Why Can't the Spare Key Open the Car Door?

1 Answers
DiEzra
07/30/25 2:17am
Spare key cannot open the car door may be due to the spare key running out of battery. Related introduction: 1. Solution: You can install a Keyless Start System, which allows starting the vehicle without taking out or turning the key. Simply place the key in your bag or pocket, press the button inside the car or turn the guide plate to ignite the engine. This is more convenient and significantly enhances the sense of luxury and technology. 2. Extension: The system uses the most advanced Radio Frequency Identification (RFID) technology, automatically locking and unlocking the doors through the chip in the smart card carried by the owner. This means when the driver approaches the vehicle within a certain distance, the door locks will automatically open and disable the anti-theft system; when the driver leaves the vehicle, the door locks will automatically lock and activate the anti-theft system.
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