To fix a small hole in a leather seat, you need to clean off the area around the hole. Use a damp cloth with mild soap and water to wipe down the area around the hole.First, you need to clean the area with a damp cloth and dry it. Then apply leather cleaner or cream to the hole and let it dry.If there's a small hole in your leather seat, don't fret. There are several ways to fix it depending on the size of the hole and what tools you have lying around.The most important thing you can do is make sure that the leather surface isn’t damp when you go to repair it. If it is, let the leather dry out before proceeding with the repair.