Create free account (or login with your myToyota Connect details if you have an account already) and get access to JB Hi-Fi Commercial.
Doesn't need vehicle ownership to get that perk
Oops, steps below, thanks alvian:
https://www.toyota.com.au/account/benefits & click Enjoy exclusive offers from JB Hi-Fi — Redeem
Thanks, worked for me. Wouldn't let me register my Crown though.
Also JB Business' website is a pain to navigate.. No "Sort by price"?