Honda 2012 Pilot Owner's Manual page 139

On Touring models
The level of brightness is shown on
the multi-information display while
you adjust it. It goes out 5 seconds
after you finish adjusting.
When the brightness reaches the
maximum level, ''BRIGHTNESS
MAXIMUM LEVEL'' appears on the
display.
Brightness can only be adjusted
when ambient light is low.
Instrument Panel Brightness
131