When driving at night and blinded by the lights of an oncoming vehicle, what should a driver do?

1. A.Drive well to the left and maintain normal speed.
2. B.Look towards the verge and slow down and stop if necessary.
3. C.Repeatedly flash the headlights to warn the offending driver.
4. D.Reduce speed and switch on the full headlights.

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.