If you would like one cheap, it's probably best to find a one on Amazon or eBay. Just remember that when buying off these sites to check out the users rating. You don't want to be ripped off now! Or if you don't like online shopping, just head to a local car dealership or electronics store.
You can read reviews about navteq gps systems on the following site: http://www.navteq.com/. They have great products.
NavTeq is a company that makes maps digitally. These maps are then used in GPS systems that go into vehicles. While it operates independently, NavTeq is a subsidiary company of Nokia.
Tom TOM Gps units use the NAVTEQ GPS maps.
YF International (China) GPS systems contain NAVTEQ maps. If you go to the NAVTEQ website to buy map updates, strangely YF International is not on the list of brands for which they offer map updates. Your best bet would be to visit NAVTEQ website (http://allthingsnav.navigation.com/) and contact customer support with your query.
GPS systems tell it's customer where to go. Hopefully, this GPS system is reliable in it's ability to know exactly where it's customer is and where exactly it is going.
Navteq was created in 1985.
The population of Navteq is 4,400.
Navteq's population is 2,009.
Navteq's motto is 'The map the world turns to for direction'.
A digital map company
GPS satellites do not 'find' anything, that is not their purpose.
Contact the company that your GPS comes from. You can find their number listed on their website. They will be able to to tell you where to find the necessary items to update your GPS.