Step 3 » GENERAL learning environment Redobtainment Category

For answer  A 

It is not allowed to use the headlights or the horn to signal the intention to overtake other vehicles. The main beam (long beam) will not be used at night at less than 100 meters from the vehicle that moves in front of you in the same direction and at less than 200 meters from the vehicle that moves from the opposite direction.

For answer  B 

Is prohibited the driver of the motor vehicle or of the tram to use abusively the means of sound warning. The means of sound warning must be used from a distance of at least 25 meters from those they are addressed to, for a duration of time that ensures the perception of the signal and without causing them maneuvers that may endanger traffic safety.

For answer  C 

Regardless of whether you move during the day or at night or regardless of circumstances, the intention to overtake other vehicles is signalled only with the direction indicator lights. No other type of signalling will be used for signalling the intention to overtake other vehicles.

The correct answer is: C

Recommendations:

Rules regarding performing the overtaking maneuver - Audio-Video Lesson --> Road Traffic Code - Overtaking

Correct use of the lighting and signalling system --> Road Traffic Code - The technical condition of vehicles and the lighting and signalling system

For answers  A  and  B 

Regulation** - Article 114

[...]
(2) At night, when two vehicles moving from opposite directions approach each other, their drivers are obliged that from a distance of at least 200 m to use the dipped beam lights simultaneously with the reduction of speed. When the driver of the motor vehicle approaches a motor vehicle that moves in front of him, he is obliged to use the dipped beam lights from a distance of at least 100 m.
​[...]

Regulation** - Article 112

The drivers of vehicles signal with the means of light, sound or arm warning, as the case may be, before performing any maneuver or for avoiding an immediate danger.

Regulation** - Article 113

(1) The means of sound warning must be used from a distance of at least 25 m from those they are addressed to, for a duration of time that ensures the perception of the signal and without causing them maneuvers that may endanger traffic safety.
[...]

Regulation** - Article 148

Is prohibited the driver of the motor vehicle or of the tram:
[...]
14. to use abusively the means of sound warning;
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For answer  C 

Regulation** - Article 114

(1) The drivers of motor vehicles and trams are obliged to use the lighting and/or signalling installations of these, as follows:
[...]
g) the direction indicator lights for signalling the change of driving direction, including when setting the vehicle in motion from standstill.

Regulation** - Article 116

[...]
(2) The intention of the drivers of motor vehicles, agricultural or forestry tractors and trams to change the driving direction, to exit from a row of stationary vehicles or to enter such a row, to move to another traffic lane or to turn right or left or of those who are going to perform U-turn, overtaking or stopping is signalled by activating the direction indicator lights at least 50 m in the urban area and 100 m outside built-up areas before beginning the performance of the maneuvers.
[...]

** Regulation = Regulation for the implementation of OUG 195/2002 updated (Road Traffic Code Regulation)