NHTSA Complaint #11193170 — 2014 CHEVROLET IMPALA

MY CAR WAS EXPERIENCING INTERMITTENT ISSUES WITH THE SIDE BLIND SPOT MONITORING SYSTEM WHEN MY CAR'S DASH STOPPED WORKING WHILE TRAVELING ON THE HIGHWAY AT 55 MPH.. I HAD SEVERAL SERVICE SYSTEM ERRORS` `FOR `SIDE BLIND SPOT, FRONT CAMERA, TIRE PRESSURE MONITOR ETC BUT MOST CONCERNING IS THAT THE DIRECTIONAL WOULD NOT FUNCTION, THE GAS, SPEEDOMETER, AND THE TACHOMETER DID NOT FUNCTION. IT WAS DUSK AND IT APPEARED THE AUTOMATIC LIGHTING CONTROL STOPPED WORKING AS WELL. I STOPPED SAFELY AND TURNED OFF MY CAR AND TRIED TO RESTART THE CAR AND THE PUSH BUTTON START WOULD NOT WORK. I WAS ABLE TO RESTART THE CAR BY PUTTING THE KEY FOB IN THE FACTORY POCKET DESIGNED TO START THE CAR WITH A KEY FOB WITH A LOW BATTERY. I WAS ABLE TO GET MY CAR INTO THE CHEVROLET DEALERSHIP AND THEY CONFIRMED THAT THE SIDE BLIND SPOT MODULES WERE BAD. THEY DISCONNECTED THE MODULES AND MY CAR'S DASH FUNCTION RETURNED WITH JUST A WARNING TO SERVICE THE SIDE BLIND SPOT SYSTEM THE DEALERSHIP PROVIDED ME A COPY OF A GM SERVICE BULLETIN #17-NA-154 SERVICE SIDE OBJECT DETECTION MESSAGE STATING TO REPLACE BOTH MODULES AND THE WIRING HARNESS NEED TO BE REPLACED FOR $1,638.91. I HAD ALREADY REPLACED ONE MODULE 13 MONTHS EARLIER FOR $720. THIS FAILURE MODE IS UNACCEPTABLE LEAVING THE CAR IN A DANGEROUS STATE WITHOUT DIRECTIONALS, IMPORTANT GAGES LIKE SPEEDOMETER AND FUEL , AND POSSIBLY NO AUTOMATIC LIGHTING CONTROLS. THE DESIGNED FAILURE MODE SHOULD BE SOLELY A SERVICE BLIND SPOT MONITORING SYSTEM LEAVING ALL OTHER SYSTEMS OPERATIONAL. CURRENTLY I AM TOLD THAT ALL PARTS REQUIRED TO FIX MY CAR ARE UNAVAILABLE. AN ADVANCED SAFETY SYSTEM THAT IS DANGEROUS WHEN IT FAILS IS NEITHER ADVANCED OR SAFE.