Fog lights are a functional indicator light installed on the front and rear of the car. They mainly serve to indicate the vehicle. A pair of fog lights are installed in the front of the car, and a pair of fog lights are also installed in the back of the car. Generally speaking, they are installed on The height of the fog lights in front of the car will be slightly lower than the headlights. The color of the fog lights is bright to play the most important indicating role. The color is usually yellow or red to achieve the strongest penetration, but many people There will be some mistakes when using fog lights. The following is a detailed explanation of the function of fog lights and related common sense.
The principle of fog lights
The colors of the front and rear fog lights are indeed different! Fog lights are divided into front fog lights and rear fog lights. The front fog lights are generally bright yellow, and the rear fog lights are red. This is mainly to absorb their essence. Red and yellow are the most penetrating colors, but red represents "no passage", so yellow is chosen.
Simply put, fog lights increase the cohesion of light through multiple refractions of the lampshade. Especially when used in low visibility conditions, sufficient penetration is necessary. Because visibility is low in foggy weather, the driver's line of sight is limited. Lights can increase the running distance, especially yellow anti-fog lights, which have strong light penetration. They can improve the visibility of drivers and surrounding traffic participants, allowing oncoming vehicles and pedestrians to spot each other at a greater distance.
The function of car fog lights
We know that car fog lights are divided into front fog lights and rear fog lights. The function of fog lights is different from other lights on the car. They are not used for lighting, because the fog lights use a diffuser. This kind of light can be seen from any angle. The intensity of the light causes the car fog lights to penetrate the dense fog very well. The car's front fog lights can remind the driver of the car driving on the opposite side in heavy fog. The function of car rear fog lights can be
In weather conditions such as heavy fog with low visibility, the vehicle status can be clearly known to prevent the driver of the vehicle behind from loading onto the car in front.
But one thing that needs to be clear is that although fog lights are diffuse lights and can only illuminate a small area near the car according to common sense, it is not recommended to use fog lights under normal circumstances because if there is no heavy fog, If used under normal circumstances, the intensity of the light is enough to dazzle the eyes of the driver of the opposite car. The effect is second only to the high beam, and it is not recommended to use fog lights in heavy rain.
When to use fog lights
Don't tell me with disdainful eyes that this is easy, isn't it just rainy or foggy days? I think even a five-year-old child knows this common sense! The use of fog lights is not just that. Regarding how to use it, let’s take a look at the authoritative statement:
When visibility is between 200m and 500m, low beam lights, width lights and tail lights must be turned on, the speed must not exceed 80kmh, and a driving distance of more than 150m must be maintained with the vehicle in front of the vehicle driving in the same lane;
When visibility is 100-200m, fog lights, low beam lights, width lights and tail lights must be turned on, the speed must not exceed 60kmh, and a distance of more than 100m from the vehicle in front must be maintained;
When the visibility is 50-100m, the fog lights, low beam lights, width lights and tail lights must be turned on, the speed must not exceed 40kmh, and the distance from the vehicle in front should be more than 50m.
When visibility is less than 50m, the public security and traffic control departments will take traffic control measures to close part or all of the highway in accordance with regulations.
In other words, fog lights only come into play when the visibility is less than 200m.
Things to note when using car fog lights! !
When using fog lights, you need to pay attention to some issues. Only when they are used in the correct way can the fog lights play a good role. In daily driving, many drivers will use their car fog lights incorrectly. Leading to traffic accidents and even casualties, and one thing we need to know is that the use of car fog lights is also restricted by law. Here are some precautions for the use of car fog lights.
1. For general car fog lights, the visual visibility is
Generally, it is about 100 meters. Therefore, if the visibility is below 100 meters, the fog lights must be turned on. There are also certain restrictions on the speed of cars and the distance between cars under different visibility conditions. Under normal conditions, When the visibility is between 100 meters and 200 meters, the fog lights should also be turned on, the speed of the car should be limited to less than 80 kilometers per hour, and the distance between cars should be maintained at more than 150 meters. When the visibility is between 50 meters and 100 meters, the fog lights must be turned on, and the speed of the car cannot exceed 40 kilometers per hour without disappearing. The distance between cars must be more than 50 meters.
2. There is another thing about the use of fog lights that many people may not know, that is, when the visibility is only a few dozen meters, for example, 30 meters, even if you turn on the fog lights, it will still have no effect, because of this At that time, the safe distance has been far exceeded. Although the transportation department will close the roads at this time, people in other regions still need to know this knowledge.
3. In addition to being used in heavy fog, fog lights can also have a good light penetration effect in heavy snow and dust conditions. In heavy fog, try to avoid starting the double flash, especially when turning. , it is easy to cause traffic accidents.
4. Generally, the front fog lights are yellow and the rear fog lights are red. The reason is that the red sign means no traffic, which can serve as a better warning.
The country has certain regulations on the settings of fog lights, so that everyone can ensure safety while driving. Everyone must also understand the four points mentioned above about fog lights. Only under correct driving conditions Only in this way can you fully guarantee your own safety.
