I HIT A BMW. I WAS CHANGING THE STATION IN MY CAR AND WHEN I LOOKED UP I WAS TOO CLOSE TO THE BMW TO SUCCESSFULLY STOP BEFORE HITTING THEM. AS A RESULT, BECAUSE THE BMW WAS COMPLETELY STOPPED, A DOMINO EFFECT OCCURRED IN THAT THE TWO CARS IN FRONT OF THE BMW WERE ALSO HIT. THE DAMAGE TO THE BMW, THE CAR I DIRECTLY HIT, WAS A BACK BUMPER THAT WAS SLIGHTLY DE-ATTACHED FROM THE CAR (MODERATE DAMAGE) AND A THE FRONT WINDSHIELD CRACKED. THE AIRBAG IN THE BMW DEPLOYED. MY AIRBAG DID NOT. I WAS IN AN ACCIDENT IN 2008 WHERE I WAS REAR-ENDED. AGAIN, AT THE RATE I WAS HIT, MY CAR'S AIRBAG DID NOT DEPLOY. THIS IS THE SECOND TOYOTA THAT I HAVE BOUGHT WHERE THE AIRBAG DID NOT DEPLOY. I WORRY THAT THERE WAS SOMETHING WRONG WITH MY CAR'S SENSORS.