I HAD JUST TURNED MY CAR ON AND PUT IT IN REVERSE TO BACK OUT OF A PARKING SPOT. I ONLY MOVED ABOUT TWO INCHES BACKWARDS, NOT EVEN GOING OVER 5 MPH, WHEN THE AIR BAG RANDOMLY DEPLOYED WITHOUT WARNING. IT HIT ME ON THE LEFT SIDE OF MY HEAD/NECK, CHEST, AND ARM RESULTING IN CUTS, BURNS, AND BRUISES IN THOSE AREAS. MY LEFT EAR STARTED RINGING AND I MOMENTARILY LOST HEARING ON THAT SIDE. I DID NOT HIT ANYTHING WITH MY VEHICLE NOR DID SOMETHING HIT ME. MY CAR DID NOT EVEN LEAVE THE PARKING SPOT BEFORE THIS INCIDENT OCCURRED. AFTER I GAINED COMPOSURE AND REALIZED WHAT HAD JUST HAPPENED, I MADE MY WAY OUT OF THE CAR AND A MAN WHO WITNESSED EVERYTHING WALKED ME TO THE FIRE DEPARTMENT NEAR BY. MY CUTS WERE TENDED TO AND I WAS TRANSPORTED TO THE HOSPITAL BY AMBULANCE FOR FURTHER TREATMENT AND EXAMINING. *TR