Lexus 2007 GS430 Quick Manual page 261

3-1. Using the touch screen
"Day Mode"
n
To turn off the picture display
n
If is touched, the screen display is turned off, and guidance is by voice only.
186
When the headlights are turned on, the
screen dims. However the screen can be
switched to "Day Mode".
The screen will stay in "Day Mode" when
the headlights are turned on until
touched again.
If the instrument panel light control is set to
"MAX", "Day Mode" is not displayed.
I n f o r ma t i o n P r o v i d e d b y :
is