PURCHASED MY NEW RAV4 ON 12/2017. ON 8/13/2017 I WAS AT A DRIVE THROUGH AND STOPPED AT THE END OF THE LINE AND THE SERVICE BRAKE WHEN I PRESSED THE PEDDLE THE BRAKE WAS FIRM AND STOPPED CORRECTLY. THE LINE MOVED AND I LIFTED MY FOOT OFF OF THE SERVICE BRAKE AND THE LINE STOPPED AND I APPLIED THE SERVICE BRAKE PEDDLE AND HAD TO PRESS THE PEDDLE FURTHER THAN I PRESSED THE PEDDLE THE FIRST TIME I STOPPED IN THE LINE. WHILE STOPPED IN THE LINE THE SECOND TIME THE RAV4 STARTED TO ROLL FORWARD AND I HAD TO PRESS THE SERVICE BRAKE EVEN FURTHER TO GET THE RAV4 STOP. THE LINE MOVED FORWARD AND I LIFTED MY FOOT OFF OF THE SERVICE BRAKE PEDDLE AND THE LINE STOPPED AND WHEN I PRESSED THE SERVICE BRAKE PEDDLE THE SERVICE BRAKE PEDDLE WENT TO THE FLOOR AND DID NOT SLOW UNTIL I STRUCK THE VEHICLE IN FRONT OF ME. AFTER THE ACCIDENT MY SERVICE BRAKE PEDDLE WAS VERY SPONGY AND SLOW TO RESPOND WHEN PRESSING THE SERVICE BRAKE PEDDLE. I TOOK MY RAV4 ON 8/14/2017 TO LOCAL DEALERSHIP TO HAVE MY SERVICE BRAKES CHECKED. WHEN I TOOK THE RAV4 IN I DID NOT HAVE ANY PAPER WORK TO SIGN. THE AFTERNOON THE SERVICE ADVISOR SAID MY RAV4 WAS READY. WHEN I WENT TO GET MY RAV4 THE SERVICE ADVISOR SAID NO CODES AND DID NOT GIVE ME ANY PAPER WORK AND I DID NOT SIGN ANY PAPER WORK. WHEN I GOT IN TO DRIVE THE RAV4 AWAY MY SERVICE BRAKE PEDDLE WAS FIRM NOT SPONGY AND RESPONDED QUICKLY AS VERY LITTLE MOVEMENT TO PRESS THE SERVICE BRAKE PEDDLE TO STOP THE RAV4. MY SERVICE ON THE TOYOTA WEB SITE SERVICE HAS NEVER REPORT