Can the 2011 Mini car key not have its battery replaced?

1 Answers
ElainaMarie
07/30/25 5:24am
Any car key can have its battery replaced. Here is the relevant information: Remote key: A remote key utilizes the wireless remote control function of the central locking system, allowing doors to be opened and locked from a distance without inserting the key into the lock. Basic components: This system mainly consists of two parts: the transmitter and the receiver. Transmitter: Composed of a transmission switch, transmission antenna (keypad), integrated circuit, etc. It contains an identification code storage circuit and an amplitude modulation circuit, with a button-type lithium battery installed on the opposite side of the circuit. The transmission frequency is selected according to the radio standards of the country of use, and the transmission switch sends a signal each time it is pressed. Receiver: After the transmitter sends the identification code using shortwave modulation, it is received by the car's shortwave antenna and enters the receiver's electronic control unit through a distributor for demodulation by the shortwave high-frequency amplification processor. The demodulated identification code is then compared; if it is the correct code, it is input into the control circuit to activate the actuator.
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