Proposal to increase the potential speed reduction during the collision warning phase and clarify the interpretation of “engine start/run cycle”.
Proposal to align provisions with corresponding provisions of UN R152 and to clarify the interpretation of the provisions on system robustness when applied to heavy duty vehicles.
97. The representative of EU confirmed that a drafting group for the work on UN GTR No. 4 had been established to develop a draft amendment to UN GTR No. 4 for submission to and consideration by AC.3 at its November 2014 session.