[China Glass Network] Miss Lu, the owner of the car asked: The temperature difference is relatively large, and the driving window takes a little longer to fog the window glass, which leads to unclear visibility and safety. Is there any good solution?
answer:
The reporter interviewed Jin Liyuan Auto Repair Sang Rui, he introduced the following common solutions:
1. Use the in-car air conditioning system . The more common practice is to turn on the fan and the cooling switch inside the car, and the cold air will blow to the windshield and quickly wipe out the fog. The effect of this move is very quick and direct, but the big ills come along, that is, the people inside the car will feel cold. In fact, in addition to air conditioning refrigeration and defogging, the use of hot air can also play a role in defogging. The operation method is to stop the car, start the air conditioner, turn the air conditioning temperature adjustment button to the hot air direction, and then select the defogging gear to dry the fog with hot air. When defogging, the air conditioner can be converted to an external circulation, allowing fresh air outside to enter the cab. This method has a general initial effect. When it is just opened, it even makes the fog inside the glass become larger. Because the temperature difference between the inside and the outside is larger, it can cure the problem. After a few minutes, the water vapor in the car can be completely dried. There will be no repeated fogging, and the temperature inside the car is more pleasant.
In addition to the front windshield, the side windows will also fog, and the fog on the front side windows will affect the driver's viewing of the rearview mirror. Today's cars have a small air outlet that blows the side window of the front row separately. If you want to make the side window defogging effect more obvious, it is better to close the two central air outlets, so that the air outlets on both sides can get more air to blow off the mist. .
2. Open the window to convect the hot and cold air . If the fog is not large and the outside of the car is not very cold, you can open a gap between the windows on both sides, so that the air inside the car will convect, the temperature inside the car will slowly approach the temperature outside the car, and the fog will dissipate. This is a simple and convenient method when it is not raining and the temperature outside the car is not very low. The disadvantage is that it is not suitable for running at high speed.
3. Use special anti-fog products . These products are available in auto supply stores or online, and the price is generally tens of yuan. Spray and wipe evenly on the window before each use to form a transparent protective film on the glass to prevent fog formation. Spraying once can prevent fog from ten days to half a month. The disadvantage is that the cost is higher.
4. Dishwashing detergent with a dry cloth . Take the detergent to the water (the ratio is 1:6), evenly spread it on the glass inside the car with a sponge, and then wipe it clean with a cleaning towel without leaving a watermark. Under normal circumstances, it can effectively maintain no fog within 20 hours. The principle is basically the same as the special anti-fogging agent for spraying, but the effect is slightly worse, which is a simple and economical method.
5. Do not forget the windshield heating wire . At present, the models currently on the market basically have the function of “rear windshield heatingâ€, and the indications of the switch buttons are similar. Turn on the “rear windshield heating†switch to make the rear window brighter in less than a minute
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