GAR | GRVA-11-42

Regulation:	UN Regulation No. 137 \| Restraint System in Frontal Impact
Document:	Revision 2
Corresponds to:	01 series of amendments \| Supplement 1 (Entered into force on 29 Dec 2018)
Corresponds to:	01 series of amendments \| Supplement 2 (Entered into force on 28 May 2019)
Corresponds to:	01 series of amendments \| Supplement 3 (Entered into force on 3 Jan 2021)
Corresponds to:	02 series of amendments (Entered into force on 9 Jun 2021)

Regulation:	UN Regulation No. 161 \| Devices for Protection against Unauthorized Use
Document:	Revision 0 \| Amendment 3
Corresponds to:	00 series of amendments \| Supplement 3 (Entered into force on 5 Jun 2023)
Based on:	Document WP.29/2022/146 Proposal from GRSG to clarify the scope of the UN Regulation and to complement the text with the missing Supplement 7 to the original version of UN R116.

Regulation:	UN Regulation No. 13 \| Heavy-Duty Vehicle Braking
Document:	Revision 9 \| Amendment 2
Corresponds to:	12 series of amendments \| Supplement 2 (Entered into force on 5 Jun 2023)
Based on:	Document WP.29/2022/138

Regulation:	UN Regulation No. 13 \| Heavy-Duty Vehicle Braking
Document:	Revision 8 \| Amendment 11
Corresponds to:	11 series of amendments \| Supplement 20 (Entered into force on 5 Jun 2023)
Based on:	Document WP.29/2022/137 Proposal to clarify provisions regarding the actuation of the parking brake warning device to cover the case of electric control transmission systems where there may be a transition between parked (applied) and un-parked (released) braking states.

Proposal to amend UN R13

Document GRVA-11-42

1 October 2021

11th GRVA session (27 Sep-1 Oct 2021)

Proposal to allow the parking brake warning device to be actuated only once the electric transmission of the parking brake is in a stable state securing the park brake application.

Submitted by CLEPA and OICA

Status: Informal GR review

13th GRVA session (23-27 May 2022)

8. (a) | Electronic Stability Control

8. (b) | Electro-mechanical brakes

8. (c) | Clarifications

88. GRVA resumed its discussion on park brake warning requirements in the case of electric parking brakes, based on a revised proposal in GRVA-13-22 and the supporting material in the presentation GRVA-13-25. Following discussion, GRVA developed a revised proposal.

89. GRVA adopted GRVA-13-22/Rev.1 (based on ECE/TRANS/WP.29/GRVA/2022/11 and reproduced in Annex III) and requested the secretariat to submit it, as supplements to the 11 and 12 series of amendments to UN Regulation No. 13, to WP.29 and AC.1 for consideration and vote at their November 2022 sessions.

11th GRVA session (27 Sep-1 Oct 2021)

8. (c) | Clarifications

93. The expert from OICA introduced GRVA-11-42, an amendment proposal to clarify the warning actuation requirements in case the parking braking system would be automatically requested to apply the parking brake. GRVA requested the secretariat to distribute GRVA-11-42 with an official symbol at the next session.

Reference Number:	TF-AVRS-13-03/Rev.1
Submitted by:	OICA
Meeting Session(s):	13th TF-AVRS session (23 Apr)
Document date:	24 Apr 24
Regarding:	UN R115 LPG/CNG Retrofit Systems

Reference Number:	EqOP-WS-01-09
Submitted by:	Chalmers and Folksam
Meeting Session(s):	EqOP-WS-01 (5-6 Sep 2023)
Document date:	31 Mar 22
Regarding:	Equitable Occupant Protection

Reference Number:	TA-23-01/Rev.1
Meeting Session(s):	23rd TA session (25 Apr)
Document date:	24 Apr 24
Regarding:	Tyre wear

Reference Number:	TA-23-04
Submitted by:	ETRTO
Meeting Session(s):	23rd TA session (25 Apr)
Document date:	24 Apr 24
Regarding:	Tyre wear

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