If the seventh-generation semi-Accord key chip is lost, you first need to contact the vehicle manufacturer or car dealer to make a spare key. They will usually ask you to provide information about the vehicle and your own identification.
In addition, consider contacting a professional automotive locksmith who may have the appropriate technology and equipment to recreate the key chip.
In this process, we should pay attention to the protection of personal information and vehicle safety, ensure that the choice of reputable service providers, to avoid security risks. It is also possible to consider replacing the entire key system to improve vehicle safety.