Coffee stains can be a nuisance on any car seat, but especially on a new or used car. The best way to remove them is to use a plunger and water. Pour the water onto the plunger and push it all the way down into the stain. Use your other hand to rub the plunger around the stain until it comes out. Be careful not to get any of the coffee in your hands, as it will cause you to have a lot of trouble getting it out.
