How to deal with lost car keys;
1, just use the key, without changing the lock of the whole car.
Advantages and disadvantages: it is a little economical, but the disadvantage is that the original machine can open the door, but it can't start the vehicle.
If you are sure that the key has not been stolen, you can go to the 4S store or the auto parts city to get a key, if you put it in a place where you don't park very often. The maintenance station needs the identity documents of the vehicle and the owner. According to different models, the maintenance station requires the owner to provide the 17-digit anti-theft password with the vehicle key. After the maintenance station gets this anti-theft password, it will provide the owner with a metal key. It will also set the lost key as an illegal key by modifying the parameters of the car computer. The lost key can physically open the door, but the vehicle cannot start. The price of this method is low, ranging from hundreds to thousands according to different models.
2. Replace the car lock.
Advantages and disadvantages: very safe, the original electric mechanical key can not be used. The disadvantage is that it is more expensive.
If you want to be 100% safe, go to the 4S shop or go to the auto parts city repair station to change the whole car lock. According to different models, the locks that need to be replaced are different, and the price may be thousands to tens of thousands.