The contact owns a 2018 Ford Explorer. The contact stated that while driving at various speeds, there was an abnormally strong odor of fumes throughout the vehicle. The contact stated that there was no warning light illuminated. The contact had to roll down the wind to remove the odor from inside the vehicle. The contact stated that the odor caused her to constantly be nauseated. The vehicle was taken to the dealer who performed an HVAC update on the vehicle however, the failure recurred. The contact stated that medical attention was not sought. The manufacturer was not made aware of the failure. The failure mileage was unknown.