1. A method of controlling a vehicle, comprising: recognizing, by a controller, a user speech to acquire a voice command; searching, by the controller, for a shortcut instruction that corresponds to at least a part of the voice command; executing, by the controller, a plurality of control instructions based on a control process of the shortcut instruction; and determining, by the controller, an execution order of control processes of detected shortcut instructions when a plurality of the shortcut instructions are detected.