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  On December 2, the Ministry of Public Security released the latest vehicle data information nationwide. As of December 2, 2018, the number of motor vehicles in the country reached 325 million, an increase of 15.56 million compared with the end of 2017; the number of motor vehicles in the country reached 407 million, an increase of 22.36 million compared with the end of 2017.  

  The longer the car runs, the louder it becomes? Change any of these 5 parts, and the noise disappears immediately! I believe that many car owners have encountered or are experiencing this situation. After the car has been driving for a long time, it will make noise. If the car is too loud, the people in the car will easily feel irritable, stressed, etc. I want to smash the car! What the hell is going on? Then I will tell you why the car is noisy and how to solve it. Learn to make your car silent for a moment.

Many drivers encounter water flooding from the headlights, which looks like the car is crying, as if aggrieved.

What exactly is going on here?

Let's analyze it together.

  One question has always been controversial. Is it necessary to warm up the car when it starts in the morning? Everyone has a lot of opinions on the issue of starting hot or not hot cars. Some people say that there is no need to warm the car, and some people insist that it must be good for the engine. Is hot car necessary in daily life? Today I will tell you in detail!

Due to the low temperature in winter, human immunity will be reduced accordingly, and it is extremely easy to get sick. The same is true of cars, which are prone to various failures in winter, which is called "winter illness". These problems not only upset people, but also pose a greater threat to driving safety. Now, let ’s talk about the six “winter illnesses” common in cars.    

 So the question is, how long can a family car be driven with proper maintenance, among other factors?

1. Automotive sunroofs are generally not completely sealed / waterproof. The leaked water just flowed away from the diversion tank. Blocking the diversion trough may cause water to flow into the car. So there will be old drivers who choose cars without sunroofs.
2. Chinese law does not mandate the installation of front fog lights. This has led many manufacturers to save the province, the front fog lights look at conscience!
3. Xenon headlights have the effect of dust collection. Many countries have forced xenon lamps to be equipped with cleaners. (Regulations require a cleaning device for lamps with a luminous flux greater than 2000lm, not all xenon lamps need to be installed.)
4. It is not mandatory to turn on the turn signal when entering the roundabout. Turning out of the roundabout requires turn signals.
5. The intersections without traffic lights follow the principle of giving right. Only for vehicles traveling straight, the description of the specific situation is complex, see subject 1 for details.
6. At the intersection without traffic lights, if you encounter opposite turning and conflict, turn right to give way to left.

  Everyone who drives a manual transmission should know that the engine speed will drop when the gear is turned on. For example, when you are in the third gear at two thousand revolutions, if you change to the fourth gear, the speed may fall back to 1,500 revolutions. But if it is downshifting, the speed will increase.

  When servicing a vehicle, there is usually a service called throttle cleaning. But what the hell is the throttle? Why clean it? Why is it dirty?

  This is the throttle valve. The throttle valve controls the air intake of the engine. The current throttle valves are all electronic, and the cable is cancelled. Therefore, the stable idle speed is also controlled by the throttle valve. If it becomes dirty, the idle speed will be unstable and serious. Cold start is difficult, and the fault light will be on. Generally speaking, cleaning the throttle valve is simple, but there are also unreasonable designs that are more difficult to wash!