A mirrorless car: is it safe or dangerous?


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As some of you may know, Japanese government removed the ban on the production of mirrorless cars on 18th of July, 2016.


Refer to the site: https://www.webcartop.jp/2016/06/44365


Now, car-producing companies are allowed to produce cars with rearview camera and monitor system.


Refer to the site: https://www.webcartop.jp/2016/06/44365

Sometimes a door mirror is regarded as a projection which disturbs drivers. It increases air resistance. In addition, there is always a blind spot from driver’s seat. From these viewpoints, Japan determined to remove the ban.


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Refer to the site: https://www.webcartop.jp/2016/06/44365


The rearview camera and monitor system, which is now called CMS (Camera Monitoring System) in Japan’s revised safety standard on car, cannot be introduced to all types of cars. Exceptions are: two-wheeled vehicle, two-wheeled vehicle with sidecar, three-wheeled vehicle, light automobile with caterpillar or sledge, large-sized special motor vehicle, small-sized special motor vehicle, and trailer.


In addition, the safety standard stipulates detailed rules for the CMS, such as, a range of view equivalent to existing mirrors, display time, magnifying power, and attachment position.


Even though the revised safety standard ensures that CMS is equivalent in safety to mirrors, some of you may doubt.


It is likely that after the spread of cars with CMS, several problems rise, for instance, lower resolution, slower speed of display, flickering, screen eye strain, and so on.


However, lifting the ban does not mean that mirrorless cars quickly spread over the car market and overwhelm the existing cars with mirrors. Frankly speaking, it takes long time to spread them all over Japan. Firstly, CMS costs more than door mirrors. Secondly, still there are quite a lot of conservative drivers who would like to continue using the existing type of cars. Thus, car-producing companies cannot make a quick shift to CMS cars. Furthermore, at the current moment, we cannot determine that CMS promotes safety as the safety features of door mirrors develops.


In spite of positive and negative opinions on mirrorless cars, CMS will be definitely utilized as an automated-driving sensor, and installation to luxury cars will increase. In addition, sports cars also will have CMS, for the purpose of air resistance reduction.


How is it?

If you find a mirrorless car at a car shop, let’s try and make sure whether it’s safe to drive!


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