The present application discloses a method for controlling a terminal apparatus that is used for an appliance control system for executing a remote operation on a plurality of air conditioners from a car. The method includes a first judgment step of causing a computer of the terminal apparatus to judge, based on setting information stored in a memory of the terminal apparatus, whether or not the plurality of air conditioners include a plurality of target appliances to be operated that are subjected to the remote operation; a second judgment step of causing the computer to judge whether or not the car exists in a control region; a first display step of causing a display of the terminal apparatus to display a start instruction image; an output step of causing the computer to output control data for starting the remote operation to the network; and a second display step of causing the display to display a plurality of notification images indicating that the control data has been transmitted to the plurality of target appliances to be operated.