Follow these steps to enable Audible Navigation:

1. Select Menu button
2. Press arrow down four times to select Options
3. Press Ok button
4. Press down arrow twice to select Audio/language
5. Press right arrow six times to select Audio Navigation
6. Press Ok button
7. Press right arrow to select Enabled
8. Press Ok button
9. Press left arrow to select Done
10. Press Ok button to save
11. To turn audible navigation off follow same steps above, selecting the bottom option Disabled