What does the 'o' on the rearview mirror mean?

1 Answers
StSarah
07/30/25 8:01am
l: Left rearview mirror. r: Right rearview mirror. o: Likely refers to folding (retracting) both rearview mirrors. Function of car rearview mirrors: Car rearview mirrors are located on the left and right sides of the car's front and inside the car's cabin. They reflect the situation behind, beside, and below the car, allowing the driver to indirectly see these areas clearly. They serve as the "second pair of eyes," expanding the driver's field of vision. Classification of rearview mirrors: Rearview mirrors are categorized by installation position into exterior rearview mirrors, lower rearview mirrors, and interior rearview mirrors. By purpose, exterior rearview mirrors reflect the rear and side of the car, lower rearview mirrors reflect the front and lower part of the car, and interior rearview mirrors reflect the rear of the car and the interior situation. Different purposes result in different mirror structures.
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