Topic: Vehicle lights and horn · Nº 767 / 839

Debido a una retención de circulación tiene que reducir, de modo considerable, la velocidad de su vehículo. ¿Debe advertir, siempre que sea posible, a los vehículos que circulan detrás?
Because of a traffic hold-up you have to slow down considerably. Must you warn the vehicles behind you, whenever possible?
- ASí, con el empleo de la luz de emergencia.Yes, by using the hazard warning lights.
- BSí, con el empleo reiterado de las luces de frenado o moviendo el brazo alternativamente de arriba a abajo.Yes, by using the brake lights repeatedly or by moving your arm up and down.
- CNo, está prohibido hacer advertencias, ya que pueden crear confusión.No, giving warnings is prohibited because it can cause confusion.
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Correct answer
- BSí, con el empleo reiterado de las luces de frenado o moviendo el brazo alternativamente de arriba a abajo.Yes, by using the brake lights repeatedly or by moving your arm up and down.
Explanation
To warn that you are slowing down considerably, the Regulations say you should use the brake lights repeatedly or, if that is not possible, move your arm up and down with short, quick movements.
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.