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What is the optimal position for the left and right rearview mirrors of a car?

2 Answers

DelLiam

08/27/25 2:04am

The optimal position for rearview mirrors does not have a unified standard, as long as it minimizes blind spots and ensures the driver's comfort while observing. Below are the relevant introductions to the optimal positions for the left and right rearview mirrors: The position of the left rearview mirror: Place the distant horizon in the center, and adjust the left and right positions so that the car body occupies about a quarter of the mirror's surface. The position of the right rearview mirror: Adjust the horizon to the upper part of the mirror, approximately one-third of the way down, and then position the car body in the right rearview mirror on the left side of the mirror, occupying about a quarter of the entire mirror. The function of rearview mirrors: Rearview mirrors are tools that allow the driver, while seated in the driver's seat, to directly obtain external information about the rear, sides, and lower parts of the car.

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SadieMarie

09/08/25 8:50am

When it comes to the optimal positioning of car side mirrors, I'd like to discuss it from a safety perspective. With years of driving experience, I've developed this adjustment method: first ensure a comfortable seating position with proper back support, then adjust the mirrors. I set the left mirror to show just a small portion of the car's rear end, like the rear wheel or a bit of the rear body, while covering most of the road behind. The right mirror is adjusted slightly outward to minimize the visible car body, effectively reducing blind spots - especially important when changing lanes to the right. I always test this setup on straight roads: while driving, observe approaching vehicles; if they move from the center mirror to the side mirror then disappear, it indicates remaining blind spots requiring readjustment. Additionally, make it a habit to check periodically as bumps or accidental touches may shift the mirrors. Neglecting this could lead to accidents, like missing a car during lane changes. Ultimately, this configuration maximizes visibility and significantly reduces risks.

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