What do hazard warning lights draw your attention to?

The combination of answers you selected is correct because hazard warning lights serve multiple important functions according to German traffic regulations.

1. **To vehicles which have broken down**: When a vehicle is stationary due to a breakdown, its hazard lights indicate to other drivers that it poses a potential hazard. This warning helps to prevent accidents caused by unexpected obstacles on the road.

2. **To school buses with children boarding or alighting**: Hazard lights on school buses signal to other road users that children are in the vicinity, allowing them to exercise caution during pick-up and drop-off times, enhancing safety for young pedestrians.

3. **To traffic congestion**: When driving through congested areas, hazard warning lights alert following drivers to a slowdown or stop ahead. This helps prevent rear-end collisions by conveying the message that the traffic situation has changed.

Overall, understanding the full range of meanings behind hazard warning lights is crucial for maintaining safety on the roads and adhering to the rules of the road in Germany. It ensures that all drivers are aware of potential dangers and helps facilitate smoother traffic flow.