Volvo XC90 Owner's Manual page 208

Audio system functions
– Select Equalizer FR and press ENTER.
– Use the menu selection buttons or the
SELECTOR knob to set the level.
– Press ENTER to select the next
frequency. You can select five
frequencies.
– Press ENTER until you come to menu
mode to save any changes.
Equalizer RR (certain models)
This function is used to fine-tune the sound
from the rear speakers.
– Select AUDIO SETTINGS in the menu
and press ENTER.
– Select Equalizer RR and press ENTER.
– Use the menu selection buttons or the
SELECTOR knob to set the level.
– Press ENTER to select the next
frequency. You can select five
frequencies.
– Press ENTER until you come to menu
mode to save any changes.
Infotainment system
207