Proposal to amend UN R174 supplement 1 to the 01 series of amendments. Modifications include clarifying folding seat exemptions from safety-belt reminder requirements, deleting requirement that first level warning activation depend on transmission neutral position, harmonizing “vehicle master control switch” definition with UN R159, ensuring drivers receive initial warnings when entering vehicles with remotely activated switches, enabling clear voice communication during emergency calls, extending application to vehicles of category X, and accommodating vehicles without driver and manual driving controls and those equipped with Automated Driving Systems. Amendments specify safety-belt reminder requirements for affected seating positions and modify testing procedures accordingly.

Proposal to amend UN R174 to apply the Regulation to vehicles equipped with an Automated Driving System. The amendments modify provisions for vehicles of category X and vehicles without driver and manual driving controls. Changes include clarifying folding seat exemptions, removing the neutral transmission requirement for first-level warnings, harmonizing “vehicle master control switch” terminology, ensuring drivers receive initial warnings when entering vehicles with remotely activated switches, clarifying voice communication during emergency calls, defining ADS feature types, and modifying testing procedures and requirements for safety-belt reminders in vehicles with ADS.

Proposal (assuming the approval of the proposal in document GRSP/2025/26) to add “other audible audible safety warnings” as a criteria for discontinuing a second-level SBR warning signal.