tesla Does anyone else have constant windshield fogging & freezing issues? In the Nordics this is unbearable. MY20/SLR
Does anyone else have constant windshield fogging & freezing issues? In the Nordics this is unbearable. MY20/SLR
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Does anyone else have constant windshield fogging & freezing issues? In the Nordics this is unbearable. MY20/SLR
Tap defrost two time and it turns on a heated version of defrost.
I hope this isn't the issue.
It so often is in this sub
why read the manual when what I really want is an excuse to complain online? /s
edit: jokes aside a lot of car owners, not just tesla owners don't know how their hvac works. even recirculate/vent outside air on the dial is not used. Please google/youtube videos on how defrost and defog functions work for your rear and front windshields.
Why make a function that you need every day 8 months of the year hidden behind a function that you need to read a manual to find?
Oh maybe because the Tesla was designed by a bunch of guys in Southern California?
Heated windshield? Find it yourself. Heated steering wheel? Go fuck yourself.
I know stuff. I did not know this. Thanks.
I thought most people knew this..? 🤷♂️ glad to have been able to help though!
The blue defrost actually uses your set temp; red maxes out heat and fan
There is a non heated defrost? Btw i do not have this problem on my model s.
As I understand, single-tap defrost is basically "auto climate but blow it on the windshield". Double-tap defrost is "max heat on the windshield".
We tap all the things 2 times now. It’s like living art and Elon getting back at us for the 2 weeks jokes.
It’s always been like this. In the old UI defrost turned blue for one tap, red for two taps. Red means heat.
I thought it was just max defrost like all defrosts with other cars. Regular defrost uses whatever the temp of the car is set at, no?
No it blows cool air. The first setting is defog
TIL
That's a myth. The first setting blows warm air, same as the temperature you set your climate to. The second setting blows max temperature air at max speed. Explanation: https://youtu.be/0gff-FG_k9g
It wouldn't be a defogger if it blew cold air lol. That would just fog up the windshield even more.
Good point. It’s “cool” relative to the hottest temperature mode.
“2 weeks” was never a joke… they literally run on a 2 week development cadence called a “sprint”. The internet community turned it into a joke and beat it to death because of a misunderstanding of what was being said.
Exactly, in Agile software development, that’s the standard sprint - 2 weeks
Agile only works in tech that isn’t all that “important”. I.e., if it’s tech that can kill someone, it shouldn’t be part of Agile.
As someone who works agile in tech, why do you think that?
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Tap tap.
Press and hold.
Swipe.
Nope. Still a POS design.
Then the UI changes and now we have to tap 4 times
And then they down vote you for talking bad about Elon.
Thank you I had no idea .. no I don't own one yet
Oh, totally intuitive.
First car that’s had heated and cooled defoggers?
most cars operate them in heated/cooled mode automatically.
even my old Cruze does this automatically depending on the temperature and humidity.
Also nothing new, the defog/defrost operation has been like that over 2 years.
Do you know why it's this way? I'm from a cold climate and never used a cold air version of the defroster, always hot air. Is it something useful in warmer climates?
Cold (dry) air is faster at defogging the inside of the window. Warm is for wanting to de-ice the outside. Heating air is not very efficient and it takes a lot of energy to heat the glass, when a lot of time what many people really want is to just defog the inside of the window quick.
Yes. When it’s all swamp ass outside and humid af, and the temp is on the warm but not super hot side, you get fog as well. The ac air clears it.
The windshield defroster distributes air flow to the windshield. Touch once to defog the windshield (the icon turns blue). Touch a second time to defrost the windshield (the icon turns red and the heating and fan operate at maximum levels). Touch a third time to turn off and restore the air distribution, heating, and fan to their previous settings. In cold ambient temperatures, the exterior side mirrors are also heated whenever the windshield defroster is operating.
As others say, either use defrost, or manually adjust the temperature, outputs, and fan speed so that you get warm air flowing over your front windshield.
It’ll consume more power, but it will be usable.
On long trips I recommend turning on the rear heat as well, stops you from getting a cold draft from the back.
In V11 this has moved to the “rear” portion of the climate screen. It used to be blower and heaters, now it is front and rear (except you turn on the rear+mirror defroster front the “front” page).
Tesla tests mostly in California and Alaska. Neither are representative for Nordic climates and salting behavior.
They should test also in Nordics. Car would be so much better.
If I’m not mistaken they do test there. Before the model 3 came out there were spy shots taken in Norway or Sweden.
I live in nordics and the model 3 does great in winter. Even with freezing rain like in the video. Just turn on the windshield defroster like you have to do in any other car and you’re golden
i actually find the defrost in my M3 to be extremely effective (Chicago)
BMW?
That joke’s so old the last time I heard it I fell off my dinosaur.
😂 chill it was a shit joke, although the 'M3' is most notably a BMW performance car.
Model 3
Is your defrost on?
Blow heat to your window...? How cold are you talking about? We got no issue here with -25c winter in my 2018 RWD.
Temp was approx -5c (23f) when the video was recorded. HI setting was active. Last winter I had zero issues when driving to Lapland where it was constantly below -25c (-13f). I’ve tried the auto mode, which activates the a/c and the cabin gets really cold. In manual mode it’s a bit warmer but still not warm enough to keep the windshield from fogging. And I must say that it is not blowing too well… I think that in general heating & a/c changed in Aug after a software update, but it is impossible to say for sure. In Finland there’s been a lot of issues with M3 with heatpump. Tesla is trying to solve it with a software update. This makes me think that maybe some ”Cold Weather Update” is the root cause for this issue as well. I’ve service appointment pending since there is still warranty period left.
That's not very cold for this to be happening like that.
It's either:
User error. You're actually just not using the correct settings.
Mechanical/software failure. It can't get hot enough.
Is your airconditioning cooling?? If it is not cooling, the system will not be able to pull humidity from the air. Check if you have water ingress somewhere.
Both of these will result in a really humid car, and issues with wid ows covered by fog and/or ice.
Just use manual mode, I never really liked the auto even in 2018 model... Nowadays I just set it to 18c and set the fan speed at 2, seems to work isn't fine. When I need to defrost, I turn them on manually.
You’re not using your defroster right.
Most here will say you need to double tap the defroster to get it to defrost with hot air, but I actually dislike that because it gets WAY too warm.
Instead, tap the uppermost airflow direction. Leaving it at 3 has kept my windshield totally frost free while driving across WA, ID and Montana in -15F (-26.1C).
Make sure you’re preconditioning the car for 10~ minutes before you depart too; this makes all the difference in the world. A cold Tesla takes a long time to get chugging, and if the frost is very intense, you’ll waste a lot of battery, time and heartache trying to overcome it.
Yeah, double tapping used to do the trick but it is not getting as warm as before. I have a cool +5c carage (I’m not heating it too much during the winter) and I’m preconditioning the car before driving. For some reason the a/c is always on eventhough it’s cold in the carage. Thus the cabin gets pretty cold during precond and as soon as I’m on the road a/c is swithed off (due to cold weather -10c and below). Then the fogging & freezing begins… there has to be some hw or sw issue since the car worked like a charm last winter. Much better than my previous BMW or Merc ever did.
Use winter windshield washer fluid.
Don't buy that stuff. Just add a bottle of 99% isopropyl that costs $2. The winter mix is just more alcohol content possibly with a bit of methanol.
Or don’t use premix at all and use concentrate to mix it yourself depending on the conditions
Genuine question, why mixing your own when you can get a can of 1 gallon premixed washer fluid for less than $5?
Also increase your ambient temp. Start the heat before you leave and set to at least 78 degrees. Or fjorpen or whatever you call it there.
What’s 78° in Celsius?
25.5. You’re welcome.
Hey! We speak in murica here! 🤠
The bigger question is, what’s Celsius?
Wikipedia says this “Since 1743 the Celsius scale has been based on 0 °C for the freezing point of water and 100 °C for the boiling point of water at 1 atm pressure”
That sounds good let’s try 78°C. Might want to crack a window a little though.
Can’t tell if you got downvoted because people missed the obvious joke or they downvote jokes they think aren’t funny.
Lol the rest of the planet
What’s google
Sad how so many ppl don't know about defrost
Mine improves if I am using fresh air and not cabin air.
There’s a button for that.
Can’t really speak to the freezing issues but if you have fogging the pro tip is to turn on the AC compressor. It removes moisture from the air and it defogs the window very quickly. The heating element heats the air up anyway. Maybe not quite as hot but at least you can see.
Works absolute fine in the Nordics. Drove 3 days with -10 during Christmas - no problems at all. Have you been overruling the heating auto settings? Forgot to pre-heat maybe?
NB: Seems there have been an software issue with latest update affecting some of the heat pump equipped units. Will be fixed with Update 2021.44.30
Was told a week or so ago in a tesla service sms that a new update was coming to address heating issues and tonight it came. Will install tomorrow. Am in Sweden. But actually no heating issues for my MY LR yet and its 1 month old.
Since you mentioned freezing I’m guessing it’s freezing rain, but if the only issue was the fogging then as long as you set the A/C to auto and leave on like 20°C then you should be fine.
I do a lot of winter driving and this is either user error (running Defog instead of defrost) or something wrong. You should be able to set auto to a comfortable temperature and then only toggle defrosters as needed. I’ve found once it clears, they’re hardly needed again.
Live in chicago. Drove through a few polar vortex days last year and never had that problem. Just use hot air defrost.
I get fog a decent amount of the time. Especially if I'm stopped for a while. And when I go to supercharge in the cold, INSTANT SAUNA WINDOWS. Not sure what causes it, but I usually just bump up the temperature in the cabin. Usually have it around 66 and bump it to 68.
Put rainex or anti fog spray on the inside of the windshield….pro tip 👍🏼
Maybe you have the same problem as I had? There was a system fault but it doesn't exactly shout about it. On the Climate screen, there was a small message saying 'Climate keeper is not available due to a system fault'. Resulted in what you have there. Putting on the screen demister works a little but not much. Like you have there.
EVs don't generate heat like an ICE. The heat pump boosted the efficiency but you still need to enable the heating element for the windshield.
Also you can add 99% isopropyl alcohol to your wiper fluid as it will help melt the sleet faster than without.
The freezing part happens to mine in the wintertime
Un real that people can’t figure this out 🙄
I've been dealing with that in my S. I hate turning on the defrost because that turns on the AC compressor and it gets chilly in the cabin during the winter
Tap defrost twice to active a heated version of defrost.
I'm a derp.. 🤦🏾♂️
Easy thing to overlook.
What’s with some peoples’ reluctance to run the A/C compressor? Everyone over 40 in my family vehemently prevents the compressor from turning on in their cars even though the climate would be much more comfortable with it on.
They’ve stated in the past that they “don’t want to turn on the A/C for hot air”, but that’s not what it’s doing… it’s removing the humidity and creating a drier, more comfortable cabin. That’s like.. exactly what you want if you’re trying to decoy/defrost your windshield.
Use rain x anti fog or a similar chemical. Saves you power and time to defrost it.
Should have bought FSD
It should go without saying that this comment was made tongue-in-cheek, but for those of you that might think this is actually a thing:
Do not engage AP or FSD if you cannot see where you are going. You are asking for a disaster, and you will be at fault.
I really don't want to see a "AUTOPILOT CRASHES DRIVER WITH FOGGED OVER WINDSHIELD - SHOULD TESLA BE CHECKING DEW POINTS?" article, no matter how much Darwin would enjoy it.
I guess you’re from Cali or some desert? During winter like OP’s having the sensors are usually blocked by ice; hence AP nor FSD does not work.
Yeah and Tesla's wiper is not the best one in the industry as well. Would anti frozen windshield washer help?
install a car hair dryer blowing into it
I do have this sometimes. And i turn on the heated wipers (Atleast i think thats what it is) in climate and it solves the issue
“Auto” wipers are on full speed the moment light rain drops hit and they don’t turn off till I turn them off. One of my least favorite features. In a 2022*
Mine does this - not to this extreme because I'm in the southeast US - but it frosts and fogs and I've NEVER had a car do this so consistently. EVER! My Volvo xc60 is 11 years old and I've never seen the degree of frost and fog like I do with my MY. Sometimes I think it's the seal around the window.
You shouldn’t have a problem. Double tap the defrost button it should turn red.
Also you might need some winter weather windshield washer fluid.
Yes
Designed in California, at its finest.
Not Tesla specific, but when I experience this in other vehicles, I usually tap the windshield washer fluid and continue to use wiper blades. Usually that fluid is warmer and will clear the windshield for visibility. You’ll use a lot, but it worked for me, granted I’ve never had it freeze over this bad.
Is there a way to use defrost consistently WITHOUT it being set to "HI"?
In the settings you can just set the fan direction to up and manually blow at whatever fan speed and whatever temp, but unfortunately not in auto. That’s what I’ll do to maintain heat on the windshield.
Sometimes I miss all the heat waste on a gas engine, those had heat everywhere!
Ideally you melt it off then can turn it off while additional accumulation sublimates as you drive and/or the wipers can function better.
Try using windshield washer fluid… if you have rain x on it, then you’ll have a bad day. Use the cheap blue washer fluid.
I’m getting mine in Colorado soon. Can’t wait for this annoyance!!
Freezing rain is freezing on your window. A little antifreeze in the windshield washer fluid or just double tap the defrost to heat.
that is no good, more heat on the window
No issues with my 6.2L gmc land yacht making heat. Just saying.
I have a different EV but a similar problem. Turned out my AC drain hose was kinked and retaining all the water. Turning on the Ac did nothing to dry the air and made the problem 10x worse.
Im glad I live in a place that does not get that cold. It would suck to have to deal with that.
If it always occurs, it may be an Aircon calibration issue, eg blowing at the windshield. After I sent mine to the service centre for a quick fix, it never recurred.
Just preheat your Tesla before driving
I don't know about the buttons but you can also just tell it to defrost.
Windshield de-icer
https://www.homedepot.com/p/Rain-X-128-fl-oz-25-F-Degree-De-Icer-Windshield-Washer-Fluid-113655/204177906
When you have a day or two off.. clean the windshield extremely well and apply some glass ceramic coating. I’m found it to help a lot with maintaining visibility in cold weather.
Put the heat fan on and Also get of the road, i got moist reomvoal poches in my car. 1kg bag
Next you'll be complaining that your wipers are leaving lines...
There’s cars renowned for reliability, and then there’s cars known for their prestige. Once in a while, you might get a car that is both- I don’t think a cutting-edge electric car is quite there yet.
UI/HVAC designed by a bunch of cali hipsters who don’t live in the real world and this is the result lol
Auto climate control in this car is the worst I have experienced. I just leave it in manual and do it myself.