No person shall use the hooter of a vehicle except when such use is necessary on the grounds of safety.
You may not use a light motor vehicle on a public road unless-
• it is equipped with a warning device (hooter), which is in good working order and,
• when used, capable of emitting a sound, which is clearly audible by a person of normal hearing from a distance of 90 metres.
• Sirens or warning devices that play a tune may not be used in private vehicles.
EMERGENCY WARNING DEVICE (SIREN)
The driver/rider of a motor vehicle shall give immediate right of way to all emergency vehicles sounding a siren and displaying emergency warning lights.
The following vehicles are regarded as an emergency vehicles-
• a fire-fighting vehicle (red warning light),
• a fire-fighting response vehicle (red warning light),
• a rescue vehicle (red warning light),
• a emergency medical response vehicle (red warning light),
• ambulance (red warning light),
• vehicle driven by a traffic officer in the carrying out of his or her duties (blue warning light),
• a vehicle driven by a person while engaged in civil protection (green warning light).