Passat b8 problems!

Hi...

First time here.

I have some strange problems with my b8.

Fis or bord computer!

When you open back side door left on screen is right side open??? Or right door and on screen is left.

Front door are ok..

Watter loost in week 2l

Wind on left front door,

Engine idle runs abaut 900 to 1200rpm

And some times car opens self or when i stop and turn engine off he make one blink with turn signals for no reasons??

Anyideas?

Thanks

Passat b8 2.0 tdi 2015/11