Good morning, I want to report extreme safety concerns about my KIA Forte GT - Line 2023.When I first came home with the car days later the car shut off in the middle of the street while driving just one house up from my house. I attempted to turn it back on and the car would not turn back on and it automatically proceeded to call roadside assistance.I immediately informed the dealership. The car often hesitates, fails to shift and turns completely off. Last Sunday on December 11, 2022 I was about to get on the Roosevelt Boulevard expressway while I was on a street which is a hill that leads me to the expressway going about a reasonable distance. My car proceeded to roll backwards on the hill. I immediately thought to myself this is a huge safety concern. The incident that occurred on December 13,2022 in front of my house was a dealbreaker for me. I was moving my car from my home driveway , I put my car in reverse and moved my steering wheel the opposite to go right with my foot slightly on the gas my car would not move. The transmission light , battery lights and other lights came on. My car then said reverse,neutral then reverse again. I did not change gears to neutral. Still my car would not move. Shortly after I put my foot on the brake because I saw a white car speed behind me very fast. I kept my foot on the brake until the coast was clear and the white car disappeared.After that my car immediately goes backwards at full speed ( Jumps out of gear accelerated then st