1, alarm and insurance: If the car keys are lost, call the police in time to prevent others from using the car maliciously. At the same time, if you buy vehicle insurance, you can contact the insurance company to understand the relevant compensation and solutions.

2. Preparation of new keys: If the vehicle manufacturer or dealer can provide the service of re-preparing keys, it shall provide relevant documents and vehicle information to prove that it is the legal owner of the vehicle. Usually, it takes some time and expense to reconfigure the key.