At Airbnb, we’re always working on making our community as secure as possible for everyone. That’s why, before booking a home or experience, or becoming a host, we may ask for a government ID or have you confirm your legal name and add your address.
You don't have to upload an ID. My wife a I use the platform without having done so.
EDIT: We're in the US. Note Bërnhard Dobler's comment below: for certain destinations, AirBnB may indeed require an ID.
You really just need to know the main road rules and road signs. If you're visiting New Zealand, there's a tourist road code quiz you can do for free.
The agency you rent your car from will have some advice and there's a booklet called 'Driving in New Zealand' which is multi-lingual and usually provided in the glovebox of your rental vehicle.