DRIVER OF A 2001 CADILLAC SEVILLE FAILED TO YIELD THE RIGHT-OF-WAY TURNED LEFT IN FRONT OF THE ABOVE LISTED 2006 TOYOTA PRIUS RESULTING IN A FRONT-END COLLISION IN-BETWEEN THE TWO VEHICLES, AND THE AIR BAGS DID NOT DEPLOY. CONTACTED VEHICLE OEM (TOYOTA); WHO REFUSED TO SUPPORT OR INVESTIGATE THE ACCIDENT AND PROVIDE ANY AIR BAG DEPLOYMENT ASSESSMENT (VIA EDR DOWNLOAD). DAMAGE TO THE VEHICLE WAS LIMITED TO THE FRONT-END, AND PASSENGER SIDE OF THE VEHICLE. *TR