The contact owns a 2021 Genesis GV80. The contact stated while attempting to refuel the vehicle, the fuel tank door switch failed to function as intended. The contact stated that the fuel tank door switch failed to unlock the fuel door. Additionally, the contact stated that the failure had occurred while on a road trip. The contact stated that he and his family were stranded for hours. The contact ripped the fuel tank door off and was able to refuel the vehicle. The vehicle was not diagnosed or repaired by an independent mechanic or the dealer. The vehicle was scheduled for an upcoming inspection. The manufacturer was made aware of the failure and a case was filed. The contact was advised to contact the NHTSA Hotline to report the failure. The failure mileage was approximately 21,000.