How to Maintain Car Keys?

[MacJudah]

Car key maintenance methods: 1. Do not expose the key to environments below 0 degrees Celsius or above 50 degrees Celsius, as this will significantly reduce battery life; 2. Keep the key in a dry environment, as humidity can decrease battery life; 3. Avoid placing the key with hard objects to prevent scratching the chrome plating; 4. Do not place the key near high-power appliances such as TVs, microwaves, washing machines, or computers, as these can reduce the remote control battery life. How car keys work: A weak radio wave is emitted from the key, received by the car's antenna, identified by the electronic control unit (ECU), and then the system's actuator performs the locking or unlocking action. The system mainly consists of a transmitter and a receiver.