WAS DRIVING AND SAW A DEER IN THE ROAD. WHEN I PRESSED THE BRAKES THEY LOCKED AND THEN THE PEDAL WENT TO THE FLOOR AS IF THE BRAKES WENT OUT. AT THAT TIME THE STEERING WAS DIFFICULT. THE VEHICLE WENT THROUGH A FIELD THROUGH 2 FENCES AND OVER A DITCH BEFORE COMING TO A STOP. THE ENGINE DID NOT SHUT OFF. THERE WAS MAJOR FRONT END DAMAGE, FROM THE FENCE POSTS, AND THE AIR BAGS NEVER DEPLOYED. THE VEHICLE WAS DECLARED A TOTAL LOSS DUE TO THE DAMAGE. *TR