Lexus RX400h2006 Owner's Manual page 416

Screen adjustment
You can adjust the color, contrast, tone and brightness of
the screen.
Push the "DISPLAY" button on the remote control
then the "Display" screen 2 will appear.
The screen may turn purple to deflect the sunlight. This is not
a malfunction.
Each time you push the "+" or "−" switch, you can adjust the
color, contrast, tone and brightness of the screen.
1 and
COLOR
CONTRAST
TONE
BRIGHTNESS
After adjusting the screen, push the "OK" switch to return to the
previous screen.
AUDIO
"+" or "RED" "−" or "GREEN"
Strengthens the Strengthens the
red color green color
Strengthens the Weakens the
contrast contrast
Strengthens the
Weakens the tone
tone
Brightens Darkens
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