How to change Ming Rui's key battery

Ming Rui, how to replace the key battery?

Turn the remote control key marked with Skoda logo upward, first slowly pry it into the middle gap with a flat screwdriver, and then separate the key cover to both sides to see the battery in the car key. At this time, you can pry the battery out along this groove with a thin screwdriver, take out the battery and replace it with a prepared new battery, with the positive pole facing up. Remote control key is a key that can remotely open and lock the door without inserting the key into the lock hole by using the wireless remote control function of the central locking lock. The working principle is simple: firstly, a weak radio wave is emitted from the key, and the radio wave signal is received by the vehicle antenna, and the signal number is identified by the electronic control unit, and then the system actuator (motor or electromagnetic coil) performs the on/off action. After the key is awakened, it will analyze the authentication password issued by the car and send out corresponding signals, which are encrypted to improve security. The car will compare the received signal with the information stored in the car. If the verification passes, the car will open the door lock. Once the driver enters the car, just press the start button and the car engine will start. Generally speaking, the battery of car keys is button cell, which has a relatively long service life. Generally speaking, batteries can be used for more than 3 years. If you count the spare keys, basically many car owners may have no electricity even if they change cars.