● Protect the battery pile head to prevent the electric pile head from being oxidized and corroded, causing poor contact and other phenomena. ● effective lubrication to protect automobile door hinge, door buckle, lock hole, guide rail and other parts. ● effectively protect the Block glue of car power windows to prevent aging and deformation of Block glue after long-term use. ● after joining, you can obviously feel that the vision is clear and can play a good protective effect on the wiper blade. Maintenance focus on regular cleaning and maintenance to prevent parts from aging and affect driving experience. Service cycle each 3maintenance once a month.