Accidents happen. But when they happen to leather furniture, or the seats in your car it's not good news. And short of getting the seats "matched and patched" or completely re-covered, you really ...
A. For a small repair of a crack or hole which measures less than 1" to 1 1/2" in diameter, use PVC (polyvinyl chloride) glue, which is a type of adhesive manufactured specifically for vinyl.