Proposal to amend and supersede ECE/TRANS/GRSG/2026/9 to supplement the 01 series of amendments to UN R144. New provisions address vehicles of category X and those equipped with an Automated Driving System. Vehicles of category Y are exempted. Amendments clarify AECS control accessibility for occupants in vehicles with ADS feature of type 2, define ADS feature types, update exclusions, and modify hands-free audio performance requirements for drivers or passengers as applicable.