TL* THE CONTACT OWNS A 2018 JEEP GRAND CHEROKEE. THE CONTACT STATED THAT THE RADIO/INFOTAINMENT SYSTEM CONTROLLED SEVERAL FUNCTIONS IN THE VEHICLE, INCLUDING HEATING AND AIR. THE CONTACT STATED THAT ON SEVERAL OCCASIONS, THE INFOTAINMENT SYSTEM OVERHEATED AND CAUSED SEVERAL OF THE ELECTRICAL FUNCTIONS TO BECOME INOPERABLE. ALSO, ON OCCASION, THE HEAT OR AIR WOULD ACTIVATE INDEPENDENTLY AND COULD NOT BE TURNED OFF. THE CONTACT STATED THAT THE RADIO WOULD THEN ATTEMPT TO REBOOT UNTIL THE BATTERY DISCHARGED. THE VEHICLE WAS TAKEN TO GARDEN CITY JEEP (283 N FRANKLIN ST, HEMPSTEAD, NY 11550, (516) 336-4712) TO BE DIAGNOSED AND THE DEALER WAS ABLE TO DUPLICATE THE FAILURE. THE INFOTAINMENT SYSTEM WAS REPLACED; HOWEVER, THE FAILURE RECURRED. THE VEHICLE WAS ALSO TAKEN TO EAST HILLS JEEP AND BAYSIDE JEEP IN NEW YORK FOR ADDITIONAL INQUIRIES. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE CONTACT WAS INFORMED THAT THE INFOTAINMENT SYSTEM WAS SAFE TO OPERATE AT 80 DEGREES; HOWEVER, THE TEMPERATURE OF THE INFOTAINMENT SYSTEM SHOWED AT OVER 100 DEGREES DURING OPERATION. THE APPROXIMATE FAILURE MILEAGE WAS 16.