THE POWER (PROPULSION) SYSTEM HAS DISAPPEARED FROM SCREEN WHILE DRIVING SWITCHING TO FUEL ONLY. SCREEN GOES BLANK AND ALL ELECTRIC MILES DISAPPEAR. NOTE THIS HAS HAPPENED FOUR TIMES IN THE LAST FEW MONTHS, SENDING SEVERAL ERROR CODES EACH TIME AND THE DEALER KEEPS IT FOR A WEEK OR MORE TO RESET ENGINE AND BATTERY ICON. CORPORATE OFFICE TECH'S HAVING PROBLEMS WITH ANSWERS, TOOK MY CONTROLS AND BATTERY BACK FOR TESTING AND REPLACED WITH NEW ONES. STILL HAVING THE SAME PROBLEM. *TR