FAULTY SYSTEM CAUSE ANTI-THEFT MECHANISM TO ACTIVATE INTERMITTENTLY DURING A NORMAL START ATTEMPT. THE VEHICLE'S MESSAGE INDICATOR WILL FLASH SECURITY/BATTERY/SERVICE VEHICLE SOON DESPITE HAVING A NEW BATTERY AND A WELL MAINTAINED CAR WITH A CLEAN HISTORY. THE MESSAGES ALWAYS FLASH TOGETHER IN A CYCLE, AND IS ALWAYS ACCOMPANIED BY THE SYMPTOMS BELOW: DURING THE ABOVE CONDITION, THE VEHICLE WILL NEITHER CRANK NOR START, OR THE VEHICLE WILL START, WITH THE ABOVE INDICATORS, AND THE RADIO WILL LOCK AS WELL AS THE DISABLING OF THE AIR CONDITIONER, HEAT AND ABILITY TO DEFOG/FROST. THIS CREATES A DANGEROUS DRIVING CONDITION WHEREBY THE WINDOWS FOG DRAMATICALLY, COMPLETELY OBSTRUCTING MY VIEW. THE DEFECT HAS ALSO CREATED A DANGEROUS SITUATION FOR ME IN CASES WHERE I'VE HAD TO TURN OFF THE CAR ON THE SHOULDER OF A HIGHWAY AND HAVE BEEN UNABLE TO RESTART IT, AND IN ONE INSTANCE WAS SUBSEQUENTLY GRAZED ON MY ARM BY A PASSING CAR AFTER I EXITED MY VEHICLE. SEVERAL MECHANICS HAVE LINKED IT TO EITHER A FAULTY PASSLOCK SENSOR, FAULTY BCM OR BAD WIRING, ALL OF WHICH I WAS TOLD SHOULD LAST AT LEAST THE LIFE OF THE ENGINE, AS IT IS NOT INCLUDED IN THE MAINTENANCE SCHEDULE. THE CAR HAS NOT BEEN MODIFIED FROM IT'S ORIGINAL ASSEMBLY AND HAS NEVER BEEN IN AN ACCIDENT OR OTHER DAMAGING CIRCUMSTANCE. THE VEHICLE HAS ALSO FOLLOWED ITS MAINTENANCE SCHEDULE TO A T. THE PROBLEM HAS GOTTEN PROGRESSIVELY WORSE AND MORE FREQUENT (SEVERAL TIMES DAILY AS OF 9 MONTHS AGO) SINCE THE INITIAL DATE OF INCIDENCE