While driving during “lighting up time” in a vehicle with an overall width of 220 cm, is it obligatory to turn-on the “Extremity“ side lights?

1. Correct answer: Yes.
2. No, the side lights are to be used for warning when the vehicle malfunctions and stands on the road.
3. Yes, but only from November 1st until March 31st of the following year
4. No, the side lights should only be turned-on while the vehicle is standing for any reason.

WhyYes, on a vehicle 220 cm wide, the width lights are on while driving during lighting-up time. They let oncoming drivers see how wide it is.