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Polish 
Use of Horns and Lights
- 1/20If you use a horn in a built-up area
Unnecessary honking is prohibited within cities and towns to avoid noise pollution.
When driving through fog or heavy rain
Ensures visibility for yourself and others without blinding oncoming traffic.
If your car is equipped with front fog lights
Fog lights must be turned off when visibility improves.
When visibility drops below 50 meters
Rear fog lights are legally allowed only in very low visibility to avoid dazzling others.
If you drive in a tunnel
Tunnels require constant light even during daylight hours for safety.
When overtaking outside built-up areas
It may be used to alert the vehicle ahead before overtaking on rural roads.
If you are approaching a pedestrian crossing at night
Avoid flashing or high beams as they can blind pedestrians.
When parked at night outside urban areas
Polish law requires vehicle visibility where public lighting is insufficient.
When entering a roundabout at night
High beams should be dimmed when other vehicles are present.
If your high beams are on and another vehicle approaches
High beams must never blind oncoming traffic; switch back after passing.
When you see a flashing blue light with sirens
Emergency vehicles have priority, and flashing blue lights demand immediate right of way.
If a driver flashes headlights at you
In Poland, drivers sometimes flash lights to communicate road hazards or speed checks.
When your vehicle is broken down at night
Makes your vehicle visible to other drivers and avoids accidents.
If your hazard lights are flashing
Hazard lights misuse can confuse other drivers and is only permitted in specific cases.
When passing through a narrow underpass or bridge
Helps signal presence when approaching confined or dark structures.
If you approach a level crossing without barriers
Visibility must be maximized to detect approaching trains, especially at night.
If your brake lights fail while driving
Light malfunction must be compensated by manual warnings and fixed promptly.
When parked on a curve at night in low visibility
Curves reduce visibility for approaching traffic; lights alert drivers.
When driving behind a cyclist at night
Avoid blinding vulnerable road users; be patient and pass only when safe.
If driving without required lights during poor visibility
Lighting laws are strictly enforced in Poland for safety in all conditions.