VEHICULAR ELECTRONIC DEVICE, OPERATION METHOD OF VEHICULAR ELECTRONIC DEVICE, AND SYSTEM

The present disclosure relates to a vehicular electronic device including a power supply configured to supply power, an interface configured to receive HD map data on a specific area and data on the location of a vehicle from a server through a communication device, and at least one processor configured to continuously generate electronic horizon data on a specific area based on the high-definition (HD) map data in the state of receiving the power, wherein, upon determining, based on the data on the location of the vehicle, that the traveling lane of the vehicle located at an intersection is different from a lane corresponding to a main path included in the electronic horizon data, the at least one processor changes the electronic horizon data based on the traveling lane.