To whom must you pay particularly close attention in this situation?

In this situation, special attention must be paid to cyclists. When you see a “General Danger” warning sign with a bicycle symbol or a “Radfahrer kreuzen” (cyclists crossing) sign, this alerts you to the increased possibility of cyclists entering or crossing the main roadway. German traffic rules require drivers to be particularly attentive and to reduce speed if necessary when such hazards are indicated. Cyclists can change speed or direction unpredictably, and they are more vulnerable than other road users. The red car and the white truck are part of normal traffic flow and do not require exceptional attention in this context, but cyclists—due to the warning sign and their exposed position—represent the special hazard you must focus on. Always prepare to brake and give them priority when required.