See also:

Cellular and GPS Antennas
Avoid placing items over or near the antenna to prevent blocking cellular and GPS signal reception. Cellular reception is required for OnStar to send remote signals to the vehicle. ...

Care of CDs and DVDs
If playing a CD/DVD, the sound quality can be reduced due to disc quality, the method of recording, the quality of the music that has been recorded, and the way the disc has been handled. Ha ...

Empty Directory or Folder
If a root directory or a folder exists somewhere in the file structure that contains empty folders and no compressed files in them, the player advances to the next folder in the file structu ...