This sounds very stupid but worked for me.
I had a box on my Model 3 (white) back seat which was wrapped with tape. When I got the box out of the car, some of the tape stuck to the seat and left adhesive/glue, resulting a big black stain. To get rid of the stain, I tried different kinds of cloth, different cleaning spray's, water, nothing worked. The big black stain stayed. Until I though, spit digests my food, why would it not dissolve my stain. I put some spit on the stain and used some dry cloth to wipe the stain away. The stain immediately disappeared.
