Remote control key, generally refers to the addition of a remote control on the basis of the mechanical key. With this remote control, we can perform various operational functions in the car. If the remote key is flooded, the internal chip may be damaged, resulting in the door cannot be opened and closed remotely, but the mechanical part can still be used after the water is flooded. The key chip is used to prevent engine theft. If the water is damaged, the engine won't start. At this point, we can only call professionals to repair