Topic: Vehicle lights and horn · Nº 114 / 839
Al conducir con visibilidad muy reducida, ¿es obligatorio encender la luz antiniebla trasera?
When driving with very reduced visibility, is it compulsory to switch on the rear fog light?
- ANo, es opcional.No, it is optional.
- BSí, pero solo si circula por autopista o autovía.Yes, but only if you are driving on a motorway (autopista) or dual carriageway (autovía).
- CSí, para señalar su posición a otros usuarios de la vía.Yes, to show your position to other road users.
Show answer
Correct answer
- CSí, para señalar su posición a otros usuarios de la vía.Yes, to show your position to other road users.
Explanation
When conditions are especially unfavourable and visibility is very reduced (thick fog, very heavy rain, heavy snowfall), the rear fog light must be on, on any type of road (Article 106.2 of the General Traffic Regulations), so that those behind can see the vehicle.
The rule · Real Decreto 1428/2003, de 21 de noviembre, Reglamento General de Circulación (RGC) · art. 106.2
La 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.