Trailer Hitch: Electronic surveillance, for towbar with open bottom plate (socket), incl. original plug and socket coupling, with flasher unit monitor (C2 module), with rear fog light deactivation, with park distance control deactivation, Setting of main power supply parameters not required, Harness with prefabricated socket, for towbar with closed bottom plate (socket), Cable harness is extendable for steady plus cable, Cable harness is extendable for charging cable