OIL+ CLIO SEAT= HELP NEEDED (PIC)

[AlexG]

passenger sat in something im assuming oil and then sat in my car
its the velour seats and i dont have a clue what to do with it. i dont want to make it worse so i thought it would be best to ask. any help will be greatly appreciated. picture doesnt look as bad as it really is

 

[paddyirishman]

Have you got a car valeter near you you could ask?
I use G101 to get rid of most things but im not sure about oil