Shocking footage shows a toddler standing unrestrained on the back seat of a convertible as it drives along a motorway.
The video was recorded in Auckland, New Zealand, by Jordan Chapman who was the passenger in a van following the car.
In the clip, the youngster can be seen climbing across the rear seats of the drop-top Lexus. As Chapman records he notes the boy 'might be two years old, if he's that'.
The vehicle Chapman is travelling in catches up with the offending car and pulls alongside.
Shouting at the driver and passenger of the convertible, he yells: "That's not good.
"He's gotta sit down. In the f****** seat you stupid b****!"
Chapman claims the driver received a £120 fine after the video went viral on Facebook.