Hi guys, my 2002 X5 TV screen seems to be working perfectly, but I struggle to see what's on the screen because it is all so dark. The TV, menus and sat nav are all the same. In sunlight I can see whats on the screen, but when it gets dark, I struggle to see anything. Is there an option to adjust brightness (just to check that its not that)? Or is it likely to be a ribbon, or TV module problem??

Any comments gratefully received!