Window frost from the inside - Page 2 - Hyundai Ioniq Forum
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post #11 of 18 (permalink) Old 28-03-18, 03:49 PM
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This may not have anything to do with the problem, but I'll share.

One time I had terrible moisture problem inside my car (Alfa Romeo), even drops of water on my feet, I looked and looked and just couldn't figure it out. One day this guy at work crawled under the car and found that the rubber drain tube for the air-con evaporator was blocked. A quick snip to clear the blockage allowed the condensation to drain properly, and no more moisture issue inside the car. It was in the tropics and the air-con had to run all the time.

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post #12 of 18 (permalink) Old 28-03-18, 03:52 PM
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How about something like this?
https://www.rainx.com/product/glass-...ainx-anti-fog/

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post #13 of 18 (permalink) Old 29-03-18, 07:04 AM
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Originally Posted by IsntItIoniq View Post
Collected water on the glass is better than collected water in the electronics... I'd rather keep it on the glass, if it were me...

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post #14 of 18 (permalink) Old 29-03-18, 08:26 AM
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Collected water on the glass is better than collected water in the electronics... I'd rather keep it on the glass, if it were me...
I suppose.. when you put it like that.

I doubt that keeping it off the glass automatically means more water ends up in the electronics, at least in not any significant way. I suppose the only way to be completely sure is to use one of the dehumidifying bags.

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post #15 of 18 (permalink) Old 29-03-18, 09:45 AM
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Originally Posted by IsntItIoniq View Post
I suppose.. when you put it like that.

I doubt that keeping it off the glass automatically means more water ends up in the electronics, at least in not any significant way. I suppose the only way to be completely sure is to use one of the dehumidifying bags.
Well it's moisture in the car. It doesn't form because it's glass, it forms because it's quicker to form on glass.
If it's not on the glass it HAS to be on other things - usually things less resilient to water ingress.

So dehumidifying is the best solution.
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post #16 of 18 (permalink) Old 20-02-19, 10:15 AM
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Hello everyone,

I got my Ioniq EV Cold package on Dec. 16th. I'm loving it so far but there has been one issue.

With this crazy cold weather and temps less than -10. Whenever I park outside, by the time I return to the car all the windows have frost on the inside. I then have to run the heater for a while until it melts enough so I can see.
While I drive I have it on the windshield/feet setting and around 22 C depending on how cold it is. I turned of the ADS as I found it really annoying and got complaints by passengers that it was cold while it was on. Also the manual says that it doesn't work properly in temperatures colder than -10.
While driving I always need to have defroster setting on otherwise everything starts fogging up immediately.

So I'm wondering if I'm doing something wrong, but this has never been an issue with any other cars I've owned, and in a parking lot no other car appears to have this issue either.
The next thing I'm thinking is, that maybe the mats I bought retain the water from when the snow melts more than other cars and when the car is off the moisture sticks to the windows then freezes.

I'm going to reach out to the dealer this week coming up as it's really annoying and I have to waste time and battery to heat up the car like 5 mins whenever I park outside.

Thanks
Did you ever end up fixing the issue? What did the dealer say and do for you?

I also have the EV and have the same problem with the inside of the windshield frosting up. Sometimes its nothing, just a little, or sometimes its the whole front windshield inside thing that is covered with a thin layer of frost that I have to turn the heater up front on the warmest temperature at highest speed. Is indeed very annoying.

I do have the Ioniq rubber mats, I suppose the water from the mats are possibly the cause, but I try my best to get as little inside as possible.

Let me know thanks!
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post #17 of 18 (permalink) Old 04-03-19, 10:40 PM
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This is what I had to deal with this morning, a windshield full of frozen frost on the inside... So annoying. Haven't had time to go to the dealer yet and ask.
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post #18 of 18 (permalink) Old 05-03-19, 06:27 AM
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Originally Posted by evioniq View Post
This is what I had to deal with this morning, a windshield full of frozen frost on the inside... So annoying. Haven't had time to go to the dealer yet and ask.

For this to happen there must be water trapped in the car, e.g. from snow on footwear, and it only needs a small amount <1/2 a cup, which evaporates and freezes on the inside of the windscreen. Stop water getting into the car and you will not have this happen.

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