After overtaking, the truck behind you flashes briefly once: this is what the driver wants to tell you

is primarily used

between truck drivers. However, you may also encounter it as a car driver. This happens, for example, when you are traveling with a caravan or trailer. With just a passenger car, you can usually clearly see when you have passed a truck. With a caravan behind

the car, that is much more difficult. Your vehicle combination

is suddenly several meters longer.

A truck driver may therefore also briefly signal to you with his headlights. By doing so, he lets you know that not only your car, but also your caravan, has passed him. This occurs regularly on