Here it is before cleaning
After Cleaning with Poorboy's Spray & Wipe
After cleaning with Costco Oil Eater and Detail Brush
After applying a coat of Poorboy's Bold & Bright
This method has always worked great for me. I've also had good luck with Mr. Cleans Magic Eraser, just don't use it on the paint.
Make sure to let it dry completely before applying dressing to make sure that all of it was removed.