A communication system comprises: a hub apparatus configured to communicate with at least one external device; a terminal configured to establish a connection with the hub apparatus to control the at least one external device; and a vehicle configured to establish a connection with the hub apparatus to control the at least one external device, determine whether there is an overlapped control target with a control target of the terminal among the at least one external device, and when it is determined that there is the overlapped control target, take priority to control the overlapped control target.