Drivers with an iPhone 14 or newer — including the latest iPhone 17 models — will be able to connect to NRMA Roadside Assistance via satellite, even when they’re beyond mobile coverage.
According to another article this will also work with various other roadside assistance providers:
Roadside Assistance via Satellite can be used in Australia to get help from NRMA, RACV, RACQ, RAA, RAC, RACT, and AANT.