Correct answer: B. Dipped headlights.
Drivers should dip their headlights when driving behind another vehicle so the driver in front 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 804 questions free on iTest.ie — with timed mock exams, automatic mistake tracking and progress sync across devices.
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