Did you read the Chauffeur Drive page?
http://www.qantas.com.au/travel/airl...rive/global/en
Chauffeur Drive is available to First and Business Qantas customers travelling on flights between Australia and London and Dubai, and on Qantas international flights between Australia and Los Angeles or Dallas.
Qantas codeshare customers travelling on an Emirates operated service to and from Dubai (flight numbered QF8000 to QF8999) are also eligible for Chauffeur Drive at destinations where Emirates offer the service. View destinations where Chauffeur Drive is available on the Emirates network.