What should you do when you approach this traffic sign?

This traffic sign warns of uneven road surfaces ahead, such as bumps or potholes. According to German traffic rules, you should reduce your speed when you see this sign. Slowing down helps prevent damage to your vehicle and ensures you can maintain control over bumps or rough patches. It is not safe to increase your speed or to make sudden steering movements to avoid the uneven patches. Always approach carefully and drive at a speed that allows you to react safely to the road conditions. Your choice to reduce your speed is correct.