Alfa Romeo Giulia GTA Owner's Handbook Manual page 184

DESCRIPTION OF CONTROLS TABLES
ON/OFF and VOLUME control (3)
Action
LONG PRESS
SHORT PRESS
ROTATION
MOVE TO THE SIDE
182
Switching the Connect system on/off
Radio Mode: Activate/deactivate the Mute function
Media Mode: Activate/deactivate play/pause
Phone Mode: Activate/deactivate the microphone during a phone call
Turn clockwise to increase the volume/turn anticlockwise to decrease the volume
Radio mode: on the right to select next/left radio station/on the left to select previous station
(radio station search can be done by "Frequency"/"Name"/"Favourites")
Media mode: short press on the right: select next track/short press on left select previous track
Long press on right ("Media" mode): go to next track/long press on left, go to previous track
Function