Acura 2011 TL Owner's Manual page 360

Disconnecting a
USB Flash Memory Device
You can disconnect the USB flash
memory device at any time even if
the USB mode is selected on the
audio system. Always follow the USB
flash memory device's instructions
when you remove it.
When you disconnect the USB flash
memory device while it is playing,
the center display and the audio
screen (if selected) show NO DATA.
Playing a USB Flash Memory Device (Models with navigation system)
USB Flash Memory
Device Error Messages
If you see an error message in the
center display, see page 358 .
2011 TL
357