Buick Regal Owner's Manual page 177

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.
Adjusting the EQ (Equalizer)
For vehicles that have an equalizer:
1. Press the TONE button.
2. Select EQ.
3. Select the setting.
Press the BACK button to go back
to the Tone Settings menu.
DSP (Digital Signal Processing)
Settings
For vehicles with DSP, it is used to
provide a choice of different
listening experiences.
The DSP settings for the Radio with
CD are:
normal Select this setting to
.
adjust the audio for stereo
mode. This provides the best
sound quality for the driver seat
first, with the front passenger
second.
hk surround Select to enable
.
hk surround. This produces a
true 6.1 matrix surround from
any two channel digital source.
This feature is not available in
AM/FM radio mode.
To adjust the DSP settings:
1. Press the TONE button.
2. Select DSP.
3. Select the setting.
Infotainment System
Press the BACK button to go back
to the Tone Settings menu.
System Settings
Auto Volume
The auto volume feature
automatically adjusts the radio
volume to compensate for road and
wind noise as the vehicle speeds up
or slows down, so that the volume
level is consistent.
The level of volume compensation
can be selected, or the auto volume
feature can be turned off.
1. Press the CONFIG button.
2. Select Radio Settings.
3. Select Auto Volume.
4. Select the setting.
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