UN R121: Proposal for Supplement 11 to the original series and Supplement 4 to the 01 series of amendments
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Proposal in line with ISO 2575 to allow for the use of different colors (e.g., red, yellow, green) to convey the status modes (e.g., failure, active) of seven functions via modification of footnote 18 under Table 1.

Reference Number: GRSG/2019/17
Origin: OICA
Date: 18 July 2019
Meeting(s):
GRSG-117
Proposal Status: Approved by GR
Related Documents:
GRSG-110-06 | Draft proposal for Supplement 1 to the 01 series of amendments to UN Regulation No. 121
GRSG/2018/6 | UN R121: Proposal for Supplement 10 to the original series of amendments and Supplement 2 to the 01 series of amendments
WP.29/2020/22 | UN R121: Proposal for Supplement 4 to the 01 series of amendments
Discussion(s):
Working Party on General Safety | Session 117 | 8-11 Oct 2019

55. The expert from OICA introduced ECE/TRANS/WP.29/GRSG/2019/17 to use more colours to convey information via existing tell-tales. Upon request by experts from different contracting parties, she explained the principle colour coding, namely “green” for function running, “yellow” for information warning, “red” for danger warning, “white” for information and “blue” for information of high beam.

56. GRSG adopted ECE/TRANS/WP.29/GRSG/2019/17 and requested the secretariat to submit it to WP.29 and AC.1 as draft supplement 04 to the 01 series of amendments to UN Regulation No. 121 for consideration at their March 2020 sessions.