You have the lane keep assist system activated in your motor vehicle. It emits a warning signal while you are driving. What could be the cause of this?

The combination of answers you've selected is correct because both options indicate common scenarios that would trigger a warning from the lane keep assist system.

1. Failing to activate your indicator when changing lanes is an important consideration in road safety, as it can lead to sudden lane changes and accidents.
2. Leaving your lane unintentionally can occur due to distraction or drowsiness and can result in hazardous situations on the road.

The lane keep assist system is designed to help prevent these types of incidents by alerting you when it detects that you are deviating from your designated lane without signaling, thereby promoting adherence to traffic regulations which prioritize safety and predictability on the road.

Understanding these functions helps you to stay aware of your driving behavior and the importance of using indicators and maintaining lane discipline in accordance with German traffic laws.