There are guidelines that must be met, when creating an MP3 disc. If the guidelines are not met when recording a CD-R(W), the CD may not play. The guidelines are:

• Sampling rate: 16 kHz, 22.05 kHz, 24 kHz, 32 kHz, and 44.1 kHz.
• Bit rates supported: 32, 40, 48, 56, 64, 80, 96, 112, 128, 160, 192, 224, 256, and 320 kbps.
• ID3 tag information is displayed by the radio if it is available. The radio supports ID3 tag information v1.0, v1.1, or v2.0. The radio will display a filename, song name, artist name, album name, and directory name.
• Maximum 32 characters, including spaces, in a file or folder name.
• Maximum number of folders is 100 with a maximum hierarchy of eight folders.
• Create a folder structure that makes it easy to find songs while driving. Organize songs by albums using one folder for each album. Each folder or album should contain 18 songs or fewer.
• It is recommended that there is a maximum of 192 files on a disc.
• The files can be recorded on a CD-R or CD-RW with a maximum capacity of 700MB.
• DVD with MP3 are not playable on this system.