Toyota Yaris Sedan 2008 Quick Reference Manual page 190

3-2. Using the audio system
NOTICE
n CDs and adapters that cannot be used
Do not use the following types of CDs or 3 in. (8 cm) CD adapters or Dual
Disc.
Doing so may damage the CD player and/or the CD insert/eject function.
176
CDs that have a diameter that is not 4.7
l
in. (12 cm)
l Low-quality and deformed CDs