The contact owns a 2021 Volkswagen Atlas. The contact stated that while driving at an undisclosed speed, there was an abnormal burning odor detected. There were no warning lights illuminated. The vehicle was taken to the local dealer four times, who stated that it was normal. The manager informed her the cabin wall was thin. A pressure test was performed but there was no indication of a leak or burning odor. The manufacturer was contacted but provided no additional assistance. The contact stated that the vehicle was causing her breathing problems and medical attention was provided. The failure mileage was approximately 0.