A device sets at least one operating parameter of at least one vehicle system of a motor vehicle. The device has at least one movement detection apparatus for determining the movement of at least one person located inside or in the vicinity of the motor vehicle, which movement detection apparatus is designed to determine at least one person-specific movement information item using at least one person-specific movement signal which is supplied by a person-side movement sensor system and relates to the movement of the person. The device is designed to set the at least one operating parameter of the at least one vehicle system using the person-specific movement information item. The device also has a memory in which certain settings of an operating parameter of a vehicle system are assigned to certain person-specific movement information items.