What should I do if the front windshield always fogs up in winter?

You can use a hot air blower to blow the glass, so that the fog has no way to form, and at the same time, you can also buy some sprays online that can prevent the glass from fogging, or ventilate the car from time to time, so that the air circulation can also reduce the phenomenon of fogging in the front windshield.

You can warm up the car in advance to get a particularly good feeling, preferably 65 minutes. There will be no fogging. You can also see the road ahead clearly while driving.

You can apply something anti-fogging to the glass, and blow the glass with hot air before driving, so that the fog can disappear.

You can turn on the car's air conditioner, point the air conditioner at the windshield, and after a while the fog will dissipate.

5 solutions to fogging in the car in winter:

1. Reasonable use of the air conditioning system - the operation method is to park the car, start the air conditioner, turn the air conditioning temperature adjustment button to the direction of the hot air, and then press the defogging stopper, and dry the windshield fog in the car with the hot air created by the hot air conditioner. When defogging, the air conditioner can be converted to an external circulation to allow fresh air from outside to enter the cab, and the compressor and air speed can be adjusted to 25 or higher to speed up the defogging. The initial effect of this method is average, when it is first opened, it will indeed make the fog on the inside of the glass larger, because the temperature difference between the inside and outside is greater, but it can cure the root cause, and the water vapor in the car can be dried after a few minutes of driving, and the temperature in the car will not be fogged repeatedly, and the temperature in the car is more pleasant.

In addition to the front windshield, the side windows can also fog up, and the fog on the front side windows can affect the driver's view of the rearview mirror. Today's cars have a small air outlet that blows the front side window separately, if the side window defogging effect is obvious, it is best to close the two ** air outlets, so that the air outlets on both sides can get more air volume to blow away the fog.

Summary: The air conditioner defogging effect is very fast, but the car will be colder; The effect of the hot air is slightly slower, but it treats both the symptoms and the root causes, and ensures that the cabin is warm when driving.

2. Use special anti-fog products.

Spray and wipe evenly on the windows before each use to form a transparent protective film on the glass to prevent fogging from forming. One spray wipe can prevent fogging for ten days to half a month, depending on the effect of the product. Summary:

Anti-fogging agent to prevent fog is a way to spend money to save trouble, but the effect is not long, and the cost performance is not high.

3. Open the window to convection of hot and cold air.

If the fog is not large, open a gap in the windows on both sides so that the air inside the car can be convection, and the temperature inside the car will slowly approach the temperature outside the car, and the fog will dissipate. The advantage is that it can achieve the effect of turning on the air conditioner without increasing fuel consumption, such as in the cold winter and rain, it is recommended that the owner take intermittent opening and closing of the window.

Summary: This is a simple and convenient method when it is not raining and the temperature is acceptable, but the disadvantage is that it is not suitable for use at high speeds.

4. Wipe with dish soap and dry cloth.

Mix dish soap with water (ratio 1 6), apply it evenly to the interior glass with a sponge, and wipe it clean with a car towel after drying, leaving no watermark. Under normal circumstances, it can effectively keep it foggy for 20 hours.

Summary: The principle is basically the same as spraying a special anti-fogging agent, and the effect may be slightly worse, but it can be maintained for a period of time without spending money to reduce energy consumption, which is a simple and economical method.

5. Defogging of the heating wire of the rear windshield.

At present, the models on the market basically have the "rear windshield heating" function, and the indication of the switch button is similar. Turn on the "Rear Windshield Heating" switch and the rear window will be made clear in less than a minute.

Air conditioning defogging method :

You might be dismissive again: who doesn't know that turning on the air conditioner can dehumidify? But what is the difference between turning on the air conditioner and opening the window in such cold weather?

In fact, you only need to turn on the car air conditioner for two or three minutes when you start the car to warm up, use it as a dehumidifier to absorb the moisture in the cabin, and then set the air conditioner to heat, the heating temperature does not have to be adjusted too high, the dry heating into the cabin, you don't have to worry about fogging, and the cabin temperature is also very comfortable. Of course, this program must be operated during the internal circulation of the air conditioner's intake. In addition, if the air conditioner can be turned on occasionally in winter, it can also avoid the possibility of dust and moisture in the ventilation lines combining into sludge, eliminating the environment that breeds mold, so that in the summer, there will be no unpleasant odors, which is really a double win.

Solvent defogging method:

If your car doesn't have air conditioning or the car doesn't seal well, there are only a few ways to make the windshield itself anti-fogging. For example, applying a thin layer of glycerin, alcohol or salt water to the windshield as an anti-fogging agent can prevent the inner surface of the windshield from fogging up in the short term. If you want the anti-fogging effect to last longer, pour a little dish soap on a cloth soaked in water and wipe it evenly on the inside of the windshield to effectively keep it foggy free for 20 hours.

When the weather clears up or your vision improves, simply wipe off the liquid film off your windshield with a clean, damp towel. Of course, if you go to the car supply store, you can also buy a professional glass anti-fogging agent with better effect and longer lasting, and it is not expensive.

Nowadays, almost every household has a car, but after driving a car for so many years, did you know that there is a button in the car that can quickly remove fog? Those who know about it say that this function is simply too practical.

Glass defogging can be performed with in-vehicle air conditioning.

Hello, there is fog in the car, it proves that the moisture inside the car is large, there are two ways to remove it, the first is to open the air conditioner and blow the glass, and the other is to turn on the heating to make the air in the car dry.

It's already cold. The biggest problem now is fog on the windshield. Why is there always fog on the front windshield during this time?

The main reason is the lower outside temperature and the lower temperature in the front of the windshield. When the temperature of the vehicle rises, the air in the machine comes into contact with the windshield and adheres to the glass, which condenses into small water droplets, causing "glass fogging".

First of all, fog on the windshield is mainly caused by the large temperature difference between the inside and outside of the car. On the one hand, the air humidity is relatively high, on the other hand, the temperature inside the car is higher than the temperature outside the car, forming a certain temperature difference, to solve this problem, it is necessary to change the temperature difference, turn the air conditioner into cold air, reduce the temperature in the car, make the temperature inside and outside the car consistent, and the fog slowly dissipates, but this method is not applicable in winter, after all, it is not a good idea to turn on the cold air when it is cold. For most current models, it basically has key mining features.

For example, on some high-beam models, the vehicle** control area has "front" and "rear" keys for quick release of fog on the windshield. You can spray the mist eliminator, detergent water, and soapy water on the glass before driving and dry it with a cotton cloth to change the tension of the water molecules and concentrate them in large water droplets to avoid altering your vision.

We also have the option of using an external loop to remove the fog. This applies to the drying time. If it rains, moisture from outside the car can easily convection, which can exacerbate the fog.

Of course, there are many tips about deciduous leaves. For example, use a rag to clean the window mist remover on the inside of car glass. Once dry, it ensures that it won't fog up for too long.

In addition, the leaf treatment can also be carried out before driving, and the vehicle is heated before driving, and the vehicle heating and deformation function is turned on after the engine reaches the normal working temperature; If you want to clear the fog quickly, you can adjust the hot air to the maximum and turn on the air conditioner, otherwise you can wait slowly.

When the heating is just turned on, the white mist on the machine increases. When the humidity of the air in the machine decreases, the fog disappears automatically. Heating prevents secondary fogging inside the machine.

<> "What to do if the front windshield of the car fogs up in winter."

When driving in relatively cold weather, the air outside the car is colder than the inside of the car, and the temperature difference between the inside and outside is cold and hot, coupled with the high humidity in the car, the windshield begins to fog up. Many novices wipe fogged glass while driving because of obstructed vision, which is very unsafe and dangerous. So what exactly should be done?

I would like to share with you a few tips for "defogging".

Quickly defog and turn on the cold air of the air conditioner.

When it is found that there is fog on the windshield, the fastest and fastest way is to adjust the air conditioning outlet to the front windshield first, turn on the function of air conditioning refrigeration, plus the external circulation, with the maximum air volume It only takes about ten seconds to quickly "blow" the fog on the glass. But the problem with this method is that it will be very cold in the car, especially in autumn and winter, and it is not very suitable to turn on the cold wind in cold and icy weather. What's more, once the air conditioner is turned off, the fog will immediately form again, repeatedly, which is very annoying, not to mention the problem of fuel consumption.

If you want to cure the root cause, use the air conditioner to warm the air.

If you want to completely keep the car free of fog, then you should choose to turn on the air conditioner and choose hot air to blow the windshield. Similarly, use the external circulation first, select the hot air of the air conditioner and the front windshield exit, wait for about 5 minutes, and then choose to switch to the internal circulation, or turn it off directly. The effect of this method is relatively slow, but the effect in rainy and snowy weather is indeed the best and the most curative.

The only drawback is that it is not suitable for using this method on the road, because the warm air in the early stage will increase the temperature difference in front of the windshield, causing the entire glass to be covered in fog, and only after waiting patiently for it to be completely dried and the windows are clear and clear, you can continue driving.

Cost-effective, open windows for convection or skylights.

Opening the windows or increasing air convection, reducing the temperature difference between the inside and outside of the car, and reducing the fog formation conditions, this method is the most economical method, and there is no need to turn on the air conditioning to increase fuel consumption. But this method is also the most problematic, one is that rain and snow weather is very unsuitable; Second, the effect of the wind blowing in is very slow, it will take at least 5 minutes to take effect, and the effect is not obvious, the key is that it will be very cold!

Defogging tricks, defogging sprays.

There are many defogging products on the market, ranging from more than ten yuan to dozens of yuan, and there are many brands, styles and types. When using, you only need to spray it evenly on the glass surface, and then wipe it clean with a dry towel to have an anti-fog effect. The principle is to make Duan Xing use surfactant to retain a certain protective film on the surface of the glass, change the surface tension of water molecules, and make the fog beads condense into large water droplets, so as not to block the line of sight.

This can also be used in rearview mirrors to allow rainwater to condense and drain away quickly.

The above are a few simple and effective defogging tips, you can choose according to your driving habits and specific conditions. However, do not wipe it with a rag or paper while driving, as it is easy to hurt the glass, and the fog will form repeatedly, which can easily cause traffic accidents if you are not careful.

Winter is coming, and friends who drive must pay attention to safety. Not only do we have to worry about icy roads, but we also have to worry about fog in our cars. Due to the cold weather in winter, the temperature difference between the inside and outside of the car will be relatively large, and the cold air is easy to condense into a layer of fog on the glass when it is hot, which affects the sight of driving, and even the old driver is afraid.

A fog in the car originally affected the driving vision, and it was easy to smog in winter, which was simply blind. So how do you prevent the interior glass from fogging up in winter? Here are some ways to help you.

1. Detergent anti-fogging.

Dilute the dish soap used at home with water at a ratio of 1:6, then pour it on the car glass cloth, wipe the windshield on the front and both sides, and wait until the dish soap is dry and then wipe it with a clean cloth, which can ensure that the window glass will not fog up again for seven or eight days.

2. Special anti-fog products.

Spraying a professional defogger can also prevent the windows from fogging. Spraying a small amount of defogging agent on the car glass and then wiping it clean can not only remove the dirt and marks on the glass, but also form a transparent protective film on the glass, which can also be called a water displacement layer, which can effectively prevent water vapor from condensing on the glass, especially in the cold winter.

3. Open the window properly.

Generally, the temperature outside the car is lower than that inside the car, so that the temperature of the front windshield is lower than that in the car, and it is easy for the water vapor in the car to condense into small water droplets on the glass and form fog. At this time, open the windows to keep the temperature inside and outside the car consistent, which can remove fog and prevent fogging while driving. But don't open the windows if the speed is too fast, because the wind will pour into the car, it will be too cold, and it will also affect the driving.

4. Air conditioning defogging.

Cold air defogging is to reduce the temperature difference between the inside and outside of the car to prevent the formation and precipitation of water vapor in the air inside the car. As long as you turn on the air conditioner and switch the air outlet mode to the windshield shield, the cold air can blow directly onto the windshield, forming a "cold air film" on the surface of the glass, and the fog will dissipate. Although this is also a way to remove fogging, it is obviously not suitable to turn on the air conditioner in the car in winter, which affects the safety of driving.

In addition to the cold air, turning on the air conditioner hot air can also achieve the defogging effect, but the warm air defogging effect is relatively slow, and it is necessary to use the hot air to blow the glass until it is dry when parking, because the fog will suddenly become larger at the beginning of the hot air, and it is best not to use it during driving.