WHILE DRIVING 40 MPH SPEED CONTROL ENGAGED. THE CONSUMER MADE ATTEMPT TO DISENGAGE THE SYSTEM AND THE VEHICLE ACCELERATED. THIS CAUSED THE DRIVER TO LOSE CONTROL AND RUN INTO A DITCH. UPON IMPACT, THE FRONT AIR BAGS DEPLOYED, BUT NOT THE SIDE AIR BAGS. *AK THE CONSUMER SUSTAINED A BROKEN ANKLE, FRACTURED HIP JOINT, FRACTURED PELVIS AND A COLLAPSED LEFT LUNG. *NM