The licens agrement where its stated is still at Opel.de, the danish importer of Opel Will do nothing (Wismo)
Still shows until 2031.. are there and of the germans that are very good at getting opel to say something, no that tilnav have put in that there is no longer a contract.
https://www.opel.de/opel-erleben/infotainment/navigations-systeme/iou-multimedia-navi-pro-8-inch-touchscreen.html