Google Pixel 6
Android 12.0
1 Find "Brightness level"
Slide two fingers downwards starting from the top of the screen.
Press the settings icon.
Press Display.
Press Brightness level.
2 Adjust screen brightness
Drag the brightness indicator right or left to select the required brightness level.
Press the indicator next to "Adaptive brightness" to turn automatic brightness on or off.
3 Return to the home screen
Slide your finger upwards starting from the bottom of the screen to return to the home screen.