Chevrolet 2011 Impala Owner's Manual page 175

The vehicle has one of these radios
as its infotainment system.
Radio with CD (MP3)
Softkeys
The Radio with CD (MP3) has six
softkeys located below the radio
display. Softkeys are used to control
functions that appear on the radio
display as tabs directly above the
softkeys.
Infotainment System
Using the Radio
O
(Power/Volume): Press to turn
the system on and off. Turn to
increase or decrease the volume.
(Information): 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 the Speed
Compensated Volume (SCV)
feature automatically adjust 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.
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