A MARINA MAN HAS BEEN ARRESTED ON VEHICLE THEFT CHARGES.    22-YEAR-OLD GENARO PONCE WAS SPOTTED AROUND 10:30 A-M FRIDAY, DRIVING A CAR REPORTED STOLEN FROM SANTA CRUZ.     POLICE STOPPED THE TOYOTA ON CHARLES BENSON ROAD.     THE SUSPECT YIELDED TO OFFICERS. A WOMAN AND THREE CHILDREN WHO WERE IN THE VEHICLE WERE RELEASED.    PONCE WAS BOOKED INTO MONTEREY COUNTY JAIL.