VEHICLE-TO-VEHICLE COMMUNICATION DEVICE

Disclosed is a vehicle-to-vehicle communication device provided with: a wireless communication unit; a GPS device; a position-information acquisition unit that uses the GPS device to acquire position information; a display unit or a voice output unit; a recording unit in which map information is recorded; an emergency-vehicle detection unit that receives, from the wireless communication unit, emergency-vehicle information that includes information on emergency vehicles, and then on the basis of the position information, the emergency-vehicle information, or the map information, determines whether there are any emergency vehicles within a prescribed range of the local vehicle; a determination unit that, if an emergency vehicle is detected, uses the abovementioned various information to determine the approach status of the emergency vehicle with respect to the local vehicle; and an annunciation unit that uses the display unit or voice output unit to provide a notification of the determined approach status.