I've just got my 6 back from an independant garage where it's had the 75k service. Apparently the battery has been disconnected and it's thrown up a couple of strange electrical things. I managed to get the electric windows working from the drivers armrest but the factory fitted sat nav will no longer open using the open/close buttons and when i lift it up myself the screen simply says please insert correct disc!

Does anyone know how to fix this issue? The map disc is the same one that was working in it perfectly before the service!

Cheers,

UM