Acura 2014 TL Owner's Manual page 394

Remote Audio Controls
If you are playing a USB flash
memory device or iPod with the USB
adapter cable, press and release the
top ( ) of the CH button to skip
forward to the beginning of the next
file. Press the bottom ( ) to skip
backward to the beginning of the
current file. Press it twice to return
to the previous file.
When playing a USB flash memory
device, you can also use the seek
function to skip the folder. To
activate this, press and hold either
side of the CH button until you hear
a beep.
388
On models without navigation system
If you are playing a conventional CD
(without the text data and not
compressed in MP3 or WMA), you
can use the skip function to select
discs. Press and hold the top ( ) of
the CH button until you hear a beep,
to skip forward to the next disc.
Press and hold the bottom ( ) to
skip backward to the previous disc.