Honda ACCORD 2023 Owner's Manual page 216

uuAudio System Basic OperationuDisplay Setup
Display Setup
You can set the screen brightness separately for Day and Night modes.
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Changing the Screen Brightness
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1. Press the MENU button.
2. Select Display Adjustment.
3. Select Day or Night.
4. Select the setting you want.
1Changing the Screen Brightness
You can change the Contrast and Black Level
settings in the same manner.
You can adjust the settings by sliding or tapping on
the bar.