Proposal for corrections to the draft Supplement 5 to the regulation. The draft supplement aims to refine definitions, removes the “AWD” abbeviation for “audible warning device” to avoid confusion with its more common use for “all wheel drive”, adds T category agricultural vehicles to the scope, modifies some administrative communications, and proposes three-direction acoustic measurements.

Comments on the draft Supplement 5 to UN R28.

Proposal to introduce a definition for “Electronic” to mean a principle of operation by electric or electro-magnetic force with amplifier and speaker or resonator in order to address new technologies enabling a driver-actuated audible signal of the presence of a vehicle in a dangerous traffic situation.

Proposal to define “electronic” as a “principle of operation by electric or electro-magnetic force with amplifier and speaker or resonator”.

A proposal to meet the objective to reduce noise pollution (particularly in towns) and to be able to warn pedestrians, cyclists and others of the vehicle’s arrival with the least possible discomfort.