It happened around 11:45 p.m. Saturday at the Wawa in Pilesgrove Township.
Police say the suspect allegedly stole a Ford Fairmont from the parking lot.
The stolen car was later recovered abandoned in Newark, Delaware.
Police say a cellphone was taken from the car.
The suspect was captured on video surveillance leaving the Wawa.
She is described by police as a white female, slender build, between the ages of 40 and 50. She was seen carrying a tan purse and using a large cell phone with a large black logo or sticker on the back.
Anyone with information on her identity or whereabouts is asked to contact New Jersey State Police Woodstown Station at 856-769-0775. Tips can remain anonymous.
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