Western Australian Current Regulations Western Australian Current Regulations (1) A motor vehicle
must be fitted with at least one horn or other device that can give sufficient
audible warning to other road users of the approach or position of the
vehicle.
(2) A motor vehicle
must not be fitted with a device that can make a sound —
(a) like
the sound of a siren, bell, exhaust whistle or compression whistle; or
(b)
alternating between different tones or frequencies on a regular time cycle.
(3)
Subregulation (2) does not apply to —
(a) an
emergency vehicle; or
(b) a
transport enforcement vehicle; or
(c) an
Australian Protective Service vehicle; or
(d) an
Australian Border Force vehicle; or
(e) an
Airservices Australia vehicle; or
(f) a
vehicle at least 25 years old that is fitted as an emergency vehicle
if —
(i)
the vehicle is used for exhibition purposes; or
(ii)
it is part of a collection of former emergency vehicles;
or
(g) an
anti‑theft alarm if the alarm cannot be operated while the
vehicle’s ignition is on.
(4) A motor vehicle
may be fitted with a device that —
(a)
emits a regular, intermittent sound while the vehicle is reversing or in
reverse gear; and
(b) is
not louder than is necessary so the driver, and a person near the vehicle, can
hear the device when it is operating.
[Regulation 251 amended: Gazette
29 Mar 2019 p. 964.]