Australian Capital Territory Numbered Regulations

ROAD TRANSPORT (ROAD RULES) REGULATION 2017 (NO 43 OF 2017) - REG 224

A driver must not use, or allow to be used, a horn, or similar warning device, fitted to or in the driver's vehicle unless—

        (a)     it is necessary to use the horn, or warning device, to warn other road users or animals of the approach or position of the vehicle; or

        (b)     the horn, or warning device, is being used as part of an anti-theft device, or an alcohol interlock device, fitted to the vehicle.

Maximum penalty: 20 penalty units.

Division 13.4     Portable warning triangles for heavy vehicles