What to Do If the Car Key Is Lost? Is the Car in Danger?
2 Answers
Generally, modern cars come with two keys, one for regular use and the other as a spare. If the spare key is far away or cannot be found, it is necessary to call a professional locksmith to unlock the car. The 4S store can retrieve the car's anti-theft password based on the provided information and then configure a new key.
Last time I accidentally lost my car key, and I panicked immediately, mainly worrying that the car might be stolen by someone else. Nowadays, most cars come with anti-theft systems, especially smart keys, each paired with a unique code. Even if someone finds it, they can't start the engine without going through the matching process, so the risk is actually quite low. However, if it’s an older model with a mechanical key, the danger level is higher—someone might duplicate it or unlock the car directly. My suggestion is to first try to recall where the key might have been lost and search for it. If it can’t be found, use the spare key—I usually keep one hidden at home or with a trusted friend. If there’s no spare key either, don’t wait; immediately contact a 4S shop or a professional repair service. They can issue a new key and disable the lost one, ensuring the car is completely secure. The whole process should be done as quickly as possible to minimize potential threats. Additionally, filing a police report is a good habit—it provides a record in case anything happens. In short, the faster you act, the safer your car will be.