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Interior & Glass Discuss All your Interior Issue - Dash - Seats and All the Car Glass Areas - Interior Dressing, Leather etc

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Old 02-10-2019, 03:30 AM   #1
lijongtao
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Foggy Glass

My VW Passat is terrible when the weather gets cooler as the windscreen keeps fogging up.

I have a new AC filter in, regassed too and tried Rain X Anti Fog but still it fogs up.

I intend to clean the glass with AG Glass Polish, then what can I try to keep the window from fogging?

Thank you li
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Old 02-10-2019, 08:33 AM   #2
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carpro fog stop is pretty good -

you might need to get a something to absorb moisture - you can use like cat litter in a sock under the seat to help with any moisture in the car , or you can buy bags of white silica gel type packs
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Old 02-10-2019, 09:34 AM   #3
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As Whizzer said CarPro Fogfight isn't too bad, I've recently bought some of it and I've been playing around with it on bathroom and car glass.

You need to get the glass spotless before applying it for it to work at its best, and it does work well, however it's got a short lifespan and fails quickly if you touch it with a cloth with any remnants of oil or silicon on it (so definitely don't touch it with your hands after application).
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Old 02-10-2019, 01:03 PM   #4
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As Whizzer and FatBoy40 said, but you could try this.

Keep your AC on all the time whilst you are driving but vary the temp to suit.

About ten minutes before your journey ends, move the ventilation system to blow at your feet, let it blow for 2 - 5 minutes and then switch your AC off, keeping the setting at your feet.

It will help to keep the interior of all your glass clean and give all your interior door seals a wipe down too.
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Old 02-10-2019, 01:12 PM   #5
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Originally Posted by Zebra View Post
As Whizzer and FatBoy40 said, but you could try this.

Keep your AC on all the time whilst you are driving but vary the temp to suit.

About ten minutes before your journey ends, move the ventilation system to blow at your feet, let it blow for 2 - 5 minutes and then switch your AC off, keeping the setting at your feet.

It will help to keep the interior of all your glass clean and give all your interior door seals a wipe down too.
Altenatively open a window
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Old 02-10-2019, 06:59 PM   #6
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A/C is the best control.
There was a time when most cars did not have the option to have A/C available on hot and cold except Jap cars for one that comes to mind.
Travelled with quite a few people that had no idea the A/C could be used on hot to dehumidify. Always came as a shock to them
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Old 03-10-2019, 02:07 AM   #7
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Thanks all

The AC does clear the glass but in winter it gets freezing with it on and if I turn it off after it clears the glass it soon becomes foggy again. Quite a few folk on the VW forums have fog problems when the weather turns.

Will give the glass another clean with some AG Glass polish and try what's suggested. Also heard of CarPro Fog Fight Anti Fog today, will give it a go.
Thanks a million, I appreciate it. Li
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Old 03-10-2019, 11:13 AM   #8
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Quote:
Originally Posted by Itstony View Post
A/C is the best control.
There was a time when most cars did not have the option to have A/C available on hot and cold except Jap cars for one that comes to mind.
Travelled with quite a few people that had no idea the A/C could be used on hot to dehumidify. Always came as a shock to them
Not if the heater matrix is knackered
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Old 09-10-2019, 09:51 AM   #9
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To hyjack this post somewhat, what are peoples thoughts on the different Anti-Fog products out there. I cant find a good comparison review of them?
My priority is durability more than anything, as I don't get to clean the Mrs car as much as I would like, and it oculd be 3 month between reapplications.
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Old 09-10-2019, 10:01 AM   #10
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Mat did a comparison with some strange products that have been recommend in the past
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