I was cleaning the boot on my clio 182 out and the boot mat looked wet so I left it out to let it dry . Turned out it wasn't wet but oily anyway looked in the boot spotted this 
		
		
	
	
		 
	
		 
	
		 
	
After a bit of prodding most of the patch is rock solid but were its black it's gone soft and oily .any ideas what it is , for , if all clios have it , and do I need to replace ?
Thanks for any help
			
			After a bit of prodding most of the patch is rock solid but were its black it's gone soft and oily .any ideas what it is , for , if all clios have it , and do I need to replace ?
Thanks for any help
 
	             
						
					 
 
		 
 
		 
 
		 
 
		