What is Blind Spot Detection (BSD) for?

En español: ¿Para qué sirve el detector de ángulo muerto (BSD)?

A Warns of vehicles in the blind spot when changing lanes Correct answer
B Maintains distance from the vehicle ahead
C Reads traffic signs
D Detects driver fatigue

Why this is the correct answer

Blind spot detection monitors, usually with radars in the rear corners, the areas the mirrors do not fully cover and warns via a light in the side mirror when a vehicle is in them.

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