Lexus ES 350 Owner's Manual page 248

USB memory functions
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Depending on the USB memory that is connected to the system, certain functions
may not be available. Disconnecting the device and reconnecting it once again may
resolve some malfunctions.
Display
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P. 222
Error messages
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"ERROR": This indicates a problem in the USB memory or its connection.
"NO MUSIC": This indicates that no MP3/WMA files are included in the USB
memory.
3-2. Using the audio system
3
245