Can Smart Car Keys Be Duplicated?

2 Answers
Elle
07/29/25 7:15am
Actually, any key can be duplicated. A car remote key not only has remote control functions but also a primary feature: anti-theft. Each remote key has a unique "code" that is also registered in the car's anti-theft system. Therefore, duplicating a new remote key requires matching this "code" with the one in the car's system. Once matched, the new remote key can be activated, and the lost key will immediately become invalid. More relevant information is as follows: Car Key: A tool for switching the car on and off. Modern car keys use chips, which are part of a magnetic chip system. The ignition lock's reading coil reads the chip in the key; each chip contains fixed digital information. Remote Key: A remote key allows you to unlock and lock the car from a distance without inserting the key into the lock. Its greatest advantage is that, regardless of day or night, you don't need to locate the lock hole to conveniently unlock or lock the car from a distance.
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DeMolly
08/12/25 10:34am
I recently helped my dad get a smart key for his Lexus. It's not overly complicated but definitely requires professional help. Nowadays smart keys are essentially mini computers that need to have encrypted data reprogrammed to match the VIN - you can't do it without specialized equipment. Dealerships can handle it of course, but they charge outrageous prices, typically 3,000-4,000 yuan. I discovered third-party auto repair shops can also do it, as long as their equipment can read your car's anti-theft system, at about half the price. Just remember to bring the vehicle registration certificate and owner's ID card, otherwise they won't dare to make a copy for you.
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