Navigate the United States and Canada with ease with this GPS that features free lifetime traffic updates, up to 1,000 waypoints and customizable points of interest for easy route planning. The "Where Am I?" emergency locator and travel assistant tools provide additional support.
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I don't know what problems others have but this unit has worked fine for me. It aquires in a few seconds and is loud enough at 80 % volume. The avert delays will give you a route that you should check ito be shure you want to take the recommended route. THAT is to do with the mapping not the function of the unit. It also recalculates fine for my use when i don't follow the recommended route.