Why there is need for you to have dodge navigation system updated. The principle of operation for the dodge dvd player is not so complicated. It functions under the technical combination of the international GPS signals of the car and the information of the regional map, which enables the GPS to locate the coordinates of the vehicle and the region map DVD to show the POI, street name etc and to give you turn-by-turn driving instructions along the road. But what if the road is under construction, renamed or no longer exists due to the dangerous geological problems? If your Dodge GPS Navigation is not updated, you have probability of getting on the wrong way, driving into a dead end, reach the wrong destination. So it is of necessity for you to update the region map information DVD at a certain period of time in order to obtain the high degree of accuracy of the Dodge car DVD GPS Navigation System.
Here are the steps:
1、 Press the "info-phone" button on the right of the navigation screen.
2、 Click the" Map Data" icon on the "information" screen. Locate and note the map version number at the top of the "Map Data" screen which is currently used by the navigation system.
3、 Contact your car dealership to see if there are changes or updates on the map in comparison with the system you have utilized now. It appears that seldom big changes take place in the large cities or metropolis if the yearly update of the system.
4、 Update or not is all up to you and is just only an option. If you are familiar with the cities, you do not really have to update. （But for the others, it is better to have an update of the system in time.）
5、Press the "close" button which locates on the upper left side of the navigation panel.