Proposal as adopted by the Working Party on General Safety Provisions (GRSG) at its 102nd session to add “A” and “AUTO” symbols for automatic systems and to apply ISO alert color coding (degree of danger hierarchy) to symbols 25 and 28 (brake system malfunction and parking brake, respectively).

This proposal is considered to be adopted and are binding upon all Contracting Parties applying Regulation No. 121 as of 15 July 2013.

Text from the International Organization of Motor Vehicle Manufacturers (OICA) proposing to apply the ISO colour coding and hierarchy of alerts to danger to symbols 25 (brake system malfunction) and 28 (parking brake) of UN R121.

This proposal aims at providing a simple solution applicable to all automatic functions, avoiding the repetition for all automatic systems of the exercise initiated with document GRSG/2011/06 for headlamps.

Proposal for transitional provisions concerning the electronic stability control telltale and approval markings related to UN R121.