I HAVE A 2001 PRIUS THAT ALSO HAS A PROBLEM WITH BRAKING, SIMILAR TO THAT DESCRIBED WITH THE 2010 MODEL. AT LOW SPEEDS WHEN THE CAR HITS A BUMP OR POTHOLE THE BRAKING IS MOMENTARILY LOST, BUT THEN RESUMES WITHIN 1-2 SECONDS. IN ~ 2003 I HAD A VERY LOW SPEED COLLISION FROM THIS (ABOUT $1000 DAMAGE TO THE HOOD SHEET METAL), BUT HAVE NOW LEARNED TO COMPENSATE FOR IT (BASICALLY APPLY BRAKES HARD AND WAIT FOR BRAKING TO RESUME AFTER THE PAUSE). I HAD REPORTED THIS TO THE DEALER ON SEVERAL EVALUATIONS, INCLUDING AFTER THE ACCIDENT, AND WAS TOLD THAT NO PROBLEM COULD BE IDENTIFIED. I AM REPORTING THIS BECAUSE IT IS REMARKABLY SIMILAR TO WHAT IT PURPORTED TO BE A NEW PROBLEM WITH THE 2010 PRIUS. IT IS NOT NEW. PLEASE FEEL FREE TO CONTACT ME IF YOU WOULD FIND OTHER INFORMATION USEFUL. *TR