Correct answer: C. The oil level is too low.
Drivers should check the oil level in their vehicle regularly, and if it is low, top it up. If it needs to be topped up very often, have the vehicle checked by a competent person to see if there is a problem.
This is an official-style question from the Technical Matters 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.
Practise the full question bank free →