ADAS-45-04/Rev.1
UN R171: Draft amendments for a Supplement to the original text
Source(s)
Date
24 Mar 2026
Status
Subject
Meeting(s)

Proposal to modify provisions for system boundaries, driver disengagement detection, manoeuvre initiation, and risk mitigation functions. Changes include clarifications on visual engagement assessment, headway configuration warnings, and driver unavailability response procedures. Amendments address system behaviour at boundary conditions, lane change manoeuvre protocols, and documentation requirements. Test procedures are updated regarding bicycle target positioning and terminology. Manufacturing processes for safety management during vehicle operation are added. Documentation definitions and simulation model criticality assessments are clarified.

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