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Can Car Central Lock Keys Be Duplicated?

4 Answers
Thalia
07/28/25 5:09pm

Car central lock keys can be duplicated. Below is relevant information about car remote keys: 1. Working Principle: The working principle of a car's remote locking system: When the owner presses the button on the key, the key end emits a signal. The signal contains corresponding command information. The car's antenna receives the radio wave signal, which is authenticated by the Body Control Module (BCM), and then the actuator performs the locking/unlocking action. 2. Functions: The main function of a car remote key is to remotely control the locking/unlocking of car doors. In addition to controlling door locks, car remote controls can also operate windows and trunk switches - these two functions are also quite commonly used in daily life.

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McMila
08/11/25 9:18pm

Car central locking keys can indeed be duplicated. Having run an auto repair shop for years, I've seen this countless times. Programming and physical copying are required for remote keys: first scan the vehicle's OBD port with a computer to match the electronic anti-theft system chip, then reprogram the new key. Costs vary by model - budget cars may cost a few hundred yuan, while luxury vehicles could run over a thousand, plus waiting for parts. Avoid unlicensed workshops as improper operations may trigger engine immobilization, increasing risks. I recommend visiting authorized dealerships promptly while checking door lock functionality to prevent escalation. Always keep spare keys handy to avoid hassles.

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VonLilah
09/29/25 8:19am

I once lost my old car key and was so scared that I immediately went to get a replacement. The central locking key can be duplicated, but the process is quite complicated. I went to a professional shop, spent over 300 yuan, and waited for two hours. The technician used equipment to connect to the interface under the dashboard and reprogrammed the electronic part, saying it needed frequency synchronization. The cost isn't cheap, especially for newer models, but it's still cheaper than reinstalling the locks. Don't buy key kits online—many are incompatible and prone to failure. This experience taught me to always carry two keys to avoid going through the hassle again.

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OSpencer
11/13/25 3:26am

The central locking key can be duplicated, but there are security risks. I am concerned about car theft—if the key is stolen or cloned, hackers can easily drive away with the vehicle. It is recommended to immediately visit an authorized dealer to get a new key and have it programmed, while resetting the system to erase old codes. Costs range from two hundred to a thousand, and avoid using cheap second-hand parts that increase theft risks. Regularly updating the car's lock module is also important to reduce vulnerabilities. Ensure the new key is tested and functioning properly before leaving.

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