Topic: Vehicle mechanics and maintenance · Nº 380 / 539
¿Cuándo hay que cambiar los neumáticos?
When must tyres be changed?
- ACuando la profundidad del dibujo es inferior a 1,6 mm.When the tread depth is less than 1.6 mm.
- BCuando la profundidad del dibujo es inferior a 2 mm.When the tread depth is less than 2 mm.
- CCuando la profundidad del dibujo es inferior a 3 mm.When the tread depth is less than 3 mm.
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Correct answer
- ACuando la profundidad del dibujo es inferior a 1,6 mm.When the tread depth is less than 1.6 mm.
Tyres must be changed when their tread depth is less than 1.6 mm. This is set out in Spanish traffic rules, which say that this is the minimum depth allowed for adequate grip and safe driving. A tyre with less than this depth has a high risk of aquaplaning and reduced braking ability, which can put road safety at risk. The 1.6 mm answer is correct because it meets these specific rules (Traffic and Road Safety Code).
Independent app: not affiliated with or endorsed by the DGT (Spain's Directorate-General for Traffic) or the Ministry of the Interior. The official exam is booked with the DGT and taken at its test centres. The questions here are practice material; the DGT's official question bank is not public.