What should I do in case of a breakdown or accident while driving in New Zealand?

In case of a breakdown or accident while driving in New Zealand, prioritize safety, move your vehicle to a safe location, and assess injuries. Dial emergency services at 111 for serious injuries. Report the incident to the New Zealand Police by dialling *555. Exchange contact and insurance details with the other party, document the scene, and notify the rental company if applicable. Contact your insurance provider to initiate the claims process. Seek legal advice if necessary. Stay calm and follow instructions from authorities for a smooth resolution.