AIRBAG WAS DEPLOYED ONCE THEY CAR WAS TURN ON, AS I SHIFTED TO REVERSE TO BACK AWAY FROM A PARKING SPOT, AIRBAG DEPLOYED. NO IMPACT, NO COLLISION, NO POT HOLES. VEHICLE WAS ABOUT TONREVERSE. AIRBAG STRUCK PRIMARILY IN THE CHEST, NECK, AND THROAT. WHIPLASH EFFECT HAS ALSO CAUSE LOWER BACK PAIN.