Buick Regal 2011 Owner's Manual page 164

7-6 Infotainment System
Audio Settings
The audio settings can be set for
each radio band and each audio
player source.
To quickly reset an audio setting
value to 0:
1. Press the TONE button.
2. Select the audio setting.
Z
3. Press and hold the
until the value changes to 0.
Press the BACK button to go back
to the Tone Settings menu.
Adjusting the Treble, Midrange,
and Bass
1. Press the TONE button.
knob
2. Select Treble, Midrange,
or Bass.
3. Select the value.
Press the BACK button to go back
to the Tone Settings menu.
Adjusting the Fader and Balance
1. Press the TONE button.
2. Select Fader or Balance.
3. Select the value.
Press the BACK button to go back
to the Tone Settings menu.