2020 Ram 1500 body & structure problems

While stopped in line at a fast food drive thru line the brakes released allowing truck to idle into car ahead slightly damaging both vehicles. No amount of pressure on the brake pedal had any affect on stopping. Dealer could not duplicate problem and scan shows no codes except the front park sensors most likely damaged in the contact. Ram stated if they can't duplicate issue they are of no assistance

The contact owns a 2020 Ram 1500. The contact stated that the trim on the rear glass detached and failed to prevent water from entering inside the vehicle. The contact stated that there was water accumulating underneath the carpet, and there was mold on the carpet. There was no warning light illuminated. The contact stated that recently the third brake light failed and allowed water inside the vehicle. The vehicle was taken to a dealer, where it was determined that the plastic trim had detached.