Lexus 2008 IS250 Owner's Manual page 214

NOTICE
CDs and adapters that cannot be used
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Do not use the following types of CDs, 3 in. (8 cm) CD adapters or Dual Discs.
Doing so may damage the CD player and/or the CD insert/eject function.
CDs that have a diameter that is not 4.7 in.
l
(12 cm).
Low-quality and deformed CDs.
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CDs with a transparent or translucent
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recording area.
CDs that have had tape, stickers or CD-R
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labels attached to them, or that have had
the label peeled off.
3-2. Using the audio system
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