Communication device, communication program, and recording medium recording communication program

A communication device mounted on a moving body, the communication device comprising:

• a memory that receives communication information according to a present communication condition;
• a processor that determines whether a service is provided in accordance with the received communication information, the processor executing a Process according to the program;
• a display controller that displays display information needed to provide, the service on a map displayed on a display unit, when the service is provided according to a result determined by the processor;
• and
• a detector that detects whether an emergency vehicle exists in accordance with the received communication information,
• wherein the display controller displays an icon indicating the emergency vehicle on the map in the case of existence of the emergency vehicle is detected, and
• wherein the display controller makes the icon indicating the emergency vehicle on the map disappear in the case of the emergency vehicle and the moving body pass each other, and a distance between both is greater than or equal to a prescribed distance or an elapsed time period after passing each other is greater than a prescribed time period.