Home/Resources/Regulation Library/R-158
ECE R-158
Vulnerable Road Users Behind Vehicles When Reversing
Applies to
M, N
Topic
ADAS & vision
Framework
UN ECE
Velocert services
European · Series · Individual
Overview
UN Regulation No 158 lays down uniform provisions for the approval of devices for reversing motion and of motor vehicles with regard to the driver's awareness of vulnerable road users behind the vehicle. Part I covers the approval of the devices, and Part II the approval of their installation on vehicles.
Current series: the original version, Supplement 5 (in force 26 September 2025); this summary is based on the version published on EUR-Lex, the original version (2021). GlobalAutoRegs also lists Supplement 6 and the 01 series with no entry-into-force date. Checked on GlobalAutoRegs, 1 November 2026. For the current text, see the UN (UNECE) page.
Scope
It applies to devices intended for vehicles of categories M and N and to their installation on those vehicles. At the manufacturer's request, approvals may also be granted for other categories. Vehicles on which such a device is incompatible with on-road use may be partly or fully exempted, subject to the Type Approval Authority's decision.
The regulation applies to the following vehicle categories:
M
Passenger vehicles
N
Goods vehicles
Official source
For the requirements of this regulation, refer to the official text in force and its amendments.
Official UNECE text