headlamp GMC YUKON DENALI 2009 Owners Manual

_(Contrast):Touch the + (plus) or−(minus) screen
buttons to increase or decrease the contrast of the
screen.
Auto (Automatic):Touch this screen button for the
system to automatically adjust the screen background
depending on exterior lighting conditions.
At night, the brightness can be adjusted with the vehicle
dimming knob near the headlamp switch.
Night:Touch this screen button and the system will
make the map background darker.
Day:Touch this screen button and the system will
make the map background brighter.Setting the Clock
Press the MENU key to enter the menu options,
then press the MENU key repeatedly until the time is
selected or touch the time screen button, then press
the Set screen button.
Hours:Press the−(minus) or + (plus) signs to
decrease or increase the hours.
Minutes:Press the−(minus) or + (plus) signs to
decrease or increase the minutes.
12/24 Format:Select the 12 screen button for standard
time; select the 24 screen button for military time.
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