I have had them in Hertz rental cars, and they were GREAT!! I would still be trying to find my way around in Florida without it. I wish I could afford one for my own car. If you miss your turn or whatever, they immediately redirect your route. I didn't trust it for awhile, but kept getting my butt in deeper. I finally learned that the thing knew more than I did!! Especially when I about got arrested in Disney World for being in the "off limits" part!!
