Lighting and Optical Signals
As a general rule, is the use of acoustic signals (horn) permitted within built-up areas?
Reviewed on 26 Jul 2026
- A Yes, whenever deemed necessary
- ✓ No, except to avoid an accident or for emergency services
- C Yes, but only at night
- D Yes, to greet other drivers
Why this is the correct answer
Within built-up areas, as a general rule, the use of the horn is prohibited. It is only allowed to avoid an imminent accident or by emergency services, since the noise harms quality of life and safety.
More questions on Lighting and Optical Signals
- 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:
- What are the three main functions of a vehicle's lighting system?
- When lighting is mandatory and the vehicle is moving, which lights must be switched on as a minimum?
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