Hills Fleurieu police are attempting to identify a driver involved in a single car crash on Victor Harbor Road on Monday night, May 25.
Police were called to the scene at Cut Hill, near Hindmarsh Valley, just before 8.30pm and found a car had collided with a tree.
But before they arrived, the driver had left the scene, leaving their passenger in the car.
Fortunately the passenger was not injured.
Police are trying to determine the circumstances of the crash and the driver's identity.
Anyone with information about the crash should contact Crime Stoppers on 1800 333 000 or at www.crimestopperssa.com.au