MY WIFE AND I WERE DRIVING DOWN 1-20 AT 70 MPH WHEN THE DRIVER SIDE AIRBAG DEPLOYED FOR NO REASON KNOWN TO US. I WAS DRIVING AND WAS ABLE TO KEEP THE CAR UNDER CONTROL AND GET IT STOPPED. THE AIRBAG INJURED MY LEFT ARM AND MY CHEST. IT FILLED THE INTERIOR WITH SMOKE, WHICH AFFECTED OUR BREATHING (MY WIFE HAS ASTHMA) AND VISION.