On roads with heavy traffic, may the horn be used?
Lighting
Explanation
The use of the **horn** is regulated to avoid unnecessary disturbances and ensure road safety. It is only allowed to be used in specific situations:
- **Avoiding an accident**: If there is an imminent risk of collision, the horn can be used to alert other drivers.
- **Overtaking outside populated areas**: On roads outside urban areas, it can be used to notify another driver that you are going to overtake.
- **Priority services**: If an emergency service is being carried out, such as taking a seriously injured person to the hospital, the horn can be used to request passage.
Therefore, on roads with heavy traffic, the horn **should not be used unless it is strictly necessary** for any of these situations. This helps maintain order and reduce unnecessary noise on public roads.
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