A driver uses a brief flash of the headlights during the day. What is its usual purpose?
En español: Un conductor utiliza una breve ráfaga de luces (destello con los faros) durante el día. ¿Cuál es su finalidad habitual?
A
To indicate the vehicle has broken down
B
To warn of one's presence or intention to overtake
Correct answer
C
To signal a left turn
D
To indicate that one is about to park
Why this is the correct answer
Flashing the headlights is an optical signal used to warn of one's presence or intention to overtake, replacing the acoustic signal where the latter is not permitted or is less effective.
Topic:
Lighting and Optical Signals