WHILE DRIVING ON HIGHWAY AT HIGH SPEED (55MPH), ENTIRE POWERTRAIN (GAS ENGINE AND HYBRID MOTOR) COMPLETELY SHUTDOWN WITH NO WARNING LEADING TO AN ABRUPT LOSS OF POWER AND CONTROL OF THE VEHICLE, AND WAS UNABLE TO COMPLETELY PULL OFF THE ROAD SAFELY. THE DASHBOARD INFORMATION CENTER JUST DISPLAYED "STOP SAFELY NOW." THERE WAS NO WARNING OF THIS AT ALL. VEHICLE WOULD NOT RESTART. AFTER SITTING FOR ONE HOUR, VEHICLE RESTARTED AND DROVE PERFECTLY FOR ANOTHER 3 DAYS, THEN THE SAME THING HAPPENED AGAIN ON LOCAL STREETS, LEAVING THE CAR IN A VERY DANGEROUS POSITION IN THE MIDDLE OF THE STREET. BROUGHT INTO SHOP AND THEY COULD NOT FIND ANYTHING WRONG WITH IT. I AM ALMOST AFRAID TO DRIVE THIS VEHICLE ANYMORE. *TR