We used to use spray 9 to clean vinyl seats, door panels etc. Pretty much spray and wipe right off with little effort. Doesn't hurt anything if it stays on longer.

68 Road Runner, 69 Belvedere, 71 Challenger Vert
340 barracuda, 01 Ram CTD, 95 Ram, 04 Ram, 85 Daytona turbo Z
66 GTO, 06 Magnum RT AWD. 07 Ram CTD, 07 Ram