MY WIFE REAR ENDED A TAXI, SHE COMPLAINED THAT THE BRAKES DID NOT STOP THE CAR. WE HAD THE CAR TOWED TO THE HOUSE, I FREED THE HOOD AND REMOVED THE BUMPER COVER TO INSPECT THE DAMAGE. WHEN I GOT IN AND TRIED THE BRAKES, THE PEDAL WENT TO THE FLOOR. WHEN I OPENED THE BRAKE FLUID RESERVOIR TO CHECK THE FLUID, THE BRAKES RETURNED TO NORMAL. THAT INDICATES A VACUUM TO ME, WHICH IS NOT NORMAL.I WOULD LIKE TO REQUEST ANALYSIS OF THE EVENT DATA RECORDER. *TR