The position of the working machine (1) and the position of the agricultural tools (4,5,7) is determined by a position locating method as a starting point (A). A mapping travel along a distance of predetermined length is performed, during which the working machine from the detected position of the agricultural tools is removed. A localization travel is performed in which the end point (B) of the distance of the mapping travel using the position locating method is approached automatically from starting point automatically. An independent claim is included for agricultural Working machine.