Correct answer: B. When meeting or driving behind other traffic.
When driving at night you should dip your headlights when you meet oncoming vehicles so that you do not dazzle them. And you should also dip your headlights when you are driving behind another vehicle so the driver is not dazzled by your lights in their mirror.
This is an official-style question from the Safe and Responsible Driving 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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