Nowadays, as more and more people own private cars, everyone hopes that their beloved car can last longer and reduce the cost of repairs. To achieve this, one must learn how to scientifically maintain their car. However, there are often issues that arise during car maintenance. Car maintenance experts introduce that some people think they are maintaining their car, but in reality, they end up inadvertently damaging it. After reading about these 12 wrong maintenance methods, why don't you see if any of them apply to you? If they do, make the necessary changes; if not, use them as a cautionary note!