The woman was in her gold Toyota Camry on Longfield Street at 7pm when a man approached her.

After a short conversation he opened the door and pulled her from the car.

She struggled with the man, who had gotten into the driver's seat.

A number of people helped the woman chase him but he got away.

He is described as being in his late 20s, of thin build, about 183 centimetres tall, and wearing a jumper with orange sleeves and dark back, dark track suit pants and joggers.

Anyone who witnessed the incident can contact Cabramatta Police, 9725 8999 or Crime Stoppers, 1800 333 000.