I use a leather care gel and it cleans the gray right up.
http://www.amazon.com/Blue-Magic-860-Leather-Care/dp/B003F036IU/ref=pd_bxgy_auto_text_z
I use a leather care gel and it cleans the gray right up.I'm in and out of my car often, and I've noticed the gray trim gets really dirty, really fast. Kind of annoying, especially since I like to keep my car spotless.
Gonna post a pic in a minute or two.