How does the driver drowsiness detection system identify fatigue?

En español: ¿Cómo detecta la fatiga el sistema de detección de somnolencia del conductor?

A By measuring tyre pressure
B By observing steering corrections, the face, and the eyes Correct answer
C By checking the fuel level
D By reading the road signs

Why this is the correct answer

The drowsiness detection system observes, via sensors or cameras, steering corrections, facial cues, and eye activity to identify signs of fatigue and issue a visual or audible warning.

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