Topic: Vehicle mechanics and maintenance · Nº 340 / 539

En caso de decidir poner unos neumáticos de invierno, ¿cuándo deberá cambiar los neumáticos de verano por unos de invierno?
If you decide to fit winter tyres, when should you change your summer tyres for winter ones?
- AComo muy tarde a principios de diciembre.At the start of December at the latest.
- BCuando la temperatura ambiente caiga por debajo de 7 grados centígrados. aproximadamente.When the outside temperature drops below about 7 degrees Celsius.
- CTan pronto como caigan las primeras nieves.As soon as the first snow falls.
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Correct answer
- BCuando la temperatura ambiente caiga por debajo de 7 grados centígrados. aproximadamente.When the outside temperature drops below about 7 degrees Celsius.
Explanation
Winter tyres use a rubber that stays flexible in the cold, so it is recommended to fit them when the temperature is usually below about 7 °C. Below that figure, the rubber of summer tyres hardens and loses grip, even if there is no snow.
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