2012 Buick LaCrosse Owner's Manual - Page 209

Infotainment System Empty Directory or Folder If a root directory or folder is empty or contains only folders, the player advances to the next folder in the file structure that contains a compressed audio file. The empty folder(s) are not displayed or numbered. No Folder When the CD only contains compressed audio files without any folders or playlists, all files are located under the root folder. File System and Naming The displayed song title is taken from the file's ID3 tag. If a song title is not present in the ID3 tag, the radio displays the file name as the track name. 7-35 Mass Storage Media (MEM) Infotainment systems with MEM storage are able to record up to 1.1 GB (gigabyte) of music from audio CDs, MP3/WMA/AAC discs, and USB storage devices. The MEM player can also time shift audio from AM, FM, and XM radio. Music or content stored in MEM that you did not create, or have the right to distribute, must be deleted before the sale or end of lease of the vehicle. INFO: Press to display additional information about the MEM track that may be available. TUNE/ k : Press to pause the track currently playing; press again to resume playback. Turn to select tracks. O REC: Press to record music from a CD or USB drive. DEL: Press to delete the current track from MEM. FAV (Favorites): Press to display MEM favorites. 1 to 6: Press to select a track or playlist stored in that numeric position. Control Buttons The buttons used to control the MEM player are: MEM/DVD/AUX: Press to select the MEM player. l/g: Press to select tracks or to fast forward or rewind within a track.