What action should a driver take when they meet a vehicle with flashing blue lights?

1. A.Flash the headlights and come to an immediate stop.
2. B.Move to the left, reduce speed and stop if necessary.
3. C.Flash the headlights and drive up onto the footpath on the left.
4. D.Switch on the vehicle hazard warning lights.

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.