What to Do When Car Keys Are Lost Without a Spare?

2 Answers
JayceLee
07/29/25 6:47am
You can contact a professional locksmith to unlock the car, then go to a 4S store to have a new key made. Relevant documents such as ID card and vehicle license must be provided. If the vehicle license is not available, you need to file a report at the local police station. Once the car key is lost, even if a new key has been made, it is still important not to leave valuables in the car. When a new car leaves the factory, it usually comes with 2 to 3 keys. Additionally, each new car has a unique anti-theft key code. If you need to make a new key, the 4S store can retrieve the anti-theft key code from their database using the vehicle license and the owner's ID. After obtaining this code, the 4S store will require the key's tooth shape number to create a new metal key. Every car has a unique anti-theft code. By providing the vehicle license and personal ID to the 4S store, they can retrieve the vehicle's anti-theft code and make a new key. They can also deactivate the lost key, rendering it unable to start the car, though it may still open the doors. Therefore, the 4S store may recommend replacing all the locks to ensure security.
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McMaddox
08/12/25 10:10am
Last time I lost my car key and didn't even have a spare, don't panic too much yet. First step, try using your phone app for remote unlocking if your car supports internet connection - many newer models have this feature which can temporarily solve the urgent problem. If that doesn't work, it's best to directly call a tow truck to take your car to the dealership and have them make a new key. Don't try DIY solutions, as you might damage the anti-theft system and create bigger troubles. Making a new key will cost some money, usually ranging from a few hundred to over a thousand yuan depending on the car model. The key point is, remember to make a spare key in the future and keep it somewhere safe at home. I learned my lesson and now regularly check my key situation to avoid similar embarrassing situations. Don't count on roadside shops - they might not handle smart keys well, professional places are more reliable. The whole process usually takes about one or two days, won't affect daily use.
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