GMC 2011 Sierra Denali Owner's Manual page 193

Using the Radio
O
(Power/Volume): Press to turn
the system on and off.
Turn clockwise or counterclockwise
to increase or decrease the volume.
4
(Information) (AM-FM Radio and
AM-FM Radio with CD): Press to
switch the display between the radio
station frequency and the time.
While the ignition is off, press this
button to display the time.
Speed Compensated Volume
(SCV): Radios with Speed
Compensated Volume (SCV)
automatically adjust the radio
volume to compensate for road and
wind noise as the vehicle's speed
changes while driving, so that the
volume level stays consistent.
To activate SCV:
1. Set the radio volume to the
desired level.
2. Press the MENU button to
display the radio setup menu.
3. Press the softkey under the
AUTO VOLUM (automatic
volume) tab on the radio display.
4. Press the softkey under the
desired Speed Compensated
Volume setting (OFF, Low, Med,
or High) to select the level of
radio volume compensation.
The display times out after
approximately 10 seconds.
Each higher setting allows
for more radio volume
compensation at faster vehicle
speeds.
Infotainment System
Setting the Tone (Bass/Treble)
(AM-FM Radio and AM-FM
Radio with CD)
To adjust the bass or treble:
1. Press the knob until Bass or
Treble displays.
2. To adjust the setting, do one of
the following:
Turn the knob.
Press either
or SEEK.
\
Press either
s
or REV.
EQ (Equalization): Press this
button to choose bass and treble
equalization settings designed for
different types of music. Selecting
MANUAL, or changing bass or
treble, returns the EQ to the manual
bass and treble settings.
Unique EQ settings can be saved
for each source.
7-5
SEEK,
FWD,