2010 China car sales and production hit a record high, reelected the world championship. Among these, undoubtedly the biggest promoter of the private car market are booming. However, the upsurge of private car sales market has also brought a lot of complications, especially novice road increasing, high traffic accidents each year, has become a social problem can not be ignored.

At present, considerations of security has been a lot of driving to become everyone's a consensus, such as for the regular care and maintenance of vehicles; speed control in a reasonable range; attention to work and rest, fatigue driving and drunken driving is strictly prohibited ; extreme weather conditions such as the proper treatment. However, this consensus, it seems there is a problem the attention has not been caused by the parties concerned, they are often ignored by owners.  That is the relationship between lights and light.

According to traffic police department in some southern cities, points of time last year conducted a traffic accident statistics showed that from 7 pm to 9 pm and the sky will not clear out 5 to 8, is a high incidence of traffic accidents, the industry is called "black period." In fact, both new and experienced drivers on the road, obviously have such a feeling, like the early morning light does not shine in the evening, when that black is not black, when the eyes especially uncomfortable to drive. At this time, it is dangerous signal to be coming, experts have warned that the majority of owners of friends, this time to turn on headlights as soon as possible,to avoid the probability of traffic accidents.

Many car owners may disagree, not used in the "day" early turn on the lights, in addition to fear of loss of vehicles, there is another important reason is to feel good, in fact, this is a misreading of lights. The reason why the initiative to open during the day and traffic experts, headlights, and its role is not to meet the lighting needs, but to allow other pedestrians and vehicle drivers see their cars as soon as possible, so that the other party to prepare as soon as possible, to ensure safety. Thus, for security considerations, there are many high-end car headlights are set automatically open function.

In Sweden and Canada, due to daily weather dark and often snowing, and so are the provisions to be open during the day driving headlights . This provision has now also popular in mainland Europe. In China, Zhejiang has also been tried in some areas during the day and driving to the brights, such as Jinhua Patrol Detachment for the prevention of traffic accidents to the introduction of "Hang on bright lights of gold, driving during the day" requirement. According to statistics, the city has a 4-month pilot period, traffic accidents have declined four index, the number of accidents fell from 13.6% the police.

In the half light of the dark, open headlights why favorable safety?  Technical staff pointed out that at dawn and dusk, when the eye color and shape recognition of the weakest, alternating day and night, the pupil is in working condition. This time the light has been inadequate, there will be a gray felt around (the city's pollution strengthens this condition), the original distance of 300 meters can clearly determine the goal, then generally have closer to 50 meters. When entering the tunnel also exists the problem. Therefore recommended that private car owners, be sure to turn on the lights early in order to avoid misfortune.

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