Correct answer: A. Stop and check the problem.
If a system warning light lights up while you are driving, you should stop in a safe place as soon as possible and investigate the problem before deciding what action to take. It is important to understand the meaning of your vehicles warning lights, information on which can be found in the vehicles handbook.
This is an official-style question from the Managing Risk 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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