Well, before I even get that far, I need to figure out why GPSapp isn't working in the car at all now.

When I said before that GPSapp seemed to work, it was when I ran it in home mode without a GPS unit actually connected (still haven't done @DC= as I'm testing it). When I put the player in the car where there actually was a GPS unit, it doesn't work. First try: Blank screen followed by player reboot, second try: blank screen.

Interestingly, it all works in the house, even when I do "force DC/Car power".

Wonder if it has to do with the serial port?

(PS: And besides, the only reason I would want GPSApp to get restarted is because it sometimes locks up because of bugs. The right way to do it is to just fix the bugs. )