In a motor vehicle having a chassis, an engine cooled with fluid via a coolant system and a filling connection for the coolant system, the filling connection is equipped with a filling opening, a removable closing cap for the filling opening and an overflow connection with a drain opening at one end, with the overflow being opened on removal of the closing cap. The method can comprise sending a frame identifier and a requested network address at a first time. The search command comprises a specific search key. One embodiment includes a guide feature to ease the insertion of the adapter module into the housing. The respective profiles are wavelike rounded in an axial direction of the dental implant and tapering from the crestal end of the outer body to the apical end of the outer body, such as to decrease tension between the inner and the outer bodies andor such that to provide for an anti-rotation lock between the two bodies.