Nissan ARIYA 2023 Owners Manual
6.6.1.1. Display brightness
The brightness of the display may be controlled in the vehicle information display. The brightness will also be adjusted automatically according to the exterior ambient lighting brightness.
Do not apply strong light to the sensor of Head Up Display. Doing so may cause a malfunction.
The HUD has a built-in sensor (1) that controls the brightness of the displayed image. If you block the sensor with an object, the display will darken, making it difficult to see.
Owners Manual