The contact owns a 2016 Hyundai Tucson. The contact stated while coming to a stop at approximately 2 MPH at a traffic light, the vehicle rolled forward, failing to come to a complete stop, and collided with the rear bumper of the vehicle in front. The contact stated that the "four-way braking" warning light and another unknown light were illuminated. The contact stated that there was damage to the rear bumper of the vehicle in front. The police were called but no report was written and there were no injuries. The contact had driven the vehicle to a local dealer where it was diagnosed with an issue with the ABS related to NHTSA Campaign Number: 20V543000 (Service Brakes, Hydraulic) and needed to be taken to a manufacturer dealer for repair. The vehicle was not repaired. The manufacturer had been informed of the failure. The failure mileage was approximately 59,000.