What does it cover?
The UN R174 working text addresses safety-belt reminder systems in M- and N-category vehicles. Seating positions, detection of belt use and warning levels are defined together. System behaviour is assessed for the relevant vehicle and seating position scope.
Who is it for?
For vehicle manufacturers, suppliers developing the relevant systems and test or approval teams.
Which subjects are addressed?
- Seating positions and belt detection
- Visual and audible warning levels
- Reminder system tests
Common question
Does publication of this page mean R174 has entered into force?
No. This is an approved RegsUP working text. Entry into force of the selected text has not yet been confirmed, so this page does not announce a new mandatory date.
Published RegsUP edition
This page is tied to the published RegsUP working edition below; it is not an official consolidated text.
RegsUP record title: R174 — UN Regulation No. 174
Working series: 01 · Included supplement: 1
RegsUP edition publication date:
This is the RegsUP publication decision date, not the date the regulation entered into force.