2013 Buick Regal Owner Manual - Page 171

Infotainment System USB Port For vehicles with a USB port, the following devices may be connected and controlled by the infotainment system: ... 7-19 USB MP3 Player and USB Drives . The USB MP3 players and USB drives connected must comply with the USB Mass Storage Class specification (USB MSC). Only USB MP3 players and USB drives with a sector size or 512 bytes and a cluster size smaller or equal to 32 kbytes in the FAT32 file system are supported. Hard disk drives are not supported. The following restrictions apply for the data stored on a USB MP3 player or USB device: ‐ Maximum folder structure depth: 11 levels. ‐ Maximum number of MP3/ WMA files that can be displayed: 1,000 back safely if they were created with Windows Media Player version 8 or later. ‐ Applicable playlist extensions are: .m3u, .pls. ‐ Playlist entries must be in the form of relative paths. ‐ The system attribute for folders/files that contain audio data must not be set. To play a USB device, do one of the following: . iPods PlaysForSure Devices (PFDs) USB Drives Zunes® . Not all iPods, PFDs, USB Drives, and Zunes are compatible with the infotainment system. . Playing from a USB A USB mass storage device or Microsoft Transfer Protocol (MTP) device can be connected to the USB port. The USB port is in the center console. The USB icon displays when the USB device is connected. . Connect the USB and it begins to play. Press the Now Playing screen button on the Home Page, then press the SRCE button on the faceplate repeatedly to cycle through all of the available audio source screens, until the USB source screen is selected. . . WMA with Digital Rights Management (DRM) from online music shops cannot be played. WMA files can only be played