A user interface apparatus for a vehicle, comprising: a first display; a second display spaced apart from the first display; an input unit configured to receive user input through at least one of the first display or the second display; and one or more processors configured to: determine a control mode of the first display and the second display, and according to the determined control mode, control the second display based on user input received from the input unit through the first display, wherein the control mode comprises: a first mode for controlling the first display based on the user input received through the first display; and a second mode for controlling the second display based on the user input received through the first display, characterized in that the one or more processors are further configured to: sense a region of the first display corresponding to the user input; based on sensing the user input at a first region of the first display, perform a control action in the second mode; and based on sensing the user input at a second region of the first display outside of the first region, perform a control action in the first mode. a first display; a second display spaced apart from the first display; an input unit configured to receive user input through at least one of the first display or the second display; and one or more processors configured to: determine a control mode of the first display and the second display, and according to the determined control mode, control the second display based on user input received from the input unit through the first display, wherein the control mode comprises: a first mode for controlling the first display based on the user input received through the first display; and a second mode for controlling the second display based on the user input received through the first display, determine a control mode of the first display and the second display, and according to the determined control mode, control the second display based on user input received from the input unit through the first display, wherein the control mode comprises: a first mode for controlling the first display based on the user input received through the first display; and a second mode for controlling the second display based on the user input received through the first display, a first mode for controlling the first display based on the user input received through the first display; and a second mode for controlling the second display based on the user input received through the first display, characterized in that the one or more processors are further configured to: sense a region of the first display corresponding to the user input; based on sensing the user input at a first region of the first display, perform a control action in the second mode; and based on sensing the user input at a second region of the first display outside of the first region, perform a control action in the first mode. sense a region of the first display corresponding to the user input; based on sensing the user input at a first region of the first display, perform a control action in the second mode; and based on sensing the user input at a second region of the first display outside of the first region, perform a control action in the first mode.