NHTSA Complaint #11222226 — 2018 KIA NIRO

I WAS DRIVING ON THE FREEWAY. AFTER SLOWED DOWN AND STOPPED COMPLETELY, SUDDENLY IT LOSE POWER TO RUN. TRYING TO STEP DEEPER THE GAS PEDAL, BUT NO REACTION AT ALL. AFTER TURN OFF AND TURN ON ENGINE FEW TIMES, IT CAN RUN AGAIN, BUT THIS TIME, THE REAL PROBLEM OCCUR. THE ENGINE SOUNDS SO LOUD..IT'S HYBRID CAR SUPPOSED TO SO QUIET (THAT'S WHAT SOUNDS USUALLY). LATER ON, I FOUND OUT HOW TO STILL CAN DROVE IT, BUT WITH HIGH RISK SUDDENLY LOSE POWER ON THE STREET. LATER FOUND OUT, WHEN THE CAR IN MOTION, THE HYBRID SYSTEM DIDN'T WORKED COMPLETELY, AND THE TRANSMISSION SOUND VERY ROUGH. EVERY TIME WHEN COME TO BRAKE OR WANT TO SLOW DOWN, CAN FEELS OBVIOUSLY AND HEARD THE TRANSMISSION IS VERY ROUGH MAKING CLUTCH LOUD SOUNDS. THE CRUISE CONTROL SYSTEM ALSO TOTALLY NOT FUNCTION. WHEN IN STATIONARY, VERY FIRST WHEN STARTED THE ENGINE, MADE LOUD SOUNDS ON THE ENGINE, AND CAN'T REVERSED OR MOVE FORWARD, JUST STAYED IN PLACE. THE DASHBOARD DISPLAY "CHECK HYBRID SYSTEM". AND ON THE MIDDLE SCREEN DISPLAYING, "LOW VOLTAGE DC / DC CONVERTER".