THE BACKUP SYSTEM WAS FAULTY. 1. WHEN IN THE REVERSE MODE THE BACK UP CAMERA SENSES WHEN AN OBJECT IS CLOSE AND INITIATES THE BRACKS. 2. I PUT IN REVERSE AND CHECKED AROUND INCLUDING THE SCREEN AND STARTED TO BACK UP AND THE BRAKES JOLTED AND STOPPED THE JEEP WHEN THERE WAS NOTHING IN SITE TO INDICATED ANY THING THERE. IT JOLTED ME AND I HAVE A SPINAL CONDITION AND IT HURT. I DID IT AGAIN TO SEE IF IT WAS A FLUK AND IT DID IT AGAIN. I PICKED MY WIFE UP AND WE WENT TO THE DEALER WHICH WE PAID CASH FOR IT ONLY 2 WEEKS EARLIER AND THE SALES TESTED AND IT DID THE SAME THING, WIFE WAS IN THE JEEP AND IT JOLTED HER AND SHE ALSO AS A SPINAL INJURY AND HAD JUST GOTTEN A SPINAL INJECTION. THEN THE OWNER OF THE DEALERSHIP DISCONNECTED THE BACK UPS SYSTEM AND MADE AN APPOINTMENT WITHE SERVICE IN 2 WEEKS. I THINK THEY SHOULD TAKE IT BACK AS A LEMON AND REIMBURSE ME THE FULL AMOUNT. ? DAMAGE TO THE BREAKS AND QUESTIONABLE INJURY TO US.