The car danger alarm flashlight, commonly known as the "double flash",

Vehicle hazard warning lamp of knowledge you know how many? What time to open the car danger alarm flashlight? How to use auto flash? A breakdown vehicle, the vehicle temporary parking, fog driving need open danger alarm flashlight. This paper mainly explains the vehicle hazard warning lamp using the skills and the traffic rules examination questions involve.

The car danger alarm flashlight, commonly known as the "double flash", it is a signal, to remind the other vehicles and pedestrians pay attention to this car had a special situation, it has a certain degree of use.

The first case: on the road temporary parking to open the "double flash".

Temporary parking is usually vehicle malfunction or owners urgent things, then open the "double flash" is warned other vehicle to pay attention to.

Second kinds of circumstances: fault occurs on the road or traffic accidents using the "double flash".

In this case you should pay attention to, so in the event, the general vehicle will stop in the middle of the road or the speed is very slow. And if it does not open the "double flash", behind the coming vehicles cannot judge the vehicle in front, that in front of the vehicle in normal driving, especially road vehicles crowded circumstances, easily lead to another traffic accident.

Third: the general road, driving in fog day using the "double flash".

Fog conditions to much fog, if the fog is not large, the visibility is still not affect in accordance with the rules of the road speed running, then it is not necessary to open the "double flash". But if there is fog, visibility is very low, must open the "double flash".

Fourth kinds of circumstances: on the highway, in a fog, rain, snow, hail, dust, low visibility of less than 100 meters using the "double flash".

General in the event of expressway as the situation should stop using, for as the sudden, should as soon as possible to open the "double flash", the vehicle as soon as possible slow off the highway. To be careful, otherwise it may because the car is not opened, will cause the pitiful condition of dozens of vehicles for rear end collision.

Fifth: the faults of traction motor vehicle, tractor and tractor shall open danger alarm flashlight.

Traction vehicle speed is slow, and sometimes to the rear of the vehicle and can not see the front is in traction, thought that in the normal running. If the situation is good, long time behind and I do not know the road ahead is smooth. If the situation is not good, it will cause rear end collision.

In addition to the above, driving motor vehicles on the road, can not arbitrarily open danger alarm flashlight. If you use, in accordance with the relevant provisions of the motor vehicle does not use light now, according to the provisions of the will be fined 100 yuan, so the correct use of the "double flash" and not random, is every driver should know common sense.

Examples:

A breakdown vehicle:

The 1 vehicles in the snow, temporary parking, should be opened.

After A:, anti fog lamp B: lamp C: headlight D: danger alarm flashlight

Answer: D

2, the day on the road motor vehicle breakdown, obstructs the traffic flow and is difficult to move, should be required to open and warning sign at a distance of the car direction to 50 meters to 100 meters set.

A: marker lamp B: rear position lamp C: headlamp D: danger alarm flashlight

Answer: D