Reach the start of the chapter The Flooded City through Chapter Select or natural progression.
Enable Traversal Audio Cues, Navigation Assistance, and Enhanced Listen Mode (set to 30m).
After your boat breaks down and you need to restart it:
1. Follow Navigation Assistance until you have to pass over some barbed wire or break through glass.
2. Do not use Navigation Assistance after step 1, instead keep heading straight you will hit an object keep pushing forward and using Enhanced Listen Mode item scanning.
3. Once an item is scanned, use Navigation Assistance while holding listen mode to path to it.