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ECE R-174
Safety-Belt Reminders
Applies to
M, N
Topic
Occupant safety
Framework
UN ECE
Velocert services
European
Overview
UN Regulation No 174 lays down uniform provisions concerning safety-belt reminders. A reminder is a system that detects when an occupant is not using the safety-belt and alerts the driver at two levels: a visual first-level warning when the ignition or master control switch is activated, and a visual and audible second-level warning.
Current series: 01 series (in force 11 January 2026); this summary is based on the UN text kept on GlobalAutoRegs, the original version (2025). The text was not found on EUR-Lex. GlobalAutoRegs also lists Supplements 1 and 2 to 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 all seating positions fitted with a safety-belt in vehicles of categories M and N.
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