See also:

Controlling The iPod Or External USB Device Using Radio Buttons
To get into the iPod /USB/MP3 control mode and access a connected audio device, either press the “AUX” button on the radio faceplate or press the VR button and say USB or Switch to USB . Onc ...

CD Player
Pressing the top of the switch once will go to the next track on the CD. Pressing the bottom of the switch once will go to the beginning of the current track, or to the beginning of the previous ...

Commands
The Voice Command system understands two types of commands. Universal commands are available at all times. Local commands are available if the supported radio mode is active. ...