Why must you brake now?

You chose the correct answer: You must brake because of the motorbike. In this situation, although you have the right-of-way on the priority road, a motorcycle from the side street suddenly pulls out and crosses your path, violating your right-of-way. According to German traffic rules, you are required to react immediately to avoid an accident, even if another vehicle is at fault. Defensive driving means always being ready to stop for unexpected dangers, especially at intersections where visibility may be limited. The motorbike's unexpected movement makes it necessary to brake and ensure everyone's safety. This principle applies at any intersection: Always anticipate hidden risks and be prepared to yield or brake if needed, regardless of who officially has the right-of-way.