Lighting and Optical Signals
Why is it important to keep the headlights clean and correctly adjusted?
Reviewed on 26 Jul 2026
- A For aesthetic reasons only
- ✓ To avoid lighting the road poorly or dazzling others
- C To save fuel
- D To be able to drive faster
Why this is the correct answer
Dirty or poorly adjusted headlights can light the road insufficiently or dazzle other drivers. Keeping them clean and correctly adjusted ensures effective and safe lighting.
More questions on Lighting and Optical Signals
- In which of these situations is the use of the horn (acoustic signal) justified outside built-up areas?
- As a general rule, is the use of acoustic signals (horn) permitted within built-up areas?
- A driver uses a brief flash of the headlights during the day. What is its usual purpose?
- In the event of a breakdown, which of the vehicle's lights can you use to warn other drivers, in addition to the V-16 light?
- Summarising the lighting rules, the three key ideas to remember are:
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