The contact owns a 2025 Kia Sportage. There was no indication that there was an issue while test-driving the vehicle. The vehicle was cleaned by the seller before purchase. The contact stated that while driving for twenty minutes, they noticed there was an abnormal burning /chemical smell detected. The occupants /the contact, and her husband sustained nasal, eye, headaches, dizziness, and irritation occurred, and medical attention was provided. The contact attempted to ventilate the vehicle. No warning lights were illuminated. Additionally, the contact had a (Certified Pre-0wned) CPO warranty. The local dealer was not contacted. The vehicle was not diagnosed or repaired. The manufacturer was contacted and opened a case. Additional letters and emails were sent to Kia, but there was no response. A loaner vehicle was not provided. The failure mileage was approximately 262,000.