Check out this problem with the Neo 35 in-car MP3 player, from Funmp3players.com forum list: It looks as if there is a problem with digital cell phone signals and this player.

http://www.funmp3players.com/forum/topic.asp?topic_id=5724&forum_id=4&Topic_Title=pssffft+noise&forum_title=General+%2D+Neo+Car+Jukebox&M=False&S=True

Then on this thread this guy is having the same problem and has OnStar in his 2002 Chevy Avalanche:

http://www2.funmp3players.com/forum/topic.asp?topic_id=5741&forum_id=4&Topic_Title=Does+Yours+Skip+Like+Crazy%3F&forum_title=General+%2D+Neo+Car+Jukebox&M=True&S=True



Enjoy the Ride...