DRIVING MY TOYOTA TACOMA, I WAS APPROACHING A STEEP DECLINE. I TAPPED ON THE BRAKES AND CONTINUED DRIVING AT APPROXIMATELY 27 MPH WHEN I DOWN SHIFTED TO ACCOMMODATE FOR THE SNOWY ROAD. AS I WAS DOWN SHIFTING THE TRUCK LOST CONTROL AND SLID SIDEWAYS CAUSING THE FRONT PASSENGER SIDE TO HIT A SNOW BANK. ONCE THE TRUCK STRUCK THE SNOW BANK IT FLIPPED OVER ON ITS DRIVER SIDE. THE SIDE AIR BAGS ON BOTH SIDES CAME OUT BUT DID NOT INFLATE. THE DRIVER SIDE BAGS WERE TORN. I FOUND EVIDENCE OF THIS WITH SHREDDED PIECES OF THE AIR BAG FOUND IN THE VEHICLE. ADDITIONALLY THE DRIVER SIDE FRONT AIR BAGS NEVER DEPLOYED..UPDATED 03-02/15 *BF.....UPDATED 03-11-15 *BF UPDATED 9/22/2017*CN