An automotive display having a plurality of available functions and being able to perform switching between a home screen (HS1 - HS3) and an individual screen (KS1- KS5), wherein the plurality of functions includes a first function group and a second function group, a first button group including a plurality of buttons (B11 - B13) respectively corresponding to a plurality of functions included in the first function group is displayed on the home screen, and if any of the plurality of buttons included in the first button group is operated, switching to the individual screen including a detailed display region (D14, D23) of a function corresponding to the button is performed, a plurality of simple display regions (S11 - S13) respectively corresponding to a plurality of functions included in the second function group are further displayed on the home screen, characterized by a switching button for performing switching to the individual screen including a detailed display region of the function is displayed in each of the plurality of simple display regions, the detailed display region, a home button for performing switching to the home screen, the first button group, and a second button group including a plurality of buttons (B14 - B18) respectively corresponding to a plurality of functions included in the second function group are displayed on the individual screen, and if any of the plurality of buttons included in the second button group is operated, switching to the individual screen including a detailed display region of a function corresponding to the button is performed, the number and sizes of the plurality of simple display regions displayed on the home screen and a function corresponding to each simple display region are able to be selectively designated, and a ratio of sizes of the plurality of buttons included in the second button group displayed on the individual screen is the same as a ratio of sizes of the plurality of simple display regions displayed on the home screen. the plurality of functions includes a first function group and a second function group, a first button group including a plurality of buttons (B11 - B13) respectively corresponding to a plurality of functions included in the first function group is displayed on the home screen, and if any of the plurality of buttons included in the first button group is operated, switching to the individual screen including a detailed display region (D14, D23) of a function corresponding to the button is performed, a plurality of simple display regions (S11 - S13) respectively corresponding to a plurality of functions included in the second function group are further displayed on the home screen, characterized by a switching button for performing switching to the individual screen including a detailed display region of the function is displayed in each of the plurality of simple display regions, the detailed display region, a home button for performing switching to the home screen, the first button group, and a second button group including a plurality of buttons (B14 - B18) respectively corresponding to a plurality of functions included in the second function group are displayed on the individual screen, and if any of the plurality of buttons included in the second button group is operated, switching to the individual screen including a detailed display region of a function corresponding to the button is performed, the number and sizes of the plurality of simple display regions displayed on the home screen and a function corresponding to each simple display region are able to be selectively designated, and a ratio of sizes of the plurality of buttons included in the second button group displayed on the individual screen is the same as a ratio of sizes of the plurality of simple display regions displayed on the home screen. <EOS>