The prompt volume affects audible feedback, such as navigation prompts, voice recognition prompts, text-to-speech features and so on. Prompt volume can also be adjusted by the volume hand controls while the prompt is playing.
See
Figure 1 Select
Home >
Setup >
Feedback.
Prompt volume: Adjust prompt volume.
Navigation prompts: Check the Enable
Nav Prompts checkbox to enable audible navigation guidance. Uncheck to turn this feature off.
Beep volume: Adjust beep volume.
Figure 1. Feedback Settings