Cadillac XLR-V 2006 Owner's Manual page 250

Screen Adjust Menu
The following options are available from this menu:
K
(Contrast): Touch the plus (+) or minus (−) signs to
adjust the contrast of the screen.
You will see the screen change. Touch SET to confirm
the setting.
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(Brightness): Touch the plus (+) or minus (−) signs
to adjust the brightness of the screen.
You will see the screen change. Touch SET to confirm
the setting.
AUTO: This setting automatically adjusts the contrast
and brightness of the screen depending on exterior
lighting conditions.
DAY: This setting leaves the screen in day mode.
Day mode is best suited for daylight conditions.
NIGHT: This setting leaves the screen in night mode.
Night mode is best suited for nighttime conditions.
SCREEN OFF: Touch SCREEN OFF to turn off the
screen. Press any hard key to turn the screen back on.
SET: Touch SET to save your choices and exit the
CLOCK ADJUST menu.