Please go to your "SYSTEM INFO"* on your Navigation System. Depending on your vehicle, you may need to scroll down to find the "MAP VER" info. If you see the following digits "NAM.13.41.42.###.###.#" or "NAM.13.47.44.###.###.#", it means you have version 14.0 or newer. 

 

* How to find the SYSTEM INFO & MAP VER?