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Windows fog up too easily
- Thread starter rdrcrmatt
- Start date
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- Driving Dynamics Model S
Gizmotoy
Active Member
Did your F150 have climate control? Cars with full climate control can sometimes be tricky because they're doing things in the background you may not expect.
Secondly, running with the AC on (whether blowing hot or cold) reduces fogging, and given the AC uses a fair bit of power, I wouldn't be surprised to hear it uses the AC sparingly and is prone to fogging.
Secondly, running with the AC on (whether blowing hot or cold) reduces fogging, and given the AC uses a fair bit of power, I wouldn't be surprised to hear it uses the AC sparingly and is prone to fogging.
ken830
Model S 85, Model 3 Performance, Model X LongRange
"Nicer" cars are usually better sealed (more airtight), so it allows you (and other passengers) the ability to quickly fog up the windows.
Puyallup Bill
Member
Frequent cleaning of the inside of the windshield seems to help. Off gassing of some of the interior materials is probably the culprit.
No didn't know that was a thing.
And the F150 didn't have climate control.. all manual. The Grand Prixs did though.
Several cleanings of the windshield makes a big difference + I think the newer front vent would be better for colder climates / snowy areas.
mknox
Well-Known Member
I dunno. All of my "nicer" and well sealed cars have not had fogging issues. To my casual observation, it seems like mostly Civics and Corollas have fogging problems, at least in the winter.
I have found keeping the car off "recirculate" (i.e. on outside air) and keeping the fan speed relatively high aids in reducing the fog problems, even if not explicitly set to "Defrost" mode.
ken830
Model S 85, Model 3 Performance, Model X LongRange
I was merely pointing out the fact that fogging windows is caused by the excess moisture in the car (produced by passengers breathing) condensing onto the inside of the cold window (cold exterior temps). If cold, dry air is allowed into the vehicle, either by the HVAC system, or by "leaky" seals, then there will be less fogging. Your previous "nicer" cars just probably managed it better via the HVAC systems than your Civics an Corollas with manual controls. But if you turn off the HVAC, you'd definitely find more fogging in a better-sealed car. It's just physics. Which is a likely explanation of rdrcrmatt's experience in the OP.
Mike_Schlechter
Model S - P457
I've had mine since December of last year, and with the exception of trips with two adults, two kids and two labradors I've never had a fogging issue. I will say the pre-update defroster was a little weak. I guess the first frost will be here soon and I'll know if the new one is any better.
i requested the new vented defrost panel for the windshield, it made all the difference, a little more glare in the windshield on sunny days, however. The SC put it in for free.
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> trips with two adults, two kids and two labradors [MS]
Ah, to cruise by Home Depot early in the morning in the MS looking for laborers, now that's Class!
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you make me laugh!
darthvdr
Member
Had the MS for several months now and no fogging issues at least not any more noticeable than our other cars.
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