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What are the functions of the exterior rearview mirror?

1 Answers

Prim

07/30/25 3:01am

The functions of the exterior rearview mirror include: convenient operation for the driver and increased field of view. Convenient operation for the driver: To facilitate the driver's operation, prevent traffic safety accidents, and ensure personal safety, rearview mirrors must be installed on vehicles, and all rearview mirrors must be adjustable in direction. The driver can directly obtain external information about the rear, side, and lower parts of the vehicle while seated in the driver's seat. Increased field of view: Rearview mirrors have a field of view issue, which refers to the range that the mirror surface can reflect. The industry has proposed three elements of the field of view: the distance between the driver's eyes and the rearview mirror, the size of the rearview mirror, and the radius of curvature of the rearview mirror. When the distance and size of the rearview mirror are the same, the smaller the radius of curvature of the mirror surface, the larger the field of view reflected by the mirror. When the radius of curvature of the mirror surface is the same, the larger the size of the mirror surface, the larger the field of view reflected by the mirror.

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