Abstract: An electronic device is disclosed, including a sensor module configured to recognize boarding and alighting of a passenger from the vehicle, a network interface configured to communicate with a mobile device disposed in the vehicle, a memory, storing a program including one or more instructions, and a processor. The processor implements a method, including: detecting alighting of the passenger using the sensor module, or when a mobile device disconnects from the network interface, determining, by the processor, a deletion level for data related to personal information of a passenger, the deletion level based on a use history information of the passenger, including a latest use time and a use frequency, and deleting the data from the memory according to the determined deletion level.

Abstract: An embodiment of the disclosure relates to a method of detecting the location of a user located in a vehicle, the method including performing pairing between a mobile device of the user and the vehicle, outputting a plurality of sound wave signals respectively from a plurality of speakers located in the vehicle, the plurality of sound wave signal being different from each other in at least one of a frequency band and a time period, and obtaining user location information which is information about a user location detected based on an audio signal received by the mobile device in correspondence to the plurality of sound wave signals.

Abstract: An electronic device and method are disclosed herein. The electronic device includes a sensor module configured to recognize boarding and alighting of a passenger from the vehicle, a network interface configured to communicate with a mobile device disposed in the vehicle, a memory, storing a program including one or more instructions, and a processor. The processor implements the method, including: detecting alighting of the passenger using the sensor module, or when a mobile device disconnects from the network interface, determining, by the processor, a deletion level for data related to personal information of a passenger, the deletion level based on a use history information of the passenger, including a latest use time and a use frequency, and deleting the data from the memory according to the determined deletion level.