The San Francisco Police Department seized the vehicle, according to a post on Twitter. The incident happened during an illegal driving event in Barneveld and McKinnon on July 11.
The woman was photographed holding the assault rifle as she leaned out of the Cadillac window.
The vehicle was tracked down and seized on August 5.
The image was shared on San Francisco Police Department Traffic Safety’s Twitter account.
The tweet read: “On July 11, 2021, during an illegal exhibition of speed event at Barneveld & McKinnon, a passenger leaned out of a Cadi holding an AK47.