Is r the mirror left or right?In the car-related labels, R represented the right mirror (right rearview mirror), and L represented the left mirror (left rearview mirror).
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Look behind the mirrorThere are three rearview mirrors in the car (left rearview mirror, right rearview mirror, and interior rearview mirror), which can be used to determine the distance behind the car in the following ways:
** 1. Left rearview mirror **
1. ** Region Division Judgment Method **
- The left rearview mirror could be roughly divided into four parts. When the rear car reached the left quarter, the distance between the two cars was about 3 meters, which was a dangerous area; when the rear car was in the middle of the left rearview mirror, the distance between the two cars was about 9 meters; when the rear car was on the right side of the left rearview mirror, the distance between the two cars was about 20 meters. In general, from the left rearview mirror, the farther the car was to the right, the safer it was.
2. ** Inside-Outside Judgment Method **
- He divided the left rearview mirror into "inside"(close to him) and "outside"(away from him). If the car behind him was closer to him, the area behind him would be smaller and closer to the outside, and if the car behind him was further away from him, the area behind him would be more complete and closer to the inside. When the rear car was at the intersection of the inside and outside of the rearview mirror, it was about 25 meters away from him.
** 2. Right rearview mirror **
1. ** Area ratio judgment method **
- When the rear car occupied half of the area of the rearview mirror and only half of the car was in the rearview mirror, the distance between the two cars was very close, about 3 meters; when the rear car occupied half of the area of the rearview mirror but could see the whole car, the distance between the two cars was about 10 meters; when the rear car was in the middle of the rearview mirror and could see the whole car, the distance between the two cars was about 20 meters. From the right rearview mirror, the car behind them was getting further and further to the left.
** 3. Rearview mirror **
- If one could only see the hood of the rear car through the rearview mirror and could not see the middle net, the distance between the rear car and the rear car would be about 3 meters; if one could see the middle net of the rear car, the distance between the rear car and the rear car would be about 8 meters; if one could completely see the wheels of the rear car, the distance between the rear car and the rear car would be more than 20 meters.
In addition, in order to accurately determine the distance between the cars, the rearview mirror needed to be adjusted to the appropriate position. The left rearview mirror could be adjusted outward so that the right edge could just see the door handle of the front door, and then the angle could be adjusted up and down so that the ratio of heaven and earth was about 1:1. The adjustment method of the right rearview mirror was similar. Another adjustment method was to find the front door handle in the left rearview mirror and adjust the door handle to the bottom right of the rearview mirror. The right rearview mirror adjusted the door handle to the bottom left of the rearview mirror to obtain the best view. At the same time, when looking at the car coming from behind, the left and right rearview mirrors could be divided into two. The right side was the safe zone, and the left side was the dangerous zone. When the car behind was on the right side (for the left and right rearview mirrors), it was safer to turn and change lanes. When it was on the left side, it meant that the car behind was very close to his car, so he could not change lanes at this time. When judging the distance, you should also pay attention to it. If the rear car is completely covered below the hood, the distance from the rear car is about 5 meters.
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