INVOLVED IN FRONTAL COLLISION WITH VEHICLE THAT HAD STOPPED IN THE NUMBER 2 LANE OF FREEWAY FOR OTHER VEH. ACCIDENT. REAR ENDED STOPPED CAR AT 40-45 MPH AND DRIVERS SIDE AIRBAG FAILED TO DEPLOY FORCING MY HEAD AND BODY INTO STEERING WHEEL WITH INJURIES AS A RESULT. CONTACTED NISSAN ON 061401 ABOUT SITUATION SINCE BEING DIAGNOSED WITH ACUTE TMJ DUE TO HEAD HITTING STEERING WHEEL AND STILL AWAITING CALL BACK.*AK