Lexus RX 450h 2014 Owner's Manual page 334

Adjusting the screen contrast/brightness
Select "General" or "Camera" on the "Display Settings" screen.
STEP 1
STEP 2
"Contrast"
"Brightness"
Select "OK".
STEP 3
3-1. Lexus Display Audio system
Adjust the display as desired using
"+" or "-".
Select "Contrast" or "Brightness"
using the "<<" or ">>".
"-"
Weaker
Darker
"+"
Stronger
Brighter
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