I did get a car charger, so that helps.
About looking for a signal, that usually only happens when I go way out. I was driving through cities, and I did have my Nook in airplane mode. I am not sure what happened, but after leaving both devices plugged in all night they both worked fine. I just wonder what it was so it doesn't happen again. I can't sleep at night if I don't read or listen to an audiobook (which I have on my phone). I didn't like not having either with me while I slept. Is that weird? :P
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