Police are appealing for information following an incident in Mooroolbark on 19 July.
It is understood a 14-year-old boy was riding his bike along Station Street when he was struck by a white hatchback with a grey door about 5pm.
The driver stopped at the scene before getting in his car and leaving.
The boy returned home and the incident was reported to police.
He sustained minor injuries and attended hospital for treatment.
Police have released images and CCTV of a vehicle in the hope that someone may recognise it.
Anyone who recognises the vehicle or with any information is urged to contact Crime Stoppers on 1800 333 000 or submit a confidential crime report at www.crimestoppersvic.com.au