The contact owns a 2021 Toyota RAV4. The contact stated while approaching a traffic light, she depressed the brake pedal but failed to stop the vehicle and rear-ended another vehicle. The contact stated no warning light was illuminated. No air bags deployed. The contact stated no one was injured nor sought medical attention. The contact stated a police officer was at the site but no police report was filed. The contact called the local dealer and made them aware of the failure. The vehicle was not diagnosed or repaired. The manufacturer had not been informed of the failure. The failure mileage was approximately 33,047.