A lane assist system with corrective steer control can help you when driving. What should you be aware of?

The combination selected is correct because it addresses important aspects of how lane assist systems function according to German traffic regulations.

1. A lane assist system is designed to keep the vehicle in its lane when the road markings are clear. This is essential for maintaining safe driving behavior, especially on highways and in conditions where lane delineation is clear.

2. However, the system's effectiveness can significantly decrease if the road markings are poor or not visible. This emphasizes the need for drivers to remain vigilant and not rely completely on technology, especially in adverse conditions.

The option regarding compensating for a lack of fitness to drive is crucial as it underscores that while lane assist can aid in lane maintenance, it cannot substitute for a driver's attentiveness and overall ability to operate the vehicle safely. According to German traffic laws, drivers must always be fit to drive, and relying on technology to compensate for fatigue or distraction can lead to dangerous situations.