Вообщем чем закончилась моя история:
они поставили гу на тигуан у себя и вот итог:
we install our player to an VW tiguan in our factory to test in these days,it's same as yours,and our engineer and the software developer come too,it's just the WHITE CAR MENU display disappear slowly and it's no different with your friend's car dvd player, just the white car menu stay long time than your friend.and when you change to the "P" in gear,the WHITE CAR MENU show quickly ,just disappear delay once you finished the "P"
After these days,the developer and engineer make sure that there is no problem with CANBUS and software, they have checked the software and canbus code and said the long time display about the white car menu is design this ,it's no effect buyer's function ,so we hope you can accept this ,it's really no problem with our player and canbus,just white car menu disappear slowly.
Так что я хз, что дальше делать. Скорее всего завтра отключю вагкомом визуальное отображение парктроников, и наверное больше не буду возвращаться к этому.