2020 CADILLAC XT5 Visibilitywiper Problems

DRIVING THE CAR NORMALLY AT NIGHT THE DASHBOARD LIGHTS WENT TO FULL INTENSITY WITHOUT DRIVER INPUT, AND WOULDN'T CHANGE. A FEW MINUTES LATER THE REAR WINDSHIELD WIPER STARTED OPERATING AND WOULDN'T STOP. TWENTY MINUTES LATER THE CAR FLASHED A NOTIFICATION THAT POWER STEERING ASSIST WAS NOT FUNCTIONING, AND IT BECAME VERY DIFFICULT TO STEER. THE TURN SIGNALS WOULD NOT OPERATE. THE LOW FUEL WARNING INDICATOR CAME ON SHOWED ZERO MILES LEFT EVEN THOUGH THERE WAS AT LEAST A QUARTER TANK LEFT. THE SPEEDOMETER READOUT CHANGED TO ZERO, WHILE WE WERE DRIVING AT ABOUT 35 MPH. WE WERE ABLE TO SAFELY STOP THE CAR AT A CONVENIENCE STORE / GAS STATION. THE IGNITION SWITCH WOULDN'T TURN OFF THE ENGINE, THE HEAT CAME ON AND WOULDN'T TURN OFF, THE WINDOWS WOULDN'T ROLL DOWN, AND THE DOORS LOCKED THEMSELVES. THE REAR WINDSHIELD WASHER CONTINUALLY PUMPED OUT FLUID. THE FRONT WINDSHIELD WIPERS STARTED AND...