Here are some links you might find useful:
It’s an older case but I believe it talks about the issues you described. I briefly scanned over it.
This link is to some supervisory guidance issued by the FDIC on the subject of Indirect Auto Lending which might prove to be useful.
This link will allow you to look up enforcement actions handed down by the FDIC.
This link will allow you to look up enforcement actions handed down by the OCC.
I hope this helps.