The man who shopped the pair to police described the action on Facebook.
"Too the disgusting pigs conducting the lewd act in the busiest part of The Warehouse car park less than 20 meters away from the main door, I hope havn a police spotlight and a lady cop knocking on ya windows gav a ya good fright ... ringing the cops on ya filthy a** best call I ever made and watchn them catch u in the act was classic.[sic]"