Fiat Ducato 2021 Owner's Handbook Manual page 344

Button
4
BROWSE
ENTER
PHONE
342
Functions
Radio source: Select the radio station stored under "Preset 4"
Media source: On/Off repeat tracks in USB device
Radio source: Store the radio station currently playing under "Preset 4"
Access the settings menu
Confirmation of the option displayed
Open browsing list (Radio or Media mode)
Scrolling the list or tuning to a radio station
Display list of stations (Radio mode)
Scroll contents of sources (Media mode)
Media source track change
Station change (RADIO mode)
Exit the selection/return to previous screen
Phone mode selection and acceptance of incoming phone call
Acceptance of the second incoming call and putting the active call on
hold
Rejection of incoming call
Ending of call in progress
Mode
Brief button press
Long button press
Brief button press
Brief button press
Left/right rotation of knob
Brief button press
Brief button press
Brief button press