Toyota prius Owner's Manual page 235

Instrument cluster light control
When the tail light is on, the brightness of the instrument cluster lights
can be adjusted. (For vehicles with the automatic light control sys-
tem, the lights can be adjusted when the tail light is on and the sur-
rounding area is dark.)
Type A
Type B
PRIUS_OM_OM47871E_(EE)
2-2. Instrument cluster
The brightness will change by 3
steps each time the button is
pressed.
The reduced brightness can be
canceled by pressing and holding
the button. To turn on this func-
tion, press the button again.
The brightness will change by 4
steps each time the button is
pressed.
2
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