UN R176 Supplement 3 (00 series) · UNECE Regulation No. 176 (ECE R176) — Uniform Prescriptions Concerning Approval of a Vehicle Type with regard to its Field of Vision Assistant Systems.
UN R176 — Supplement 3 to the 00 series of amendments
Supplement 2 → 3
- What changed
- For M1 and N1 vehicles, the adjusted ocular reference point now includes the back angle adjustment of UN Regulation No. 166 (para. 2.9.1.).
- Why
- The adjustment of the ocular reference point consists only of the adjustment for back angle.
- The reference to the original version of UN Regulation No. 166 stays clear if its numbering changes later.
Q1What changed1 change
Adjusted ocular reference point (para. 2.9.1.)
For vehicles of categories M1 and N1, the adjusted ocular reference point is still the one defined in UN Regulation No. 166. The definition now adds that it is adjusted for back angle according to UN Regulation No. 166 in its original version, Annex 10 – paragraph 1. Before this supplement, the definition did not name the back angle adjustment.
Q2Why it changed
- Proposed by
- Expert from the Kingdom of the Netherlands
- Working party
- GRSG, 131st session (April 2026)
Reasons
The proposal clarifies that the adjustment of the ocular reference point consists only of the adjustment for back angle.
Source
“The proposal seeks to clarify that the adjustment of the ocular reference point only consists of the adjustment for back angle.”
The text refers to the original version of UN Regulation No. 166, so that the reference stays clear if its numbering changes.
Source
“Reference is made to the original version of UN Regulation No. 166, in order to prevent future unclarities in case the numbering of Annexes and paragraphs modifies during further developments of the Regulation.”
Document trail
- 2026-01ProposalECE/TRANS/WP.29/GRSG/2026/19Proposal from the Kingdom of the Netherlands
- 2026-08Sent to WP.29ECE/TRANS/WP.29/2026/183Text that GRSG sent to WP.29 and AC.1
- PendingWP.29 voteScheduled for the 200th session (17–20 November 2026)
- PendingIn forceDate not yet known
Q3Who is affected
Vehicle manufacturer
- For M1 and N1 vehicles, make sure the adjusted ocular reference point of paragraph 2.9.1. includes the back angle adjustment.
Component supplier
- No direct action for this role.
Technical service / Approval authority
- For M1 and N1 vehicles, check the back angle adjustment of the ocular reference point against paragraph 2.9.1.
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ⓘ This report gives advice only. It is not legal or type-approval advice.