Try to delete cache file.
Yup, you can change on the wheel upto 5 rotation position.
I let the game do..
On my standard PS4, running on a Samsung FHD TV i don't have input lag with my T150..
My advanced wheel settings on GT are
5
5
7
Just hope that PD improve the FFB... Because what a difference between AC and even the 2 Pcars..