UN R174 — Supplement 1 to the 01 series of amendments

Section 0. now has parts for the original version, for the 01 series of amendments and for supplement 1 to the 01 series. The part for supplement 1 says that the Regulation is amended to account for vehicles of category X. Without a driver or manual driving controls, related provisions must not be taken into account unless this amendment already covers them. For vehicles with an ADS other than category X, no special provisions or exemptions apply in the manual driving mode. In a mode where an ADS feature is active, the relevant ADS requirements apply. Section 1. now numbers its first paragraph 1.1. and adds paragraph 1.2.: the Regulation does not apply to vehicles of category Y.

New paragraph 2.19. defines “ADS feature of type 1 (ADSF-1)” as an ADS feature which includes an ADS fallback response requiring a fallback user. New paragraph 2.20. defines “ADS feature of type 2 (ADSF-2)” as an ADS feature which does not include an ADS fallback response requiring a fallback user. Paragraph 2.1. has a new paragraph at the end: "Whilst an ADSF-2 is active, the “Safety-belt reminder” means a system dedicated to alert the unbuckled occupant and send a logic signal to the ADS when any of the occupants do not use the safety-belt."

A new paragraph at the end of paragraph 5.1.1. reads: “For vehicles of category X, the seating positions in the first row of vehicles of categories M and N shall be equipped with a safety-belt reminder satisfying the requirements of paragraph 5.3”. Paragraph 5.3. now reads “Safety-belt reminder for occupants of seats in the same row as the driver and, for vehicles of category X, safety-belt reminder for occupants of seat(s) of the first row”. Before, it read “Safety-belt reminder for driver and occupants of seats in the same row as the driver”. Paragraph 5.3.1. now adds “and, for vehicles of category X, safety-belt reminder for occupants of seat(s) of the first row” to the reminders that must fulfil the requirements set out in paragraph 5.2. The definition of “A front passenger seat” in paragraph 2.14.1. has a new last sentence: “For vehicles of category X, the "R" point of the most forward passenger seat shall be taken instead of the R-point of the driver's seat.”

New paragraph 5.1.4. says: “An ADS may manage the safety belt reminder provided that the ADS provides at least an equivalent level of safety”. Paragraph 5.2.3.1. on the first level warning has a new paragraph after its first paragraph: “Whilst an ADSF-2 is active, paragraph 5.1.4. shall apply”. Paragraph 5.2.4.1. on the second level warning has the same new paragraph at its end. Paragraph 5.4.2. on the visual warning that indicates the rear seating positions has the same new sentence after its first sentence.

New paragraph 0. of Annex 3 says: “In case of a vehicle equipped with an ADSF-2, the manufacturer shall demonstrate, to the satisfaction of the Type Approval Authority, a suitable test plan for the safety-belt reminder.”

In its first sentence, paragraph 5.2.4.1. now refers to the conditions in paragraphs 5.2.4.1.1. to 5.2.4.1.3. instead of paragraphs 6.2.4.1.1. to 6.2.4.1.3.

Footnote 1 of sections 0. and 1. now refers to R.E.3, document ECE/TRANS/WP.29/78/Rev.8, instead of Rev.7. The footnote on the distinguishing numbers of the Contracting Parties now refers to Rev.8 instead of Rev.7. Paragraphs 5.1.1. and 5.1.2. no longer call footnote 3, and this footnote is deleted. Before, that footnote referred to R.E.3, document ECE/TRANS/WP.29/78/Rev.7.