NHTSA Complaint #11530786 — 2017 HYUNDAI SONATA

I have financed my Hyundai Sonata Sport 2017 in December of 2019. I have not had any issues until this current year of 2023. I have noticed that with every oil change that I receive that I would have to go back to the dealership or certified mechanic a month or two earlier. I personal checked for leaks but seen no signs of why I had to get constant oil changes. Recently, when driving on the highway speed limit at 70 mph and my car went to 60 mph. The engine light came on but no other warning. I stopped the car, check the oil level which was pretty low and topped it off. I let the car sit for a short while as I was only 5 mins away from home. Soon as I made it back, I check the oil level again which was in the line. Check for visible leaks. I figured my car shook as it did and idle at the speed do to a misfire with the spark plugs/coils which I had already replaced 2 months prior to the incident. I was able to use a car scanner from AutoZone to check for codes but there wasn't an engine light at all on the dashboard. There was only one code that did show which was P1326 but no engine light or flashing engine light. I then schedule an appointment for an oil change and to confirm that the engine light code was with Firestone Auto Care to analyze the issue. They did an overall check over on the car, checked for codes, and changed the oil in which they found no issues. With driving my car to test if there were any issues it completely shut down and did not want to start. They called me to tell me that the engine was locked. They tried turning the engine over multiple times, but nothing would start up. Due to not knowing what was going on with my vehicle I felt unsafe with driving it as it completely slowed down on the highway. As other cars where speeding by. It gave no indications prior to the incident that anything was wrong. I am waiting to see a Hyundai dealership to inspect my vehicle which they are booked until next month. My car is currently disabled.