Buick Regal Navigation Manual page 16

Press the audio source icon located
at the top left side of the screen to
display a pop-up menu of available
audio source icons. Press one of
the icons to change the source.
To access the tone settings, press
the Home Page Tone button or the
TONE button on the faceplate.
Use the tone settings to adjust the
following features:
Setting the tone
Adjusting the speakers
To adjust the tone:
Treble: Press + or
the level.
Middle (Midrange): Press + or
to change the level.
Bass: Press + or to change
the level.
To adjust the speaker balance:
Press on the bottom for more
sound from the left speakers or
on the bottom for more sound
from the right speakers. The
middle position balances the
sound between the left and right
speakers.
To adjust the speaker fade:
Press for more sound from
the front speakers and
more sound from the rear
speakers. The middle position
balances the sound between the
front and rear speakers.
to change
for