Correct answer: B. To increase the vehicles visibility in daylight hours.
Daytime running lights refer to the white lighting systems on the front of a vehicle that automatically come on during daylight hours. The purpose of daytime running lights are to increase the visibility and presence of the vehicle to other road users.
This is an official-style question from the Managing Risk topic of the Ireland driver theory test (Cat. B). Practise all 807 questions free on iTest.ie — with timed mock exams, automatic mistake tracking and progress sync across devices.
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