Cabview problem

I downloaded Michael (bobbel66) Zimmer UP and SP dash 9 set. And the inside cab view, looking out the window is messed up.
I also did followed the read me page, i could have made a mistake, help if you can.
All i can see out the window is a reflection of the inside, like this
I also did followed the read me page, i could have made a mistake, help if you can.
All i can see out the window is a reflection of the inside, like this