The noise control vehicle, which belongs to a security firm contracted to the Far North District Council, was found abandoned a short distance away.
What the driver may not have realised was that the car was fitted with a DriveCam system designed to record not just the road ahead but also anything going on in the car.
As a result, she inadvertently gifted the security company and police a series of selfies.
Police urge anyone who recognises the woman in the photo to call Constable Leigh at the Kaikohe station on (09) 405 2960.