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The lighting system for driving at night must be adjusted in such a way as to see and be seen, without disturbing the other participants in traffic. It must be known that when you have a large load, especially on the rear part of the vehicle, the orientation of the headlights will change and their light will dazzle the drivers of the vehicles that move from the opposite direction, in which case the light of the headlights must be adjusted, most vehicles having an electric adjustment system that is found somewhere within the driver’s reach.

The correct answer is: A

Recommendations:

Correct use of the lighting and signalling system - Audio-Video Lesson --> Road Code - The technical condition of vehicles and the lighting and luminous signalling system

For answer  A 

Regulation** - Article 10

Motor vehicles, tractors used in agricultural and forestry operations and vehicles for services or works, trams and trailers must be equipped, by construction, with lighting, luminous signalling and sound warning installations, approved, which correspond to the technical conditions established by the competent authority.

For answer  B 

Regulation** - Article 114

(1) The drivers of motor vehicles, agricultural or forestry tractors and trams are obliged to use their lighting and/or signalling installations, as follows:
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b) the low-beam or high-beam lights, in motion, both in the urban area and outside the urban area, according to the degree of illumination of the public road;
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(2) At night, when two vehicles moving from opposite directions approach, their drivers are obliged that from a distance of at least 200 m to use the low-beam lights simultaneously with the reduction of speed. When the driver of a motor vehicle, agricultural or forestry tractor approaches a motor vehicle that moves in front of him, he is obliged to use the low-beam lights from a distance of at least 100 m.
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For answer  C 

Regulation** - Article 114

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(4) At night or in reduced visibility conditions motor vehicles, agricultural or forestry tractors or trailers with deficiencies in the lighting and luminous signalling system cannot be driven or towed without having in operation on the left side, in front, one low-beam light and in the back one position light.
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** Regulation = REGULATION for the implementation of OUG 195/2002 updated (The Road Code Regulation)