From your main navigation screen, tap anywhere on the screen to access the menu.
Go to the second page and click "Browse Map"
Move/Zoom to the area you wish to navigate to. The Zoom function is controlled by the slider to the right of the screen. To move, just press anywhere on the screen and drag. Your fingernails work better
Once you've located a point on the map you wish to navigate to (illustrated by the blue cursor), click the "Cursor" symbol at the bottom of the screen (next to option and find and done). Then click "Navigate There"