Subaru FORESTER Manual page 208

5-26
Audio
there are deposits, wipe the disc surface
from the center outward with a dry, soft
cloth. Be sure not to use a hard cloth,
thinner, benzine, alcohol, etc.
. Do not use any disc that is scratched,
deformed, or cracked. Also, do not use
any disc that has a non-standard shape
(for example, a heart shape). Malfunctions
or problems might result.
. A disc is vulnerable to heat. Never
keep it in places exposed to direct sunlight
or near heaters. Also, never leave a disc
in a vehicle that is parked in the sun or
outside on hot days.