1 - From dusk until dawn and during the day whenever there are weather or environmental conditions that make visibility insufficient, particularly in the event of fog, heavy rain, snowfall, clouds of smoke or dust, drivers must use the following lights:

a) position (side) lamps, while waiting for a level crossing to open and also during stopping or parking, in places where the lighting does not allow the vehicle to be easily recognized from a distance of 100 m;

b) Dipped-beam headlamps, in places where the lighting gives the driver visibility of not less than 100 m, at junctions with other vehicles, people or animals, when the vehicle is traveling less than 100 m from the vehicle ahead of it, when approaching a closed level crossing or when the vehicle is stopped or stopped in motion;

c) From the road, in all other cases;

d) Fog lights, whenever meteorological or environmental conditions so require, on vehicles that must be equipped with them.

2 - The use of fog lights is prohibited whenever weather or environmental conditions do not justify it.

3 - Without prejudice to the provisions of paragraph 1, drivers of vehicles involved in the transport of dangerous goods, marked with an orange panel, under the terms of the respective special legislation, must drive during the day with their dipped-beam headlamps on.

4 - Without prejudice to the provisions of paragraph 1, the use of dipped-beam headlights is compulsory during the day in tunnels marked as such and on reversing lanes.

5 - Except as provided for in the following paragraph and if a more serious sanction is not applicable by virtue of a special provision, anyone who infringes the provisions of the previous paragraphs shall be punished with a fine of (euro) 30 to (euro) 150.

6 - Anyone who uses the high beams at the intersection with other vehicles, people or animals or when the vehicle is traveling less than 100 m from the one ahead of it, or while the vehicle is stopped or stopped, shall be punished with a fine of (euro) 60 to (euro) 300.