South Australian Numbered Regulations South Australian Numbered Regulations(1) A motor vehicle fitted with an automatic transmission must have an engine starter mechanism that cannot operate when the transmission control is in a position to drive the vehicle.
(2) A vehicle built after 1975 that is fitted with an automatic transmission must have an indicator in the driver’s compartment showing the transmission control position.
(3) Subrules (1) and (2) do not apply to a motor vehicle with less than 4 wheels.