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.

There are many reasons for the failure of the remote control key. Let me introduce some common situations.