Subaru 2005 Legacy Owner's Manual page 305

Audio
below.
If you accidentally press the button and cancel the
track/file (track) repeat-play mode, press it again
to reselect the repeat-play mode.
" The repeat-play mode will be cancelled if you
perform any of the following steps:
" Press the "RPT" button
" Press the " " button
" Press the disc select button
" Select the radio mode
" Press the " " or "
SCAN button
" Turn off the power of the audio equipment.
" Turn the ignition switch to the "OFF" position.
5-50
" side of the SEEK/
" To repeat the currently playing disc/folder
To repeat the currently playing disc/folder, press the
"RPT" button twice while a track/file (track) is playing.
The display will show "D-RPT", and the disc/folder will
be played repeatedly.
To cancel the disc/folder repeat play mode, press the
"RPT" button once more. The "D-RPT" indication will
go off, and the normal playback mode will be resumed.
NOTE
" Each time you briefly press the button, the mode
will change to the next one in the sequence shown
below.