They have a consultation out around potentially adding a range of mandatory safety features: 
For new and used, light and heavy vehicles:
• Automatic Emergency Braking.
• Lane Keep Support systems.
• Acoustic Vehicle Alerting Systems (for ‘quiet’ electric and hybrid vehicles.)
For new and used heavy vehicles:
• Electronic Stability Control.
• Anti-lock Braking Systems.

If these safety features become mandatory then more vehicles in New Zealand will have them sooner. This could help lower the number and the seriousness of crashes that cause most deaths and serious injuries on our roads.

Why they’re important
Automatic Emergency Braking for light and heavy vehicles: this feature can detect a potential hazard in front of a vehicle, warn the driver of a potential forward collision and activate the brakes if the driver doesn’t react in time.
Lane Keep Support systems for light and heavy vehicles: this feature includes Lane Departure Warning, and Lane Keep Assist. Lane Departure Warnings warn a driver when their vehicle is about to leave its lane. Lane Keep Assist actively steers the vehicle back into its lane.
Electronic Stability Control for heavy vehicles: this feature can control the braking of each wheel to correct a vehicle that is skidding or has lost traction. It’s been required for light vehicles entering New Zealand since 2015.
Anti-lock Braking Systems for heavy vehicles: this feature can reduce wheel locking and aid the driver in unexpected or emergency events by making it easier to steer and slow the vehicle down.
Acoustic Vehicle Alerting System for ‘quiet’ (electric and hybrid) light and heavy vehicles: this feature makes a sound outside of the vehicle to alert pedestrians and other road users to its presence.

You can make comment at 
https://nzta.mysocialpinpoint.com/safety-requirements-for-vehicles-entering-the-New-Zealand-fleet