Jeep Liberty: Notes On Playing MP3/WMA Files - Media Center 230 (REQ) — AM/FM Stereo Radio And 6–Disc CD/DVD Changer (MP3/WMA 
AUX Jack) - Understanding Your Instrument Panel - Jeep Liberty Owner's ManualJeep Liberty: Notes On Playing MP3/WMA Files

The radio can play MP3/WMAfiles; however, acceptable MP3/WMAfile recording media and formats are limited.

When writing MP3/WMA files, pay attention to the following restrictions.

Operation Instructions - (Disc Mode For CD And MP3/WMA Audio Play, DVD-Video)
The radio DVD player and many DVD discs are coded by geographic region. These region codes must match in order for the disc to play. If the region code for the DVD disc does not match the region ...

Supported Media (Disc Types)
The MP3/WMA file recording media supported by the radio are CDDA, CD-R, CD-RW, MP3,WMA, DVD Video, DVD-R, DVD-RW, DVD+R, DVD+RW, and CDDA+MP3. ...

See also:

Reporting Safety Defects (U.S. Vehicles)
If you believe that your vehicle has a defect which could cause a crash or could cause injury or death, you should immediately inform the National Highway Traffic Safety Administration (NHTS ...

Text Data Display Function
Each time you press the TITLE button, the display mode shows you in sequence, the folder name, the file name, the artist name, the album name, the song name, or name off (which turns off the ...

Locking with key
Locking with key The power door lock system allows you to lock or unlock all doors simultaneously. - Turning the driver’s door key cylinder to the front of the vehicle 1 will lock all doors ...