Topic: Vehicle lights and horn · Nº 104 / 839

¿Es obligatorio usar la luz antiniebla trasera cuando la lluvia es muy intensa?

Is it compulsory to use the rear fog light when the rain is very heavy?

  • ASí.Yes.
  • BNo, es opcional.No, it is optional.
  • CNo, sólo debo usarla en caso de niebla muy densa.No, I should only use it in very dense fog.
Show answer

Correct answer

  • ASí.Yes.
Explanation

Under Article 106.2 of the RGC, the rear fog light must be switched on in especially unfavourable conditions, such as thick fog, very heavy rain, heavy snowfall or dense clouds of dust or smoke. It is not used in moderate rain or drizzle, because it dazzles those driving behind.

The rule · Real Decreto 1428/2003, de 21 de noviembre, Reglamento General de Circulación (RGC) · art. 106.2La luz antiniebla trasera solamente deberá llevarse encendida cuando las condiciones meteorológicas o ambientales sean especialmente desfavorablesRead the full rule

Independent app: not affiliated with or endorsed by the DGT (Spain's Directorate-General for Traffic) or the Ministry of the Interior. The official exam is booked with the DGT and taken at its test centres. The questions here are practice material; the DGT's official question bank is not public.