How to use this navigation feature:

1. Allow location access when prompted by your browser
2. The map will display the shared location with a marker
3. Click "Start Real-time Navigation" to begin navigation
4. Your current location will appear on the map with a blue dot
5. A path will connect your position to the destination
6. The distance to destination will update in real-time as you move
7. Click "Open in Map App" to launch your preferred navigation app

This tool is ideal for navigating to meet someone at their shared location, finding your way to an unfamiliar address, or tracking your progress toward a destination.