The driver of a power-driven vehicle can use warning light in the form of intermittent ignition of the main beam headlights or switching the headlights of the dipped and main beam:
When overtaking is performed only outside the built-up area to warn the driver of the overtaken vehicle .
Only to prevent an imminent danger or to warn the driver of an overtaken vehicle .
If he wants to warn the rest of the drivers about the road check .