It is compulsory to use the rear fog light...
A)when weather or environmental conditions are particularly unfavourable.Correct
B)in case of rain, snow or clouds of dust or smoke.
C)when weather or environmental conditions reduce visibility.
FRONT FOG LIGHT:
- Its installation and use is NOT compulsory.
- It shall be white or selective yellow.
- It shall be used voluntarily in the case of fog, heavy rain, snow, smoke or dust clouds, or in similar circumstances.
- It may also be used on narrow roads with many curves, that is, those with a roadway 6.5 m wide or less, marked with «dangerous curves» signs. REAR FOG LIGHT:
- Its installation and use is compulsory.
- It shall be red.
- It must be used compulsorily in case of THICK fog, VERY heavy rain, HEAVY snow or DENSE clouds of smoke or dust. The front fog light, during the day, may be on alone with the position lights, but may also be used together with the dipped or main beam. At night, it shall be used at minimum with the dipped beam. The rear fog light, during the day, shall be used at minimum together with the front fog light or the dipped beam. At night, at minimum with the dipped beam.
- Its installation and use is NOT compulsory.
- It shall be white or selective yellow.
- It shall be used voluntarily in the case of fog, heavy rain, snow, smoke or dust clouds, or in similar circumstances.
- It may also be used on narrow roads with many curves, that is, those with a roadway 6.5 m wide or less, marked with «dangerous curves» signs. REAR FOG LIGHT:
- Its installation and use is compulsory.
- It shall be red.
- It must be used compulsorily in case of THICK fog, VERY heavy rain, HEAVY snow or DENSE clouds of smoke or dust. The front fog light, during the day, may be on alone with the position lights, but may also be used together with the dipped or main beam. At night, it shall be used at minimum with the dipped beam. The rear fog light, during the day, shall be used at minimum together with the front fog light or the dipped beam. At night, at minimum with the dipped beam.