While travelling on a motorway, it is expected that a vehicle may become immobilised because of traffic conditions. How should you act?

Switch on the position lights, even during the day.

While travelling on a motorway, it is expected that a vehicle may…

Correct answer

Warn of it by repeatedly using the brake lights.

The intention to immobilise our vehicle or to reduce its speed considerably, even when this is imposed by traffic conditions as in this case, must be indicated, whenever possible, by repeatedly using the brake lights or by moving the arm alternately up and down with short, quick movements.