Alan Knowsley was recently asked to comment for a Stuff article on the towing away of a car with the driver present at the time. It is not legal to tow a car when the driver is present for illegal parking on private property. Link to the full article click: 

https://www.stuff.co.nz/business/117086954/uber-eats-driver-says-he-was-a-victim-of-predatory-towing

The old common law remedy of “Distress damage feasant” referred to in the article is the self-help remedy an owner of land can exercise to impound a chattel wrongfully on land (eg a car), to recover the cost of damage caused by the chattel.