Honda 2012 Odyssey Owner's Manual page 257

uuRear Entertainment System
DVD Player Error Messages
Error Message
CHECK DISC
PUSH EJECT
CHECK REGION
UNSUPPORTED FILE
256
* uDVD Player Error Messages
Cause
FOCUS Error
Mechanical Error
Invalid region code
DVD format not supported
Solution
Press the disc eject button, and remove the disc. Check for an error
indication. Insert the disc again. If the code does not disappear or
the disc cannot removed, consult a dealer.
The disc is not playable in this unit. Eject the disc, and insert a disc
compatible with this system.