2010 GMC Acadia Owner's Manual - Page 216

7-28 Infotainment System The CD Player reads both uncompressed audio and MP3/ WMA files on a mixed mode disc. Uncompressd audio is played before MP3/WMA files. Press the CAT (category) button to toggle between uncompressed audio and MP3/WMA files. CD‐R or CD‐RW Supported File and Folder Structure The DVD Player supports: ... MP3 (Radio with CD/DVD) Format The radio can play .mp3 or .wma files that were recorded onto a CD-R or CD-RW disc. The USB port can play .mp3 and .wma files that are stored on a USB storage device as well as AAC files that are stored on an iPod®. Compressed Audio or Mixed Mode Discs The radio plays discs that contain both uncompressed CD audio and MP3/WMA files depending on which slot the disc is loaded into. The DVD Player only reads uncompressed audio and ignores MP3/WMA files on a mixed mode disc. The CD Player supports: ... Up to 512 files and folders. Up to 8 folders in depth. Playlists with an .m3u or .wpl extension. Files with an .mp3, .wma, or .cda file extension. . USB Supported File and Folder Structure The radio supports: ... Up to 255 folders. Up to 8 folders in depth. Up to 15 playlists. Up to 40 sessions. Playlists with an .m3u or .wpl extension. Files with an .mp3, .wma, or .cda file extension. Up to 700 folders. Up to 8 folders in depth. Up to 65,535 files. Folder and file names up to 64 bytes. Files with an .mp3 or .wma file extension. AAC files stored on an iPod. FAT16 FAT32 . . ...