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GPS traffic updates pull information from traffic news sources and update your routes with information about wrecks, construction and heavy traffic that can affect your trip.
The GPS unit then calculates the fastest routes based on all the new information.
However, traffic updates can mean the difference between a half hour commute and an hour and a half commute. If you live or work in a major metropolitan area, the answer is probably yes, if only to save you the medical bills associated with high blood pressure.On Your Dashboard There are two basic types of vehicle GPS units: in-dash and portable.An in-dash Navigation GPS unit is installed in your dashboard and is not removable.Fortunately the process is simple and the choices are broad so you are sure to get what you need as long as you the time to assess exactly what that is.
By Car or By Foot There are three types of Navigation GPS units categorized by their portability.
Choose Your Navigation GPS After you have made choices about which type of Navigation GPS suits you better, you can then move on to looking at specific features, such as screen size, battery life and price.