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The addition of portable GPS navigation in your vehicle is relatively inexpensive especially when compared to the overpriced dealership charge that comes when you order a factory navigation system. After market units use the most current technology and maps to help you get where you want to go with the greatest accuracy.

Many are not aware that portable GPS navigations can be used for a number of different purposes, and getting directions is just one. Most are upgradable to be used in conjunction with DVD and MP3 players as well as with Bluetooth capability. Even the after market units can be a great investment. These portable navigation systems that are available are easily installed with a suction cup attached to the windshield. They also use the battery of the car through the DC outlet. These devices are very versatile and can be easily transferred from one vehicle to another.

There are Garmin portable GPS systems available with built-in batteries to eliminate the need for an external power source. The popular and versatile Garmin Nuvi 350 GPS Navigator's rechargeable lithium-ion battery can last up to 8 hours. It is compact without sacrificing screen size unlike some of the other navigation systems that are available. Moreover, it is not just a navigation system. In addition to providing directions, it also serves as an Mp3 player and audio book player.

Also, you can use a GPS system called the in-dash. This system has an interactive monitor, where you can type in the address to get directions. This unit fits where your car radio goes and replaces it.

Now that these devices are made to replace both regular and large radios, you can locate a GPS for any car. Even adding such extras as Bluetooth, iPod hookup, satellite radio and television tuners still allows you to upgrade your automobile at much less than what a dealer's bill would come to.

If you put as much information into the GPS system as possible, it will be easier to find your location. Some maps are on the hard drive of the system, and you can just download the updated ones and put them onto the hard drive as updates. There are also actual maps, which are on a DVD the system can read. So you will have to purchase the new DVD maps so that you can stay up-to-date on new roads.

While they were once expensive, portable navigation systems have become affordable for everyone. Money spent on these systems is more than worth it when you consider all of the utility and fun that you get for the price. Most importantly, however, you will never have to stop for directions again with one of these systems.