Department for Transport (UK)
7 May Driving mode transition information relative to collision investigation (DfT) EDR-DSSAD-32-04 2026-05-07 Extended recording from NTSB investigation. The collision sequence involved three alert stages: first alert lasting 5 seconds with visual only or bimodal presentation, second alert lasting 8 seconds with bimodal presentation, and third alert with bimodal presentation and instruction to put hands on the wheel. DfT