COMMUNICATION SYSTEM, VEHICLE, SERVER, METHOD FOR CONTROLLING VEHICLE, AND NON-TRANSITORY STORAGE MEDIUM

A communication system (20) includes: a communication device (30) configured to communicate with a server (100) external to a vehicle (2; 3); and a control device (40). The control device (40) is configured to: control the communication device (30) to receive predetermined data from the server (100) while the vehicle (2; 3) is traveling along a travel route to a destination; acquire first and second sections among the travel route; control the communication device (30) to receive the data while the vehicle is traveling in the first section; and control the communication device (30) in such a way that an interruption process is completed before the vehicle (2; 3) travels in the second section. The first section is a section where the data is received. The second section is a section where the data is not received. The interruption process is a process of interrupting the reception of the data in a resumable state.