ANOTHER CHILD HAS DIED AS A RESULT OF HEAT EXPOSURE IN A CLOSED, LOCKED CAR - BAKING IN THE SUN. THIS SITUATION COULD HAVE BEEN PREVENTED IF THE PARENT HADN'T PUT THE CHILD INTO THIS SITUATION. IT COULD ALSO HAVE BEEN PREVENTED IF THE CAR'S TEMPERATURE SENSOR, COUPLED WITH A MICROPHONE, WERE CONNECTED TO A LOGIC UNIT THAT COULD DETECT THE COMBINATION OF INTENSE HEAT, CLOSED DOORS, AND A CHILD'S SCREAMS. THE CAR'S HORN COULD THEN HAVE BEEN SOUNDED, EFFECTIVELY CARRYING THE ALARM OF THE CHILD'S UNHEARD VOICE TO THE OUTSIDE WORLD - A CRY FOR HELP. THE LOGIC COULD BE CODED IN THE FOLLOWING WAY: IF [(DANGEROUS TEMPERATURE LEVEL) AND (CAR NOT RUNNING) AND ((CHILD SCREAMING) OR (DOOR HANDLE PULLED FROM INSIDE))] THENCAUSE CAR HORN TO SOUND; END IF; THE ONLY THING A CAR MANUFACTURER WOULD HAVE TO ADD TO THE CURRENT CONFIGURATION IS A MICROPHONE AND THIS SHORT LOGIC STATEMENT IN THE CAR'S ELECTRONICS.