It's one of the most frustrating things. After spilling milk on the car, the smell can linger for months. No matter what you do, the smell remains. When a stranger gets in the car, he will immediately notice how bad the car smells. This will be perceived as a great shame. The only solution that can prevent this and completely eliminate the smell is to change the upholstery of the car. This corresponds to a very large financial amount. So let's be careful not to drink milk in the car.