To get directions
From the Home screen, tap the Apps Key
> Maps 
.Tap Directions
.Enter a starting point in the first text box and your destination in the second text box. You can also select an address from your Favorites, Contacts list, or Contacts History tab.
NOTEWhen you search for a location in the Maps application, the Directions function automatically enters your location as the starting point and the last red marker you touched as the destination.
Tap the Car icon
for driving directions, the Transit icon 
for transit directions, the Cycling icon 
for cycling directions, or the Walking icon 
for walking directions.Tap GET DIRECTIONS.
Your route is displayed on a map.
Tap a white marker on the map to see direction change indicators.
Tap
to display each direction instruction sequentially in a bubble at each juncture. You can tap 
to step backward through the direction instructions.To view the directions in text format, tap DIRECTIONS LIST.
Tap the Back Key
to return to map view.
To reverse directions, tap the Menu Key 
> Reverse Start & End when entering the start and end points.