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Question 4985

Within the field of vision defined by the regulations, what is the purpose of a vehicle's rearview mirror?

  1. To reduce the vehicle's wind resistance.
  2. To provide clear visibility behind and to the sides of the vehicle.
  3. To provide clear visibility behind the vehicle, but not to the sides.
Show answer and explanation

Correct answer: To provide clear visibility behind and to the sides of the vehicle.

Rearview mirrors let you clearly see what is behind your vehicle and to its sides. That is why the exterior mirrors show the next lane. Reducing wind resistance is not their purpose. In the image, the exterior mirror shows a truck approaching from behind.

Real Decreto 2822/1998, de 23 de diciembre, por el que se aprueba el Reglamento General de Vehículos