From one Aussie to another.
If you have not roadtripped in the US before, a couple of hints I have found useful. Be sure to bring your RACV, NRMA (or similar) membership with you. It will give you access to free maps and tourist information from the AAA. While you are in LA, pick up maps for all the States through which you will be travelling, as well as the major urban centres. Don't be tempted to rely solely on a satnav.
A small flag to put in the rear window of the vehicle, also comes in handy. Let's the locals know you are not a local, and who knows who else might see. it It happens regularly that I get an ex pat or an ex military who fought alongside Aussies, approach me for a chat.
I have a feeling that you could be too early for much skiing in early Nov.
Lifey