Honda 2009 CR-V Owner's Manual page 221

4. Small, irregular shaped discs
3-inch (8-cm) CD Triangle Shape
Can Shape Arrow Shape
5. Discs with scratches, dirty discs
Fingerprints, scratches, etc.
CD-R or CD-RW may not play due
to the recording conditions.
Scratches and fingerprints on the
discs may cause the sound to skip.
Protecting Your Discs
Recommended discs are printed
with the following logo.
Audio unit may not play the
following formats.
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