Has anyone had issues with Slacker from the past 6.1/6.2 firmware version? When playing songs for 5 minutes to 30 minutes, it would always stop playing and complain about "Unable to play next track." My 3G connection is strong between 2 - 5 bars. I try pushing the forward arrow, pause, and it never recovers. I even reboot. Then it would start playing whenever it feels like playing. Has anyone had a failing 3G modem that was replaced under warranty? I only have 5k miles left before my warranty runs out!! I even tried Tune-In listening to 740 KCBS news. It would play for awhile and then it would stop. I know if I brought in the vehicle, they will state, unreproducible and waste my time. Thanks!