For the two core vehicle parts, engine, gearbox tailored personalized service. You only need to pay the membership fee, you join the members of yue line, enjoy eight years or 180000 kilometers (will be subject to first come) 4 s store high quality maintenance service free of charge. Your vehicle within the guarantee period, all for the engine, transmission system of mechanical fault can enjoy high quality free maintenance service 4 s shops, partners, materials, and due to engine transmission system malfunction caused by trailer expenses shall be borne entirely by the security services, you do not need to undertake any additional cost.