In-vehicle display system and control method for in-vehicle display system

An in-vehicle display system comprising:

• a first display;
• a second display;
• a vehicle information acquirer that acquires vehicle information;
• and
• a controller configured to:
• acquire a display operation inputted by a user thorough the first display, when the display operation for outputting at least a portion of first content displayed on the first display to the second display with the first content currently being output to the first display, is performed;
• determine whether or not the display operation is executable according to at least one signal from among a plurality of signals indicating a type of the first content, an attribute of the first display, an attribute of the second display, the vehicle information, and a detail of the display operation, and
• select either of the first display and the second display with which to associate, according to the determined display operation, a user's authority to operate the first content outputted currently to at least one of the first display and the second display.