The contact owns a 2022 Honda Odyssey. The contact stated while driving at 50-65 MPH, the collision mitigation braking system was applied and the vehicle stopped abruptly, causing her children to sustain whiplash. The message "brake" was displayed on the instrument panel. The vehicle was taken to the dealer where it was diagnosed that no issues were found. However, the failure had reoccurred several times while there were no other vehicles or objects around the vehicle. Additionally, the contact stated while her son was attempting to exit the vehicle through the driver's side rear sliding door, he pressed the door lock button; however, the door did not fully open fully and closed abruptly on his left hand. The contact's son was taken to the hospital where it was diagnosed that he sustained severe pain, laceration, and swollenness on his left hand. The dealer was notified of the failure. The manufacturer was notified of the failures and advised the contact that they would arrange for a field technician to inspect the vehicle; however, the vehicle was not inspected. The contact followed up with the manufacturer. A case was opened. The manufacturer advised the contact to acquire a vehicle rental while the inspection was being completed. The vehicle was not diagnosed or repaired. The failure mileage was approximately 950.