BS ISO 29061-4:2017

1   Scope This document provides criteria for judgement of usability of child restraint systems ( CRS ) with regard to the securing of a child in the child seat and other daily handling aspects. The document provides criteria for judgement of:

       —  ease of availability of instructions; 
   
   
     
       —  clarity of instruction manual and labelling; and 
   
   
     
       —  the ease of use of design related features of the  CRS  related to securing the child or child dummy in a  CRS  installed in vehicle. 
   
 

This document can be used in conjunction with either ISO 29061‑1 or ISO 29061‑3 for making a complete usability evaluation of child restraint systems attached to the vehicle with ISOFIX/LATCH or vehicle seat belts.

   NOTE  Booster system  usability  evaluation, including securing of a child in the booster system, is covered by [ISO 29061‑5](/search?q=ISO%C2%A029061%E2%80%915).