Originally Posted by GomangoCuda
Acetone definitely worked for me many years ago on a worn set of black wrinkle painted Cal Custom covers but they we're not polished underneath. I don't know if it would dull or discolor the polished surface. I did it outdoors with heavy rubber gloves and a face shield.

Brake fluid might work?


Sound like the easy & cheaper way to go.
Try it on a small area first to see.