In which cases must you abandon overtaking?

Your answer is correct because according to German traffic rules, you must abandon overtaking in these situations to ensure safety. First, if the vehicle you are overtaking suddenly accelerates, continuing to overtake could lead to a collision, so you must give up overtaking. Second, if there is danger from unexpected oncoming traffic, overtaking would be unsafe as you might not have enough space or time to complete the maneuver safely. The third option—when the overtaken vehicle slows down significantly—is not a reason to abandon overtaking; in fact, it usually makes overtaking easier and safer. Understanding these rules helps prevent accidents during overtaking maneuvers.