I was the only person in the truck and there was no one nearby. I was slowly backing the Ford 150 Lighting into my driveway, going straight back. I was going slow because another car was parked at the back end corner. As I was rolling slowly back, the truck started to accelerate on its own, I had not increased pressure on the pedal. The truck was not making any beeping noises or alerts on the screen indicating that there was another car parked behind it. NO safety alerts at all. The truck was completely out of my control other than my ability to turn the steering wheel. I had lifted my foot off the gas pedal entirely at one point to make sure it was not me pressing it and the car kept moving faster without my foot. I tried to steer the truck straight back but upon realizing it would not stop and was only getting faster, I veered the steering wheel to avoid hitting our other small car and turned the truck which backed up directly into the south west corner of our house. The house is what stopped the truck. Upon impact with the house- NO airbags inflated. The truck touchscreen temporarily shined red and audibly said that it would “call 911” and no call was ever made. After this, and after I had gotten out of the truck, I realized that the entire truck shut down mechanically. The turn on button did nothing, the key did nothing, the gears would not shift - it was in a locked position. The driver's seat that I was in- got dislodged and crooked by the force of the truck to