The Ford dealership completed repairs on my vehicle and returned it by parking it in front of my garage. I have a long driveway and additional parking and needed to park the vehicle somewhere else (maybe 20-30 feet away). I reversed the truck ~20 feet and when I tapped the gas lightly to turn the car left to pull into the parking space it accelerated rapidly. I pressed the brakes repeatedly and the car didn't stop and barely slowed down after noticing that continuing to turn the steering wheel to the left did nothing. I tried cutting the wheel and the tires seemed unresponsive and the vehicle didn't stop until it hit a small tree on the right side of the parking area. Upon trying to move the vehicle back to the original parking space the vehicle seemed to only allow steering to the right and hit a tree on the right passenger front door. The airbags, part of the service work previously completed from another recall, didn't deploy despite having an 85lb passenger in the vehicle. The dash flashed with many sensors when I initially tried to stop the vehicle when it was in drive. The vehicle is available for inspection. The safety of myself and my passenger were at risk. I was transported to the ER. The problem was not confirmed by anyone yet. The vehicle was inspected by police visually and damages documented in the police report. I have not spoken to the dealer as I'm now weary of their service center practices since this occurred the first time I drove the vehicle after they m