Sharing some of the more interesting facts about car lights

Car lights are all too familiar to drivers - after all, you need to use them whenever you drive. However, many of us understand the car lights are still limited to how to operate, and even some novice car owners do not necessarily understand the correct way to operate. So today we will share some interesting cold knowledge about car lights, I hope to help you with the car.


1, the worst lighting effect lights

If your car lights are this structure in the picture above, from the outside there is only one light, and there is a cover outside the bulb, then your car lights lighting effect may not be too satisfactory. This is the lowest-cost all-in-one headlight for both high and low beams.

It uses one lamp bead, one reflector bowl, but provides both high and low beams. The secret lies in the lamp bead, which has two filaments inside, one for low beam and one for high beam. This saves money but reduces the lighting effect.

2, see the sincerity of the manufacturer's lights

Rear fog lights and reversing lights can best be seen in the sincerity of the manufacturer, the national standard requires rear fog lights and reversing lights must be equipped, but the number can be two can also be one, not forced, so some manufacturers in order to save costs will use a rear fog light and a reversing light program. Although to meet the legal requirements, but the effect is certainly not as good as two.

3, the lowest priority lights: rear fog lights


Rear fog lights must be in the case of high beam or low beam on to work properly, if you do not open the high beam or low beam, then even if you open the rear fog light switch it will not be bright, so many car owners always mistakenly think that the rear fog lights are bad.

To say the reason is very simple, the rear fog lights are very harsh, harsher than the brake lights, even during the day to open will also seriously affect the rear line of vision, so we must open the rear fog lights under the conditions of a certain limit, try to avoid the impact on the rear of the car.

4, some cars are equipped with a headlight cleaning device, because the lights are too bright!


Now many sedans have headlight cleaning devices, this is because the national standard has provisions, headlights for individual light source brightness beyond a certain range must be equipped with a headlight cleaning device because the lampshade is easy to accumulate dust, the lamps are too bright when the dust will produce serious glare, affecting other vehicles.

5, cars with daytime running lights usually have automatic headlights

If your car has the original daytime running lights, then your car is bound to have automatic headlights.

This is required by national standards to prevent you from forgetting to turn the lights on at night.

As the daytime running lights are very bright, resulting in some car owners forgetting to turn on the headlights after dark, thus causing danger, the regulations require that as long as the daytime running lights must be equipped with automatic headlights, and only to select the lights in AUTO gear after the daytime running lights will be lit normally.

6, interior lighting can affect safety

Cars have interior lights, also known as reading lights, this light can only be used when parking, driving is best not to use, especially at night when driving. Because the light around the darker at night, the pupil of the human eye will expand, allowing more light into the eye, so that people can try to see the surrounding situation.


When you open the car lights, its light will stimulate the pupil, so the pupil shrinks, the result of light in the eyes is reduced, and you will be more and more difficult to see the situation outside the car.

Worse still, you won't feel the pupil dilation at all, so you won't even know you're in danger.

7, use the license plate light to charge the battery

When a car battery loses of power, the mechanical key is broken, this time you how to open the door easily.

Tell you a trick: you can remove the number plate light, and then connect the positive pole of the power supply to the positive wire of the number plate light, the negative pole of the power supply is connected to the car, and then press the unlock button of the remote control, you will find that the door can be unlocked normally.


To say the principle is actually simple because many number plate lights are negative control, that is, the positive pole of the bulb is directly connected to the battery, and the switch is installed in the negative pole, so you connect the positive pole of the external power supply to the number plate light positive line is equivalent to connecting to the positive pole of the battery, and therefore you can supply power to the vehicle.

8. Retrofitting of automatic high and low beams

Some cars have an automatic high and low-beam function. Although the initial intention of this function is to automatically switch to a low beam for safer overtaking, the experience of using it is not so good. The sensor is too sensitive and sometimes mistakes street lights for oncoming traffic and automatically switches to a low beam.

This sensor is usually located behind the interior rear-view mirror. You can try placing a dark glass mirror in front of the light sensor to reduce the sensitivity of the sensor and reduce the possibility of misjudgment.