What is the right course of action here?

In the given scenario, the traffic situation involves a green car and a red car, indicating potential right of way. German traffic law states that vehicles on the main road have priority over those on a secondary road unless indicated otherwise by signage.

If the green car is on the main road and the red car is on a side street giving precedence (indicated by the yield sign), the green car may proceed first. The correct choices reflect that the green car can go ahead, while any action from other vehicles should yield to it when the situation demands.

Understanding the correct prioritization based on traffic signs and road rules is crucial. Yield signs signify that drivers must give way to other traffic, making it essential to identify who has the right of way to ensure safe driving conditions.