A method for operating a driver assistance system of a vehicle, includes providing and using data for making a decision as to whether or not the driver assistance system is to provide a driver assistance function, detecting a vehicle position when the driver assistance function is provided, and assigning the detected vehicle position to the used data to create a set of driver assistance system data. A device for operating a driver assistance system of a vehicle, as well as a vehicle system for a vehicle and a computer program are also described.