My dealer says that in order to link the DVD Changer video to the rear screen, you also need to unblock the "TV in motion" security screen.
I'm not convinced that this is true, but who knows.
Also, they claim to have exeperience with people enabling the TV in Motion, that this might stop working with a software update.
Also not a very convincing argument.
I guess they simply don't want us to mess around with all of this,
The main question remains: Why sell a DVD changer if you can't use it (on the back screen) while driving.
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