How Many Years Can a Car Remote Key Battery Last?

1 Answers
Frodo
07/30/25 1:51am
Generally, the lifespan of a remote key battery is 2-3 years. More information about car remote keys is as follows: 1. A remote key utilizes the wireless remote function of the central locking system, allowing you to unlock and lock the doors from a distance without inserting the key into the lock. 2. How a remote key works: The key emits a weak radio wave, which is received by the car's antenna. The electronic control unit then identifies the signal code, and the system's actuator (motor or electromagnetic coil) performs the locking or unlocking action. 3. Remote key usage methods can be divided into three categories: active working mode, passive working mode, and coil induction mode.
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