Paper road maps are quickly being replaced by auto GPS devices as a long distance traveler’s mandatory tool. Since GPS technology has been transformed from a purely military use and been made available to almost everybody, more and more vehicle navigators have been introduced.There are essentially two types of GPS gear for automobiles, the favorite variety being the bigger and usually fixed (not portable) ones. Some tag this particular type of electronic guide as the “true car” navigator as it is more exact and easy to use than its other counterpart. It has an adequately-sized screen that can be easily viewed even at an arms length. It also has a voice guidance feature which prompts the driver where to turn or notifies him if a designated point of interest is already near.The second type of car GPS generally covers the smaller, more portable ones. They also have the same functions and features as their bigger counterparts. However, handheld automobile global positioning system devices are not very easy to use. Its small screen makes it difficult for drivers to immediately consult it without having to stop and look at the details displayed on LCD. While some can manage to drive and look at it at the same time, studies have shown that this could be perilous.Vehicle GPS devices can be an indispensable tool for those who frequently travel by land to new towns or cities. It could spare them from taking occasional stops in order to ask for directions. While traditional road map design has certainly improved over the years, it cannot provide real time prompts or updates like their electronic versions.Car GPS units are not just for the topographically illiterate. Knowing the main roads and passageways are usually fairly easy to memorize, however traffic and road closures are impossible to predict. Since GPS devices are regularly being updated by the satellites on weather and road conditions, drivers will be efficiently advised as to what roads to take in order to pass up heavy traffic.

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