Dropped off the Model S for what I though was a issue with the on board Cellular connection. Daily Dropping 3g and going to E. necessitating a reboot of the MCU to reconnect. What I though was a simple replace the onboard cellular modem has turned into a 3 day so far car in the SC. Diagnostic issue being dealt with by Tesla engineering. According to the SC this is 1 of half a dozen cars in with this issue so far. Place whatever faith you have in the info being given. with no end result in sight. Anyone else noticed similar issues?