Toyota 2008 Prius Quick Reference Manual page 273

NOTICE
n Discs and adapters that cannot be used
Do not use the following types of discs, 3 in. (8 cm) disc adapters or dual
discs.
Doing so may damage the player and render the disc insert/eject function
unusable.
PRIUS_U_(L/O_0802)
3-3. Using the audio system
Discs that have a diameter that is not
l
4.7 in. (12 cm).
Low-quality and deformed discs.
l
Discs with a transparent or translucent
l
recording area.
Discs that have tape, stickers or CD-R
l
labels attached to them, or that have
the label peeled off.
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