In which of these cases are you obliged to replace the tyre with a new one in a passenger car?
Show the correct answer
Correct answer
C. When disformations are visible on the sides of the tyre.
Explanation
You must replace a tyre with a new one when deformations can be seen on its side, for example a bulge - answer C. Such a "bubble" means damage to the carcass, that is the internal structure of the tyre; the tyre may burst at any moment, and at high speed this ends in loss of control of the car.
A damaged valve (A) is replaced separately, without replacing the tyre. A thin nail in the tread (B) can usually be repaired at a garage, if it is in the tread face of the tyre and not in the side. The Road Traffic Act requires a vehicle to be maintained in a condition that does not endanger safety, and the rules on technical conditions prohibit using tyres with visible cracks that expose or damage the carcass - a bulge is exactly a sign of such damage.
Legal basis: Art. 66 para. 1 point 1 of the Road Traffic Act (Prawo o ruchu drogowym); § 11 para. 7 point 5 of the Regulation of the Minister of Infrastructure on the technical conditions of vehicles and the scope of their necessary equipment