300
3-2. Using the audio system
■USB memory player functions
Depending on the USB memory player that is conn
 ected to the system, certain 
functions may not be availabl e. Disconnecting the device and reconnecting it once 
again may resolve some malfunctions. 
■Display
 P.
 2 7 7
■Routing portable audio device cables
P.
 2 9 3
■Error messages
“ERROR”: This indicates a problem in  the USB
  memory player or its connec-
tion.
“NO MUSIC”: This indicates that no MP 3
 /WMA files are included in the USB 
memory player.
■USB memory player
●Compatible devices
USB memory players that can be used for MP3 and WMA playback
●Compatible device formats
The following device formats can be used:
• USB communication formats: USB2.0 FS (12mbps)
• File formats: FAT16/32 (Windows
®)
• Correspondence class: Mass storage class 
MP3 and WMA files written in any format other than those listed above may not 
pl
 ay correctly, and their file names an d folder names may not be displayed cor -
rectly.
Items related to standards and limitations are as follows:
• Maximum directory hierarchy: 8 levels
• Maximum number of folders in a device: 999 (including the root)
• Maximum number of files in a device: 65025
• Maximum number of files per folder: 255 
303
3-2. Using the audio system
3
Interior features
CAUTION
■Caution while driving
Do not connect USB players or operate the controls.
NOTICE
■To prevent damage to USB memory players
●Do not leave USB memory players in the vehicle. The temperature inside the 
vehicle may become high, resulting in damage to the player.
●Do not push down on or apply unnecessary pressure to the USB memory player 
while it is connected as this may damage the USB memory player or its terminal.
●Do not insert foreign objects into the port as this may damage the USB memory 
player or its terminal.