2023 Hyundai Tucson electrical system problems

I purchased a new vehicle in February 2023. After a month and a half, I traveled to Washington DC on a pleasure trip. After my work/vacation trip when I am returning back to home all of the sudden, there was heavy smoke from the hood and eventually tried to turn off the engine but the car didn't respond, and when I tried to open the Hood in order to cool down the engine I see fire already in the engine. So, there was no intimation on the dashboard about the fire or not even an alert.

The contact owns a 2023 Hyundai Tucson. The contact stated that while driving from a stationary position, the vehicle switched to safe mode and suddenly decelerated, and would not accelerate above 20 - 27 MPH. During the failure, the message "Limited to 20 MPH" was displayed. The cause of the failure was not determined. The local dealer and manufacturer were not yet notified of the failure. The failure mileage was 1,789.