I WAS TURNING RIGHT OFF OF AN ACCESS ROAD AND WAS BEHIND A GMC YUKON. THE YUKON BEGAN TO MOVE SO I BEGAN TO ACCELERATE WHILE MAKING SURE THE WAY WAS STILL CLEAR. THE YUKON STOPPED VERY SUDDENLY AND I HIT THE REAR OF THE YUKON. IT APPEARS MY BUMPER WENT UNDER THE YUKON BUMPER AND I SUSTAINED MAJOR DAMAGE TO MY 2008 HONDA PILOT. MY AIR BAG DID NOT DEPLOY AND I WAS TOLD BY THE WRECKER DRIVER THAT THIS WAS BECAUSE THE SENSOR IN THE BUMPER WAS NOT ACTIVATED. MY HAND WAS BROKEN AND I RECEIVED SOME INJURY TO MY NECK AND CHEST. IT APPEARS THAT EITHER THE AIR BAG FAILED OR THERE SHOULD BE A BETTER WAY TO ACTIVATE THE AIR BAG. I CAN SUBMIT PICTURE IF DESIRED. *TR