2019 KIA K900 Power Train Problems

I BOUGHT THIS CAR IN NOV. '20. THE FIRST TIME THAT THE TEMP DROPPED BELOW 65, ON THE FIRST "AUTO STOP" OCCURENCE AFTER REACHING OPERATING TEMPERATURE, AFTER ABOUT A SECOND OF THE ENGINE TURNING OFF,A LOUD BEEP OCCURRED AND A MESSAGE POPPED UP SAYING THE SYSTEM HAS SHUT DOWN AND I NEEDED TO SHIFT INTO N OR P AND PRESS THE START BUTTON TO RESTART THE ENGINE. IT ACTUALLY REQUIRED PRESSING THE BUTTON TWICE WHILE THE LOUD BEEP CONTINUED, STUCK IN TRAFFIC. IT WILL DO THIS UP TO 4 TIMES IF IT'S BELOW ABOUT 65 AND THE VEHICLE HAS SAT FOR HOURS OUTSIDE.TO THIS DATE, THE MFG. HAS YET TO DETERMINE THE CAUSE OF THE SHUT DOWN. A DTC WAS NEVER STORED. A CONTINUOUS MIL ILLUMINATION NEVER HAPPENED. IT'S BEEN TO THE DEALER MULTIPLE TIMES. I CALLED KIA TWO DAYS AGO AND THEY SAID THEY WOULD CALL THE DEALER AND...