Hahahaha, mehran. Bhai, there isn't any corolla that gave an ac issue from indus corolla 1995 (eliminating the accidential and no mantainance factor)
For a smoker, if cigarette accidently fall onto the seat, it will not burn easily, or there won't be a sign of it. Tried on a piece of it, and gave a lighter flame for a second or two and all I could see that it got black which was easily removable from surf.
Ps: Even after giving a lighter flame I wasn't able to tore it apart 