CAR WAS GOING 35 MPH ON A STRAIGHT, DRY, PAVED, FLAT STREET WHEN THE AIRBAG SPONTANEOUSLY DEPLOYED WITHOUT WARNING RESULTING IN FACIAL ABRASIONS AND SUDDEN HEARING LOSS IN BOTH EARS WHICH CONTINUES TO THIS DAY. TOYOTA MAINTAINS CAR WAS OLD AND OUT OF WARRANTY. CAR WAS INITIALLY TAKEN TO A LEXUS SPECIALIST WHO BEGAN TO INVESTIGATE MOISTURE ON FLOOR OF BACKSEAT. I ADVISED HIM TO STOP AND SO VEHICLE WAS PARTIALLY DISASSEMBLED AT TIME OF SUBSEQUENT FIELD TECHNICAL SPECIALIST'S INSPECTION. LEXUS HAS REMAINED UNRESPONSIVE IN LIGHT OF ABOVE EXPLANATION. CAR CANNOT BE REPAIRED AND WE ARE FORCED TO DRIVE CAR WITHOUT AN AIRBAG. HEARING LOSS REMAINS IN SPITE OF EXPENSIVE NEW HEARING AIDS.