In today's modern civilization, this mode of transport vehicles have become indispensable to human life partner. Since1886, the first birth of a motor vehicle in Germany, it is to people's lives and work has brought great convenience, which greatly improves the way people work, live efficiency, it has become the vehicle of modern material civilization one of the pillars. However, we should also clearly see that the rapid development in the motor vehicle industry, production and ownership while increasing ve...