To update the navigation system on a 2010 Toyota Prius (Generation 3) , you must replace the physical
For the 2010 model year, the Prius utilized the Generation 6 (Gen 6) navigation platform. Unlike modern cars that update via Wi-Fi or smartphone tethering, the Gen 6 system reads map data directly from a disc housed in a dedicated player. To update the system, you must physically swap the old disc for a new one. This disc contains not only the updated road networks and points of interest but also the software firmware required to process that data. 2010 toyota prius navigation dvd update