Lighting and Optical Signals

What are daytime running lights (DRL)?

Reviewed on 26 Jul 2026

Question image: What are daytime running lights (DRL)?
  • A Lights that illuminate the road at night
  • ✓ Lights that increase daytime visibility and switch on at start-up
  • C Lights that replace the dipped beam at night
  • D Automatic hazard lights

Why this is the correct answer

Daytime running lights increase the vehicle's visibility during the day and switch on automatically when the engine starts. They do not replace the rest of the lighting in low-visibility conditions or at night.

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