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Dispositivos de seguridad
D1+EDispositivos de seguridad·Difficulty 2/5

In a D+E combination, before departure you must check that the electrical and, where applicable, air connections:

Options

  • Are properly connected and secured

    Connections between the towing vehicle and trailer are essential for lighting and any braking systems involved. They must be properly coupled before driving.

  • May be left disconnected on short trips

    Incorrect answer for this practice-bank question.

  • Are checked only when a lamp fails

    Incorrect answer for this practice-bank question.

Explanation

Connections between the towing vehicle and trailer are essential for lighting and any braking systems involved. They must be properly coupled before driving.

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