Will you provide the link to the file you mention?
Getting map updates for the file or for the DVD driven NAV system in the car? If the latter, there is no way short of buying a new DVD for ~$150 -$200 to get an updated map system, and that will also not be the CURRENT information.
If you are referring to Android Auto or Car Play, I believe that the most current information is downloaded whenever the app is used. Someone correct me if I am wrong, please.