As one of the key models of the Audi family models，the Audi A4 car model was introduced into China by FAW Volkswagen Automotive Co.，Ltd.since 2003 and the extended version was launched in 2008.In September 2016，the 9^th generation of the domestic-made Audi A4L model was launched （the first generation model was Audi 80）.The new generation of the model continues to uphold the principle of the “Achieving Breakthrough in Technology and Inspiring the Future” to constantly conduct the breakthrough and innovation in all aspects and improve the quality of the products to a new level.In the area of vehicle safety performance，it is equipped with a driver airbag，passenger airbags，front and rear seat airbags，front and rear head sides air curtains，active preload+collision preload+dual-type front seat belts，preloaded+limit type rear seat belts，collapsible steering column，ultra-high strength hot-rolled steel body frame structure，seat belt reminder，ISOFIX child seat interface and other passive safety measures，and take the initiative of using ESC，Audi pre-safety system and other active security program.At the same time，it also carried out a large number of development and validation tests，test projects and accreditation evaluation （they are more stringent than the national standards） to ensure the safety and reliability of the new Audi A4L.