ON JULY 25 I SLOWED DOWN IN GROCERY STORE PARKING LOT. SLOWLY APPROACHING PARKING SPACE AND APPLYING THE BRAKE TO STOP CAR. THEN SUDDENLY WITH NO REASON THE CAR ACCELERATED, JUMPED THE CURB.THEN CAR STOPPED AFTER I HIT BUILDING FORTUNATELY NO HUMANS. I WAS SHAKEN BUT NO BAGS DEPLOYED. I AM AFRAID TO DRIVE THIS CAR BECAUSE I AM CONCERNED IT WILL DO THIS AGAIN AND I WILL BE IN TRAFFIC OR NEAR PEOPLE AND I COULD HURT OR KILL MYSELF OR SOMEONE ELSE. THERE WAS NO WARNING OF ANY PROBLEMS. CAR IS STILL UNDER WARRANTY TO 8/12/2019. NHTSA HAD PROBLEM WITH TOYOTA UNINTENDED ACCELERATION IN 2010. PLEASE HELP WITH UNINTENDED ACCELERATION ON MAZDA. PEOPLE REPORTED THIS PROBLEM BEFORE ME BACK TO 2015. THIS IS MY SECOND COMPLAINT . NOBODY CALLED ME BACK AND CALLED AGENCY BEEN TOLD YOUR EMPLOYEE HE CANNOT GIVE ME INFORMATION I HAVE TO WRITE LETTER AND ASK. YOU ARE GOVERNMENT AGENCY AND YOUR MOTTO IS PEOPLE SAVING PEOPLE. PLEASE DO.