Hill Rd

1/2 @1526 Squad 2 alerted to Saw Mill Rd for a vehicle over the embankment.  Chief 2 (Worner) traveled the length of Saw Mill Rd finding nothing.  County advised the call came from OnStar.  A callback put the accident on Hill Rd.  Chief 2 arrived to find a vehicle over the bank with the uninjured occupant inside.  Squad crew stabilized the vehicle with chains and removed the occupant.  Cleared @ 1557