The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. A method for an electronic device according to various embodiments of the present invention comprises the steps of: registering user information and user customized setting information to a security server; detecting a relevant vehicle; and performing authentication in the security server by means of the user information if the relevant vehicle is detected, wherein, if the authentication is valid, the user customized setting information registered to the security server is transmitted to the relevant vehicle. However, the present invention is not limited to the above embodiments, and other embodiments are possible.