VEHICLE AIR-CONDITIONING CONTROL SYSTEM AND COMPUTER-READABLE STORAGE MEDIUM STORING VEHICLE AIR-CONDITIONING CONTROL PROGRAM

An air-conditioning control system includes an information receiver configured to communicate with a second vehicle around a first vehicle, to acquire drive source information of the second vehicle, and an air-conditioning controller configured to control an air conditioner of the first vehicle in an inside air recirculation mode or in an outside air introduction mode based on the drive source information. The drive source information includes active drive source information indicating a drive source that is currently active in the second vehicle, such that the air conditioner is controlled in accordance with the active drive source.