2007 Subaru Outback Owner's Manual - Page 200

5-27 audio set, the volume becomes louder. However, when you change the audio to the radio mode or to a CD player, the sound becomes a lot louder. Remember to turn down the volume when you change between them. In some cases, when the sound volume of the portable audio player is low, the sound becomes bad when you turn up the volume of the vehicle audio system. In this case, adjust the sound volume of the portable audio player. In some cases, noise occurs because of a bad connection between the portable player of the vehicle audio system or for the player. Precautions to observe when handling a compact disc Use only compact discs (CDs, CD-Rs and CD-RWs) that have the mark shown in the following illustration. Also, some compact discs cannot be played. 500090 - CONTINUED -