This advice goes to a professional place to match the key chip!
Go to the 4S store, get the keys remade. Car keys lost backup keys can be used normally, but the relatively safe and high-end point of the car key is that if you want to match a remote control key, the 4S shop needs to match the new key with a \"code\" on the original car. Once the match is complete, the new key can be enabled and the lost key becomes invalid.