Yes you are correct. You are allowed to use the Lichthupe (or the normal horn as well) _once_ when indicating that you are going to overtake. But that's only fo

Yes you are correct. You are allowed to use the Lichthupe (or the normal horn as well) _once_ when indicating that you are going to overtake. But that's only for situations on single lane roads where there is already enough space to overtake. You are not allowed to push other drivers around it is only for signalling that your overtaking maneuver is about to happen.