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.
Reference prepared by the WP.29 secretariat
Proposal as approved by the GRRF to clarify provisions on the use of Combined Braking Systems (CBS) and make some additional editorial improvements.