See also:

No Folder
When the CD only contains compressed audio files without any folders or playlists, all files are located under the root folder. ...

Playing from a USB (Radio with CD and Touchscreen)
A USB mass storage device or Microsoft Transfer Protocal (MTP) device can be connected to the USB port. The USB port is in the center console. The USB icon displays when the USB device is ...

Horn
Press near or on the horn symbols on your steering wheel pad to sound the horn. ...