Originally Posted by Holdfast
Be very VERY careful with this.
In fact, I'd be tempted to say, pay the money & get it cleaned professionally.
My reason: I have alcantara/leather sports seats in my car. Sticky black masking type tape ended up on the alcantara part, which is basically like suede to the touch. I tried to clean it myself and ended up causing damage rather than cleaning. Admittedly, I didn't think too much before trying to clean...