Problems · by component
2005 Kia Optima electrical system problems
29 owner complaints to NHTSA about the 2005 Kia Optima cite electrical system, 20% of all 144 complaints for this model year.
Complaints
29
20% of all complaints
Crashes
0
Reported by owners
Fires
1
Reported by owners
Injuries
1
Reported by owners
What owners say about the electrical system
Verbatim from NHTSA complaints, newest first
“AFTER REPAIRING THE MASS AIR FLOW HOSE,PURGE VALVE,AND THE VALVE COVER GASKET. IT DIDN'T PASS THE STATE INSPECTION. I WAS TOLD TO DRIVE IT A LITTLE LONGER TO PUT MILES ON THE CAR. SO I DID.. AFTER SEVEN WEEK GOING BACK TO HAVE IT CHECK IT WAS STILL SHOWING NOT READY. THE MERCHANIC THERE COULDN'T TELL ME WHAT THE PROBLEM AND THEIR SUBJESTED TO TAKE IT TO THE DEALER AFTER PUTTING 1175 MILES ON MY CAR”
“I AM A DISABLED WOMAN WHO BECAME TRAPPED IN HER OWN CAR BECAUSE THE LOCK MECHANISM ON THE DOOR WOULD NOT OPEN NOR COULD I ROLL DOWN THE WINDOW. THIS IS UNACCEPTABLE. I TRIED TO CLIMB OVER THE GEARSHIFT TO TRY THE PASSENGER DOOR AND HURT MY BACK IN THE PROCESS. I CALLED 911 FOR HELP”
“CLOSED DRIVER'S DOOR AND DOOR WOULD NOT REOPEN. I TOOK CAR TO AUTO SHOP AND MECHANIC FINALLY GOT DOOR TO OPEN AFTER ABOUT AN HOUR AND A HALF. HE THOUGHT HE HAD REPAIRED THE DOOR AND CLOSED IT, BUT WHEN HE TRIED TO OPEN THE DOOR FOR FINAL INSPECTION, AGAIN IT WOULD NOT OPEN NORMALLY AND UPON FURTHER INSPECTION HE FOUND THE DOOR LOCK MECHANISMS WERE NOT FUNCTIONING CORRECTLY FROM THE WAY THEY HAD BEEN MANUFACTURED. AND THERE WAS A RECALL ON THE KIA DOOR LOCK MECHANISMS INCLUDING MY CAR'S YEAR, MAKE AND MODEL. I AM CONCERNED THIS IS A SERIOUS HAZARD, ESPECIALLY SINCE I TRANSPORT SMALL CHILDREN, SOME IN CAR SEATS. MY CAR IS AN OLDER CAR AND I WOULD LIKE ALL FOUR LOCKS REPLACED WITH 'UP TO STANDARD' LOCKS.”
“AIRBAG LIGHT CAME ON FOR NO REASON AND WILL NOT GO OFF. THE DRIVER SEAT AND SUNROOF HAVE AN ELECTRICAL ISSUE WHERE THEY WORK THEN DON'T, FOUND THAT THE SWITCHES ARE BAD AND WORK SOMETIMES.”
“LOCKED CAR AFTER BUYING IT USED DRIVERS DOOR WILL NOT UNLOCK. MULTIPLE COMPLAINTS ONLINE ABOUT THIS PROBLEM. MY DAUGHTER WAS GOING TO DRIVE THIS THING. KIA DEALER DID NOT EVEN MENTION THIS TO ME, BUT DID SAY IT WAS 200 MINIMUM. I HOPE THIS GETS INVESTIGATED. IN AN ACCIDENT THE DOOR WILL NEVER OPEN. I DROVE THE CAR HOME AND AFTER 2 HOURS IT WILL NOT UNLOCK.”
“TL* THE CONTACT OWNS A 2005 KIA OPTIMA. WHILE IN PARK, THE AUTOMATIC DOOR LOCKS FAILED. THE CONTACT ATTEMPTED TO USE THE REMOTE FOR ENTRY AND HEARD A CLICKING NOISE. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 128,000.”
Showing 6 of 29 reports. Read every report on NHTSA.gov.
Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 11, 2026NHTSA vehicle page
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.