Lexus 2008 IS250 Owner's Manual page 222

NOTICE
CDs and adapters that cannot be used
n
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 render the CD insert/eject function
unusable.
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
l
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
3
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