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Question 1886

When there is fog, is it allowed to use the front fog lights together with the high-beam headlights?

  1. No, because it is prohibited.
  2. No, because the fog lights must always be used together with the low-beam headlights.
  3. Yes, although it is not advisable.
Show answer and explanation

Correct answer: Yes, although it is not advisable.

In fog, using the front fog lights together with the high beams is permitted. However, it is not advisable because light reflected by the fog can impair visibility.

Reglamento General de Circulación · Reglamento General de Circulación · Manual II. Cuestiones de Seguridad Vial, edición 2026