Originally Posted by Puzzlme
To update the Magnadyne, I believe you have to pull the card from the back. My dealer tells me this can only be done by removing the Magnadyne from the dash using a specific key. I just drove 9000 miles in my Sunseeker and the GPS unit failed or crashed regularly either by giving an error message and needing a reset or by shutting itself off and back on. This seemed to happen even more so if the radio station lost it's signal and searched for another. After being left in the middle of an unfamiliar city with a GPS that just shut itself off, I ended up using a hand held Garmin model that I could rely on.
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I found that whenever the radio did something like scanning for new stations, or the ipod would come on, the navigation switched to radio or ipod--giving the appearance that it had crashed. Restarting navigation (pushing power button to change to navigation screen) would have navigation pick up where it left off, so it hadn't really crashed. Solution was to turn off auto scan for radio stations, or wake up ipod immediately at radio startup, so it didn't do it a half hour later.
I did initially have a software problem that also caused crashes and it was fixed with a software update from Magnadyne back in 2012. Have not had that issue since.
2012 Forest River Sunseeker 2300 Chevy