If nothing was unclear or difficult, say so. Skip questions about steps you did not experience; use not applicable where appropriate.

Which destination were you seeking?
Where did the directions become unclear?
What map detail was missing?

Author notes / illustrative keys where applicable:
1. Read for destination intent. Keep the specific explanation in the respondent’s own words rather than converting it into an unexplained overall satisfaction score.
2. Read for navigation gap. Keep the specific explanation in the respondent’s own words rather than converting it into an unexplained overall satisfaction score.
3. Read for map improvement. Keep the specific explanation in the respondent’s own words rather than converting it into an unexplained overall satisfaction score.