Is car fog lamp useful?
fog lamps are divided into front fog lamps and rear fog lamps. There is no mandatory installation requirement in the national standard, so many cars do not install fog lamps in order to simplify the installation and save costs.
In weather with low visibility, rear fog lamps rely on strong red light to warn others. You can observe and observe. If you look at the lighted brake lights and rear fog lights directly behind the vehicle, you will find that the rear fog lights will be much brighter, even dazzling.
Front fog lamp, first of all, the front fog lamp absolutely has lighting effect, the front fog lamp installation position is low, the brightness required by the regulations is very high, the light emitted can make up for the dark areas that the dipped headlight and high beam cannot illuminate in front of the car. At the same time, the regulation of front fog lamps requires the light of fog lamps to be wide, that is, to illuminate the left front and right front of your vehicle as much as possible. The purpose of this is to let you see the signs on the ground clearly, let you move along these signs. At the same time, more and more front fog lamps assume the auxiliary function of steering, that is, when turning, the front fog lamps are turned on to illuminate the blind area of the vision field, which is also the lighting effect.
Next, talk about the warning function of front fog lamps. In the foggy weather, due to the requirements of laws and regulations, the light emitted by the dipped headlight is on the ground, which does not play the role of warning the car coming from the opposite side; And high beam? In fact, the high beam can definitely play the role of warning others in foggy days. However, due to the large exposure angle of the high beam in the vertical direction, a lot of light is directed to the sky, and the installation position is high. The high beam is turned on in foggy days, the strong light hits the dense fog, which forms a light curtain in the driving direction of the vehicle instead, affecting the driver's vision, so the high beam is generally not turned on in foggy days; However, because the light and dark cut-off line of the front fog lamp is not as clear as the dipped headlight, that is, it can have a lot of light to the incoming cars and pedestrians on the opposite side, which plays a warning role without too much light to the sky, in addition, its installation position is low, so it will not produce problems similar to high beam lights that affect the visual field.
In a word, fog lamps can greatly improve your driving safety in foggy days. Front fog lamps can not only warn others, but also play a lighting role, so, in order to save money, some manufacturers do not assemble fog lamps, which is simply a hooligan. Is there any wood? However, if your car has a front fog lamp and is still a high-end LED front fog lamp, it is a crime, not only let you spend a lot of money, moreover, because the penetrating ability of LED light to fog is much lower than that of ordinary halogen light source, the front fog lamp of ordinary halogen light source is not as good as your safety guarantee, therefore, when you see some car front and rear lights, including far and near light, are all high-end atmospheric LED light sources, and the front fog light is just a broken light bulb, don't abandon it, this is a good intention of the manufacturer.
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