Ford 2005 Navigator Owner's Manual page 84

Entertainment Systems
Voice guidance/volume
Allows you to turn the voice guidance option on/off and to determine the
volume level of the guidance voice prompts. To adjust:
1. Press the MAP hard key.
2. Press "Nav Menu" at the bottom left hand corner of the screen.
3. Press the speaker icon to turn the
voice guidance option on/off. Press
the desired number to select the
volume level for the voice prompts.
84
2005 Navigator (nav)
Owners Guide (post-2002-fmt)
USA_English (fus)