A vehicle system of a vehicle for a vehicle user having a camera, an evaluation unit which has a memory and is coupled to the camera, a communication device that is coupled to the evaluation unit, and a self-drive unit which is coupled to the evaluation unit for autonomously driving the vehicle. The camera views the face of the vehicle user and relays collected data to the evaluation unit. An artificial intelligence, in the evaluation unit, evaluates the data from the camera in relation to the attentiveness and emotion of the vehicle user. The evaluated data is stored in the memory of the evaluation unit. On the basis of a predetermined emotion or a lack of attentiveness of the vehicle user, recognized by the artificial intelligence, the vehicle user is notified of the emotion or the lack of attentiveness recognized and the self-drive unit can be activated.