LOL, It is not DVD based. The head unit has internal non-volatile memory that stores the map data. Internal maps can be updated through a thumb drive (flash storage) via USB as needed. It is Garmin based and the Garmin website has an OEM web page (hyperlink below).
There is no longer any need to have a rotating mechanical storage device/reader (DVD) to store map data which would be prone to failure.
https://honda.garmin.com/honda/?lang=en_US
There is no longer any need to have a rotating mechanical storage device/reader (DVD) to store map data which would be prone to failure.
https://honda.garmin.com/honda/?lang=en_US