An information display device for a vehicle, characterized in comprising: an audio unit installed in a vehicle; a switch for operating the audio unit, the switch being provided to the vehicle, and a meter unit having a meter display disposed in front of a driver seat; the audio unit having: an operation input unit; a display screen disposed between the driver seat and a front passenger seat; storing means for storing music files; and playback means for playing the music files; the meter display and the display screen being provided so as to be visible to a driver of the vehicle; the meter display displaying operation specifics information representing operation specifics conveyed as an instruction to the audio unit by operation of the operation input unit or the switch; the operation specifics information including genre information, artist information, album informations, or folder information; the playback means being capable of playing a music file corresponding to the operation specifics information; it being possible to operate the operation input unit or the switch to select the music file after the meter display displays the operation specifics information; the display screen displaying song title information, filename information, or track information regarding the music file selected by operation of the operation input unit or the switch; and the meter display continuing to display the operation specifics information corresponding to the time prior to the music file being selected, even after the music file is selected by operation of the operation input unit or the switch. an audio unit installed in a vehicle; a switch for operating the audio unit, the switch being provided to the vehicle, and a meter unit having a meter display disposed in front of a driver seat; the audio unit having: an operation input unit; a display screen disposed between the driver seat and a front passenger seat; storing means for storing music files; and playback means for playing the music files; the meter display and the display screen being provided so as to be visible to a driver of the vehicle; the meter display displaying operation specifics information representing operation specifics conveyed as an instruction to the audio unit by operation of the operation input unit or the switch; the operation specifics information including genre information, artist information, album informations, or folder information; the playback means being capable of playing a music file corresponding to the operation specifics information; it being possible to operate the operation input unit or the switch to select the music file after the meter display displays the operation specifics information; the display screen displaying song title information, filename information, or track information regarding the music file selected by operation of the operation input unit or the switch; and the meter display continuing to display the operation specifics information corresponding to the time prior to the music file being selected, even after the music file is selected by operation of the operation input unit or the switch. an operation input unit; a display screen disposed between the driver seat and a front passenger seat; storing means for storing music files; and playback means for playing the music files; the meter display and the display screen being provided so as to be visible to a driver of the vehicle; the meter display displaying operation specifics information representing operation specifics conveyed as an instruction to the audio unit by operation of the operation input unit or the switch; the operation specifics information including genre information, artist information, album informations, or folder information; the playback means being capable of playing a music file corresponding to the operation specifics information; it being possible to operate the operation input unit or the switch to select the music file after the meter display displays the operation specifics information; the display screen displaying song title information, filename information, or track information regarding the music file selected by operation of the operation input unit or the switch; and the meter display continuing to display the operation specifics information corresponding to the time prior to the music file being selected, even after the music file is selected by operation of the operation input unit or the switch.