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

busy German motorways, for example. However, this does not mean that you must immediately steer to the right. Always check your own mirrors first. You alone remain responsible for a safe lane change.
Vehicle & Traffic Safety
Sometimes a
thank you follows.

Anyone paying close attention may see something

else happen after the light signal. Truck drivers

regularly thank each other for this help. For example, a driver who has moved back to the right might briefly use their hazard lights. Sometimes, the left and right turn signals are also used for just a moment. By doing so, the driver is