See also:

How to play back
Press the button and select the “BTA” (type C audio)/“BT Audio” (type D audio) mode. ...

Setting the playing speed (only when the audiobook is playing) (type D audio)
Each time you briefly press (the “RPT” button) while the audiobook is playing, the playing speed changes in the following sequence. ...

Precautions against vehicle modification
Always consult your SUBARU dealer if you want to install any accessory parts to your vehicle. CAUTION Do not perform any of the following modifications. Such modifications can interfere with pro ...