The map lights can be turned on and off by pressing the lenses.
When the front interior light switch is in the door activated position and any door is open, the map light will not go off when you press the lens.
Honda Civic Owners Manual. Brightness Control
When the parking lights are turned on and the
ignition switch is in ON *1, you can
use the
brightness control knob to adjust instrument
panel brightness.
Brighten: Turn the knob to the right.
Dim: Turn the knob to the left.
You will hear a beep when the brightness
reaches minimum or ...