2012 Buick LaCrosse Owner Manual - Page 224

7-44 . Infotainment System To play a USB device, do one of the following: . 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 g (Seek Down): 1. Press to seek to the beginning of the current or previous track. If the track has been playing for less than five seconds, the previous track plays. If playing longer than five seconds, the current track restarts. 2. Press and hold to reverse quickly through playback. 3. Release to return to playing speed. Elapsed time displays. Connect the USB and it begins to play. Press the Now Playing screen button on the Home Page, then press the SOURCE 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 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. While the USB source is active, use the following to operate USB function: TUNE/ k (Play/Pause): Press to start, pause, or resume play of the current media source. l (Seek Up): 1. Press to seek to the next track. 2. Press and hold to advance quickly through playback. Release to return to playing speed. Elapsed time displays.