Alternator/generator/regulator problems of the 2017 Hyundai Sonata

After a tire change the hazard light and tire light came on. I was advised to take it to the shop and see if the sensor needs to be reset. I took it in a shop and the tire light went away but the hazard light remained. After about a week with the hazard light on, I was driving in the morning around 7:30am the car started to brake itself while driving about 30mph on an austin town street. I pulled over due to risk of getting rear ended. I was able to drive about 10 feet before it did it again and I parked. The "check hybrid engine" light then came on. I sat for about 20 min and tried to turn it on and the "check hybrid battery light came on again and this time the car wouldnt turn on. I called a tow truck and had them tow it to happy hybrid in austin TX and was advised it may be my hybrid battery generator as my hybrid battery was at 5%. They could not fix it but it should be covered under warranty and I had to have it towed to the Hyundai dealership in south austin TX on south ih-35. It has been there now for 2 weeks and I am without a vehicle. The dealership stated this may be related to 2 recalls I have on my vehicle but they are not sure. I purchased this car February 2018 and it is now March 2020. Only 2 years.

On Saturday 9/16/17 I was at a stop light sitting still when my car stalled and went dead. I looked at the dashboard and saw the engine light was on. The brake was frozen and before I could restart the car it rolled into the vehicle in front of me. There no damage to her Jeep. However my car hit the spare tire and rack on the back of her trunk, causing damage to the hood of my car, the grill and lower bumper. We did not exchange information, as she did not have damage to her car, so she left the scene. I drove the car home (2 miles from my house) and called the dealership. They told me to bring the car in. I brought it in the same day. Raymond, the service agent came outside to survey the damage and I told him what happened. He went to talk to the service manager and later came out and said they will take the car and put it on the machine to get a diagnostic reading to see why the car stalled. They gave me a loaner car and I left. On Monday, 9/19/17, I returned to the dealership after I got off work and was told by raymond that they could not find anything wrong thus far. He said he wanted to keep the car another day or two to take it for a drive and try to see if it would stall again. I agreed and asked raymond to also check the fuel injectors, fuel pump, fuel regulator, as my friend who is a car mechanic suggested to me that this can cause a car to stall also. He said okay. On today, Wednesday 9/21/17, raymond called me and said they took the car out for a drive and it did not stall, nor could they get a reading that anything was wrong when they put it on the machine. He said he could not understand why the car would stall. I asked for a diagnostic report and he said he could only give me a copy of the service ticket. I am afraid that this car could stall again and what if it happens while driving -- it could be much worst damage and bodily harm. Please help!.