The contact owns a 2021 Chevrolet Impala. The contact stated that her husband had entered the vehicle and while the key was in the ignition, the vehicle exploded in the engine compartment. There were no warning indicator lights illuminated. There were no reported injuries, air bag deployment, or police report filed. There were fire and flames approximately six feet high. The contact and her husband were able to extinguish the fire. The contact called the local dealer but was not diagnosed or repaired. The contact called another local dealer (Sunset Chevrolet 910 Traffic Ave, Sumner, WA 98390(253) 656-0459) but the vehicle was not diagnosed or repaired. The manufacturer was contacted, who referred her to the local dealer. The failure mileage was approximately 165,000.