What effect could incorrectly aligned headlights have?

1. A.They could cause a fire.
2. B.They could reduce battery life.
3. C.They could wear out the bulbs prematurely.
4. D.They could dazzle oncoming drivers.

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.