,820 times
Reputation: 2708
Quote:
Originally Posted by mapleguy View Post
And now for the old time answer....Open the windows an inch, to let OUT the moist air. You are breathing. right ? Unless it's minus 40 F you won't die.....
You’re correct been doing this since I’ve been driving doesn’t take rocket science to figure that out even if it’s raining a little crack isn’t going to get you wet or use the defrost.

Last edited by easy62; Yesterday at 07:39 PM..
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