To clean plastic parts, please use neutral detergent adding to water.
Let us use tooth brush or applicator for small components like ventilation.
When mechanical components do not work smoothly, apply silicone a little after cleaning.
Please do not use petroleum agent. It deteriorates plastic. In use of home detergent, please refrain from using acid or alkali detergent or glass cleaner. Please use neutral detergent adding to water. Crack of plastic parts is caused by use of organic agent like cleaner.
A shield with scratch may prevent vision by rain or reflection of light. Please replace it quickly. Other components also are sold as options or replaced in repair. Please contact us easily.