If you purchased a Current Generation 2017 Camry, a Current Generation 2018 Corolla Hatch or a Post-facelift 2018 Prius you can have CarPlay® and Android Auto™ installed for $199 inc. GST by booking a service at a Toyota Dealer. To make the process easier, if you book your install through myToyota you’ll have all your details conveniently stored in one place for next time.
This is a great deal considering the price of Android Auto/ ApplePay units. I will miss out as I have a 2016 Corolla.
How about Lexus?
Update: found it here:
https://www.caradvice.com.au/806503/lexus-australia-carplay-…
Owners of the following models are eligible to have the technology retrofitted to their cars – it costs $249, and the work takes around an hour to complete:
NX produced from September 1, 2017
ES produced from July 4, 2018
RC/RC F produced from November 27, 2017
LC (all models)
LS produced from January 8, 2018
UX (all models)