AT 20:41HRS THE STATION WAS TONED OUT FOR THE WATER RESCUE BOX WITH A CAR INTO THE WATER. DO TO THE PAST RAIN CREWS FIGURED SOMEONE TRIED TO GO THROUGH WATER ACROSS THE ROADWAY AND WAS STUCK. WHEN C-2 AOL HE FOUND ONE CAR IN THE CHOPTANK RIVER AND ONE PERSON SITTING ON THE ROOF ABOUT 30FT OUT FROM THE ROADWAY. THE CREW FROM E203 MADE SURE THE SUBJECT WAS OK FROM LAND, WHILE WAITING FOR THE DIVER TO SUIT UP IN A DRY SUIT TO GO MAKE THE GRAB. AFTER MAKING THE GRAB THE DIVER ALSO ASSISTED IN HOOKING THE CAR UP FOR THE TOW COMPANY. UNITS CLEARED @ 2207HRS