Toyota TUNDRA-2005 Owner's Manual page 629

AUDIO SYSTEM
3. Insert a disc.
When you insert a disc, push it in gently with
the label side up.
If the label faces down, the disc cannot be
played. In this case, "DISC CHECK" appears
on the screen.
If a disc which is not playable is inserted,
"DISC CHECK" will also appear on the
screen. For appropriate discs for this player,
see "Audio system operating hints" on page
140.
An adapter must be used for 8 cm (3 in.) discs
which are loaded in the same manner as for
12 cm (4.7 in.) discs.
124
4. Slide the lid forward to close the DVD
player.
The indicator light turns on while the disc is
loaded.
NOTICE
Never try to disassemble or oil any part
of the DVD player. Do not insert any-
thing other than a disc into the slot.
5. Close the console box.