Toyota 2008 Prius Quick Reference Manual page 274

3-3. Using the audio system
NOTICE
n Player precautions
Failure to follow the precautions below may result in damage to the discs or
the player itself.
Do not insert anything other than discs into the disc slot.
l
l Do not apply oil to the player.
Store discs away from direct sunlight.
l
l Never try to disassemble any part of the player.
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PRIUS_U_(L/O_0802)
Do not insert more than one disc at a
l
time.