The working principle of the remote control car key is to send out a weak electric wave from the key, the electric wave signal is received by the car antenna, the signal code is recognized by the electronic controller ECU, and then the actuator of the system executes the opening/closing action. The ......

Stores that provide car keys can change the car key shell. If you know how to open the shell, you can also buy a shell online and change it yourself.

What should I do if I suddenly find that my car key is useless? Below are the possible trouble spots.

The car key has gradually developed from a traditional mechanical key to a remote control key.

Each remote control key is equipped with a mechanical key, and we can use the mechanical key to open the car door.

Car remote control failure If it is checked that the car key shell is not broken but caused by interference signals, you must pay attention to safety.