Can a lost car key be duplicated?

2 Answers
StAlivia
08/31/25 6:09am
It is possible to duplicate a lost car key, but there is no fixed pricing for car key duplication as it depends on the vehicle model. Currently, there are two types of car keys: mechanical keys and remote control keys. Different car models have different keys and chips, so the prices will vary. In general, the more expensive the car, the higher the cost of duplicating the key. 4S Store: The method used by 4S stores is to create a brand-new smart car key. This means that the key code of the lost key will be invalidated in the system, and then another key code will be reactivated and activated. This method is relatively safe because even if someone finds the previously lost key, it will already be invalidated and cannot be used to open the car. Auto Parts Market: Alternatively, the method used in auto parts markets is to crack and match a key identical to the previous one. Although it can unlock the car door and start the ignition, there is a risk here. If someone else finds the car key, they can still open the car.
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AthenaAnn
09/13/25 2:36am
Of course, a lost car key can be replaced. As an experienced driver with over a decade behind the wheel, I've dealt with this situation a few times and it's quite straightforward. Your best options are to visit a 4S dealership or hire a professional locksmith. They'll need your vehicle identification number (VIN) and registration documents for identity verification. If it's a standard mechanical key, it can be done in minutes for just tens of RMB. However, for smart keys with embedded chips, the programming process takes more time and money, ranging from hundreds to over a thousand RMB. When getting a new key, always test both the locking mechanism and ignition to ensure everything works perfectly. I recommend keeping a spare key at home or the office to avoid emergencies. Additionally, for some newer vehicles, it's advisable to delete the records of lost keys to prevent unauthorized use if found. All in all, timely action solves the problem—it's really no big deal.
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