Quickly becoming a standard automobile feature alongside radios and air conditioning are car GPS systems. These systems can tell you exactly where you are and where you're going. You don't have to buy a new car to take part in the GPS revolution--many car GPS systems are available that you can easily install in your current vehicle. Car GPS systems use satellite technology to track your position and match it a point on a map. While some systems require you to purchase mapping software, others come with maps pre-installed. Many of the best systems come with maps of the United States and Canada programmed in already. Whether you're looking for a local supermarket or headed across the country, your car GPS system helps you map out the best route. Most car GPS systems do not need to be hard wired into your car; they can run off your cigarette lighter or power port. Others, which need to be professionally installed, connect to your car's electrical system. In either case, upon starting the car, the GPS system pinpoints your location in a matter of seconds. You simply tell it where you need to go, and it provides the directions. Top-of-the-line car GPS systems come with everything you need--software, a hard drive, and a monitor. Other systems require you to purchase a monitor separately. Oftentimes, you can purchase a touch screen monitor that works in conjunction with your GPS software. Mapping a route then becomes as simple as connecting two dots with your fingers.
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