Using this Emax Interceptor FPV RC Car Body Parts Kit is easy. First, make sure your RC car is turned off. Then, carefully remove the old parts and replace them with the parts from this kit according to the pictures. When handling the motor and motor case, be gentle to avoid any damage. As for maintenance, keep the parts clean and dry. After each use, check for any signs of wear and tear. If you notice any issues, contact us right away. Also, store the parts in a cool and dry place when not in use to extend their lifespan.