New user and first trip nuvi 660

Well, after extensive research and shopping I recently purchased the nuvi 660 for a trip from Naples, Fl to Lancaster, Pa (driving Mother-in-Law's car back home). 1200 miles and 19 hours drive time. Since I got it only shortly before the trip, I had to learn it on the fly. Fairly easy to figure out though some functions and features required going back to the manual. Boy was I impressed for first use of a GPS system for trip planning. It saved me twice during the trip.

I started out with an audio book playing on my computer, radar detector set, cell phone and Garmin all hooked up and running. Well into the trip there was doorbell sound I was unfamiliar with and figured it was battery warning on one of the devices. Wrong. I was deep into the audio book when I finally realized I had not checked the gas in quite some time and looked down to see the gas light light was on. This was the doorbel sound and I was a good 15 minutes later realizing this was the warning. Frantically I did a quick search on the unit (I was in no man's land just north of Savannah) for a gas station. Found one three miles off the interstate on an exit that showed no hope of civilization anywhere nearby. Whew.

Second time was when I got to DC. I got boxed out by traffic and was heading the wrong way around DC. I made the mistake of getting off an exit that had no return to the loop and put me on the back streets of a neighborhood. "Emily" confidently redirected me back on my way with only a 20 minute time loss in getting around DC.

Great unit. Recommend the external mic for bluetooth use though. It really improves the sound.