Toyota Prius c 2014 Owner's Manual page 266

3-2. Using the audio system
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Display
→P. 258
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Error messages
"ERROR":
"CD CHECK":
"NO SUPPORT": This indicates that MP3/WMA files are not included in the
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Discs that can be used
Discs with the marks shown below can be used.
Playback may not be possible depending on recording format or disc fea-
tures, or due to scratches, dirt or deterioration.
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CD player protection feature
To protect the internal components, playback is automatically stopped when
a problem is detected while the CD player is being used.
264
This indicates a problem either in the CD or inside the
player.
The CD may be dirty, damaged or inserted up-side down.
CD.