Tap the Maps button
Select a small scale basemap that shows an overview of the whole area you want to look at, such as the 1:1M scale Route Planner.
Tap the Maps button again.
Tap the Blue button to the right of the map you want to inspect.
Tap "Chunk Status"
The map display now shows colored rectangles to indicate the status of each chunk
Green: Fully downloaded & Activated
Blue: Activated but not fully downloaded (DMS Selections only)
(Use the "Download All" feature to download the chunks that are missing)
Red: Downloaded in full but not Activated (for DMS Selections maps)
Areas not enclosed in a colored box have not been fully downloaded and (for DMS Selections maps) are not activated
Tap the pink Done button to clear the result.
See also: Downloading maps for Offline Use
Next: Finding a Place