See Controls and Components → Boom! Box Hand Controls → Left Hand Control Audio Functions (typical). This switch activates the voice recognition features on equipped vehicles. With a headset connected, press the VOICE RECOGNITION switch. The radio beeps and shows a list of available commands. Speak the desired command into the headset microphone. See Voice Recognition.

To cancel voice recognition, press and hold the VOICE RECOGNITION switch for three seconds, or press the HOME hand control switch.