Correct answer: C. Use the emergency telephone to call for help.
If your vehicle breaks down or is involved in a collision in a tunnel, switch on your hazard warning lights, switch off your engine, go to an emergency station and use the emergency phone to alert the tunnel operator.
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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