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2004 Kia Optima

Owner reports · Recalls · Investigations

Similar to other model years

Owner complaints for the 2004 Kia Optima do not stand out strongly from the model-year median of 186.5.

About this comparison →

When problems were reported

Mileage at the reported incident

187 reports with mileage · 38 unknown

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Latches/locks/linkages. Review the 81 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Electrical System. Review the 45 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Structure. Review the 42 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

8 crash reports3 fire reports7 injury reports

What owners actually said

225 reports
135,000 miles · Aug 3, 2012
Electrical SystemLatches/locks/linkages

I OWN A 2004 KIA OPTIMA PURCHASED BRAND NEW. I HAVE BEEN UNABLE TO UNLOCK (OR OPEN) THE DRIVER SIDE DOOR. THE VEHICLE HAS NEVER BEEN IN AN ACCIDENT. THE PROBLEM ACCORDED A FEW WEEKS AGO WHEN I ATTEMPTED TO UNLOCK MY CAR DOOR. ONCE I REMOVED MY KEY AND LIFTED THE HANDLE TO GET IN ALL OF THE DOORS LOCK. I HAD TO ENTER THROUGH THE …

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I OWN A 2004 KIA OPTIMA PURCHASED BRAND NEW. I HAVE BEEN UNABLE TO UNLOCK (OR OPEN) THE DRIVER SIDE DOOR. THE VEHICLE HAS NEVER BEEN IN AN ACCIDENT. THE PROBLEM ACCORDED A FEW WEEKS AGO WHEN I ATTEMPTED TO UNLOCK MY CAR DOOR. ONCE I REMOVED MY KEY AND LIFTED THE HANDLE TO GET IN ALL OF THE DOORS LOCK. I HAD TO ENTER THROUGH THE PASSENGER SIDE DOOR. THE DRIVERS SIDE DOOR WILL ALSO NOT OPEN FROM THE INSIDE. THIS IS A SAFETY HAZARD AS IF I GET INTO A CAR ACCIDENT I WILL BE TRAPPED INSIDE AND COULD DIE!! I AM NOT THE ONLY PERSON WITH THIS ISSUE FOR THIS MAKE AND MODEL. AND IT APPEARS THAT THE 2003 MODEL HAS THE SAME ISSUE. AS YOU CAN SEE FROM THE FOLLOWING WEBSITES: HTTP://VLANE.COM/DISCUSS-TOPIC/989/MY-DRIVERS-DOOR-IS-LOCKED-WILL-NOT-UNLOCK, AS WELL AS WWW.FIXYA.COM/CARS/+866401-DRIVERS_DOOR_WILL_NOT_UNLOCK THIS IS NOT AN ISOLATED INCIDENT. THIS IS CLEARLY A DEFECT THAT NEEDS TO BE ADDRESSED. PLEASE ISSUE A RECALL AS I FEAR FOR MY FAMILY'S SAFETY. *TR

NHTSA ODI #10469126

77,000 miles · Jul 30, 2012
Electrical SystemUnknown Or Other

THE DRIVER'S SIDE DOOR WILL NOT UNLOCK FROM EITHER THE INSIDE OR OUTSIDE. THE KEY WON'T WORK. I HAD TO CRAWL OVER THE PASSENGER SEAT RISKING POTENTIAL INJURY . THIS IS A SAFETY ISSUE. I NOTIFIED THE DEALER WHO SAID BASICALLY THAT IT WASN'T HIS DEALERSHIP'S PROBLEM AND TO CALL KIA CONSUMER NUMBER. I DID CALL AND HE ALSO SAID BA…

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THE DRIVER'S SIDE DOOR WILL NOT UNLOCK FROM EITHER THE INSIDE OR OUTSIDE. THE KEY WON'T WORK. I HAD TO CRAWL OVER THE PASSENGER SEAT RISKING POTENTIAL INJURY . THIS IS A SAFETY ISSUE. I NOTIFIED THE DEALER WHO SAID BASICALLY THAT IT WASN'T HIS DEALERSHIP'S PROBLEM AND TO CALL KIA CONSUMER NUMBER. I DID CALL AND HE ALSO SAID BASICALLY THAT IT IS NOT KIA'S PROBLEM, IT IS NOT A SAFETY ISSUE, AND TOO BAD FOR YOU. THERE ARE MANY DOCUMENTED INSTANCES OF THIS DOOR LATCH FAILING. IT IS A SAFETY ISSUE DESPITE WHAT THE CONSUMER REP SAID AT KIA. $50.00 DIAGNOSIS COST PLUS , WHEN THE PART FINALLY COMES IN, ANOTHER $230.00 DOLLARS. IT IS UNACCEPTABLE FOR KIA TO IGNORE THIS SAFETY ISSUE. *TR

NHTSA ODI #10468278

71,634 miles · Jul 10, 2012
Latches/locks/linkages

TL* THE CONTACT OWNS A 2004 KIA OPTIMA. THE CONTACT STATED THE DRIVERS SIDE FRONT DOOR FAILED TO OPEN FROM BOTH THE OUTSIDE AND INSIDE OF THE VEHICLE. THE VEHICLE WAS TAKEN TO A PRIVATE MECHANIC WHO CONFIRMED THE DOOR LATCH NEEDED TO BE REPLACED. THE MANUFACTURER WAS NOT CONTACTED REGARDING THE DEFECT. THE VEHICLE WAS NOT REPAIR…

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TL* THE CONTACT OWNS A 2004 KIA OPTIMA. THE CONTACT STATED THE DRIVERS SIDE FRONT DOOR FAILED TO OPEN FROM BOTH THE OUTSIDE AND INSIDE OF THE VEHICLE. THE VEHICLE WAS TAKEN TO A PRIVATE MECHANIC WHO CONFIRMED THE DOOR LATCH NEEDED TO BE REPLACED. THE MANUFACTURER WAS NOT CONTACTED REGARDING THE DEFECT. THE VEHICLE WAS NOT REPAIRED. THE FAILURE AND CURRENT MILEAGES WAS 71,634.

NHTSA ODI #10465058

80,000 miles · Jul 3, 2012
Latches/locks/linkages

TL* THE CONTACT OWNS A 2004 KIA OPTIMA. THE CONTACT STATED THAT THE DOOR LOCKS FAILED. THE CONTACT STATED THAT HE TRIED TO ENTER THE VEHICLE WITH THE AUTOMATIC KEY FOB BUT THE DOORS WOULD NOT UNLOCK. THE CONTACT WAS ABLE TO UNLOCK THE VEHICLE BY MANUALLY TURNING THE KEY ABRUPTLY AND PULLING THE DOOR HANDLE. THE CONTACT HAD PREVI…

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TL* THE CONTACT OWNS A 2004 KIA OPTIMA. THE CONTACT STATED THAT THE DOOR LOCKS FAILED. THE CONTACT STATED THAT HE TRIED TO ENTER THE VEHICLE WITH THE AUTOMATIC KEY FOB BUT THE DOORS WOULD NOT UNLOCK. THE CONTACT WAS ABLE TO UNLOCK THE VEHICLE BY MANUALLY TURNING THE KEY ABRUPTLY AND PULLING THE DOOR HANDLE. THE CONTACT HAD PREVIOUSLY BEEN LOCKED INSIDE THE VEHICLE AS A RESULT OF THE FAILURE. HE WAS ABLE TO EXIT THE VEHICLE BY CONSTANTLY DEPRESSING THE AUTOMATED KEY FOB UNTIL THE DOOR LOCKS RESPONDED. THE VEHICLE WAS NOT TAKEN TO THE DEALER. THE MANUFACTURER WAS NOT NOTIFIED OF THE ISSUE. THE FAILURE MILEAGE WAS 80,000.

NHTSA ODI #10464071

71,000 miles · May 18, 2012
Electrical SystemPower Train

I HAVE BEEN TAKING MY CAR TO KIA OF ORANGE PARK IN JACKSONVILLE, FLORIDA FOR THE PAST SEVERAL MONTHS BECAUSE OF ISSUES WITH STALLING AND HESTITATION AT START AND THE CAR HAS STOPPED ON MY WHILE IN GEAR WITH MY FOOT ON THE BRAKE (THREE OR FOUR TIMES). EACH AND EVERY TIME I TAKE IT TO THE DEALERSHIP THEY SEEM TO SAY THE VEHICLE W…

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I HAVE BEEN TAKING MY CAR TO KIA OF ORANGE PARK IN JACKSONVILLE, FLORIDA FOR THE PAST SEVERAL MONTHS BECAUSE OF ISSUES WITH STALLING AND HESTITATION AT START AND THE CAR HAS STOPPED ON MY WHILE IN GEAR WITH MY FOOT ON THE BRAKE (THREE OR FOUR TIMES). EACH AND EVERY TIME I TAKE IT TO THE DEALERSHIP THEY SEEM TO SAY THE VEHICLE WILL NOT DUPLICATE THE CONCERNS I AM HAVING. I HAVE BEEN AFRAID TO GO A LONG DISTANCE WITH THE CAR BECAUSE OF THESE ISSUES. I RECENTLY SWITCHED TO SOUTHSIDE KIA IN JACKSONVILLE, FLORIDA AND THEY CONVINCED ME THE CAR WAS FIXED AFTER REPLACING SPARKS PLUS, FUEL PUMP, GAS TANK VALVE, AND ON ONE OCASSION THEY FOUND THE TPS SENSOR LOOSE FROM THE PREVIOUS KIA DEALERSHIP DOING A THROTTLE BODY SERVICE. I AM VERY DISSATISFIED WITH KIA RIGHT ABOUT NOW AND HAVE NOT BEEN ABLE TO GET ANY HELP. *TR

NHTSA ODI #10458921

120,000 miles · May 18, 2012
Latches/locks/linkages

THE DRIVER'S SIDE WILL LOCK YOU IN THE VEHICLE AND WON'T LET YOU OUT. YOU CAN BE DRIVING WITH THE DOORS UNLOCKED AND IT WILL LOCK ITSELF WHILE IN MOTION OR YOU MAYBE READY TO LEAVE A LOCATION AND CAN'T GET BACK IN THE CAR. I HAVE HAD SEVERAL PROBLEMS WITHIN THE LAST WEEK OF BEING TRAPPED IN MY CAR AND SOMETIMES I CAN'T GET THE L…

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THE DRIVER'S SIDE WILL LOCK YOU IN THE VEHICLE AND WON'T LET YOU OUT. YOU CAN BE DRIVING WITH THE DOORS UNLOCKED AND IT WILL LOCK ITSELF WHILE IN MOTION OR YOU MAYBE READY TO LEAVE A LOCATION AND CAN'T GET BACK IN THE CAR. I HAVE HAD SEVERAL PROBLEMS WITHIN THE LAST WEEK OF BEING TRAPPED IN MY CAR AND SOMETIMES I CAN'T GET THE LOCKS TO LET ME OUT ON THE PASSENGER SIDE EITHER. THIS HAS BEEN A SCARY SITUATION AND I HOPE IT DOESN'T CAUSE SOMEONE TO BE HURT OR KILLED. *TR

NHTSA ODI #10458917

Mileage unknown · May 16, 2012
Electrical SystemStructureUnknown Or Other

DRIVERS SIDE DOOR WILL NOT OPEN WITH THE POWER LOCK OR BY KEY, I HAVE BEEN GETTING IN AND OUT OF MY CAR BY USING THE PASSENGER FRONT DOOR. MY HUSBAND FOUND A WAY TO UNLOCK MY DRIVER SIDE DOOR, NOW I CAN NOT LOCK MY CAR AGAIN.

NHTSA ODI #10458697

12,000 miles · May 3, 2012
Air BagsSeat Belts

WE HAVE HAD THE AIRBAG LIGHT COME ON FOR THE PAST 3 YEARS ALWAYS JUST BEFORE THE STATE INSPECTION IS DUE EVERY TIME WE GET IT FIXED THEY SAID ITS A SWITCH OR A CONNECTOR. BUT THIS YEAR WAS THE WORST ,LIGHT CAME ON IN APRIL, THIS TIME THEY SAID IT'S THE AIRBAG WIRE HARNESS AND WOULD COST OVER 1500.00 . WE GOT KIA TO PAY FOR THE…

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WE HAVE HAD THE AIRBAG LIGHT COME ON FOR THE PAST 3 YEARS ALWAYS JUST BEFORE THE STATE INSPECTION IS DUE EVERY TIME WE GET IT FIXED THEY SAID ITS A SWITCH OR A CONNECTOR. BUT THIS YEAR WAS THE WORST ,LIGHT CAME ON IN APRIL, THIS TIME THEY SAID IT'S THE AIRBAG WIRE HARNESS AND WOULD COST OVER 1500.00 . WE GOT KIA TO PAY FOR THE PART,AND WE WOULD COVER THE LABOR. I'M JUST WORRIED WILL THIS HAPPEN AGAIN. IT SHOULD BE INVESTIGATED FURTHER. *TR

NHTSA ODI #10457234

70,000 miles · Apr 26, 2012
Latches/locks/linkages

DRIVER SIDE DOOR AUTOMATICALLY LOCKS AND WILL NOT UNLOCK FROM OUTSIDE WITH THE KEY OR FROM THE INSIDE UNLOCK LEVER. DRIVER IS TRAPPED INSIDE CAR AND MUST EXIT BY CRAWLING OVER CONSOLE TO PASSENGER SIDE DOOR. THIS HAPPENS SPORADICALLY AND IS A SERIOUS SAFETY HAZARD. IT RENDERS THE CAR UNABLE TO BE LOCKED AT ALL. THERE SEEM TO…

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DRIVER SIDE DOOR AUTOMATICALLY LOCKS AND WILL NOT UNLOCK FROM OUTSIDE WITH THE KEY OR FROM THE INSIDE UNLOCK LEVER. DRIVER IS TRAPPED INSIDE CAR AND MUST EXIT BY CRAWLING OVER CONSOLE TO PASSENGER SIDE DOOR. THIS HAPPENS SPORADICALLY AND IS A SERIOUS SAFETY HAZARD. IT RENDERS THE CAR UNABLE TO BE LOCKED AT ALL. THERE SEEM TO BE PLENTY OF OTHERS EXPERIENCING THIS SAME PROBLEM, YET NO RECALL FROM KIA. *TR

NHTSA ODI #10456534

Mileage unknown · Mar 18, 2012
Latches/locks/linkages

THE DRIVER SIDE DOOR ON MY CAR WILL NOT UNLOCK!!!!!!!!!!!!!!!!!!!!!!!!!!!! I HAVE BEEN PUTTING UP WITH THIS FOR 4 TO 6 MONTHS NOW. AND GETTING REALLY UPSET PLEASE TELL ME IF THIS IS CONSIDERED A SAFETLY HAZARD AND THIS IS COVERED I REALLY DON'T THINK I SHOULD HAVE TO PAY FOR THIS PROBLEM TO BE FIXED!!!!!!!!!!!!!!!!!!!!!!!!!!!!!…

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THE DRIVER SIDE DOOR ON MY CAR WILL NOT UNLOCK!!!!!!!!!!!!!!!!!!!!!!!!!!!! I HAVE BEEN PUTTING UP WITH THIS FOR 4 TO 6 MONTHS NOW. AND GETTING REALLY UPSET PLEASE TELL ME IF THIS IS CONSIDERED A SAFETLY HAZARD AND THIS IS COVERED I REALLY DON'T THINK I SHOULD HAVE TO PAY FOR THIS PROBLEM TO BE FIXED!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! THE ONLY WAY I HAVE BEEN ABLE TO GET IT TO UNLOCK IS FOR ME TO CRAWL OUT OF THE PASSANGER SIDE. THEN PLAY WITH THE LOCK WITH THEY KEY FOR A FEW DAYS TO HAVE IT UNLOCK. *TR

NHTSA ODI #10452145

Official recalls

1

09V183000 · Suspension:front

May 27, 2009

KIA MOTORS CORPORATION (KMC) IS RECALLING 36,538 MODEL YEAR 2001-2004 OPTIMA VEHICLES ORIGINALLY SOLD IN OR CURRENTLY REGISTERED IN THE STATES OF CONNECTICUT, DELAWARE, ILLINOIS, INDIANA, IOWA, MAINE, MARYLAND, MASSACHUSETTS, MICHIGAN, MINNESOTA, MISSOURI, NEW HAMPSHIRE, NEW JERSEY, NEW YORK, OHIO, PENNSYLVANIA, RHODE ISLAND, VERMONT, WEST VIRGINIA, WISCONSIN, AND THE DISTRICT OF COLUMBIA. ROAD SALT APPLIED IN THESE STATES DURING THE WINTER MONTHS MAY RESULT IN PROGRESSIVE, INTERNAL CORROSION OF THE FRONT SUBFRAME. OVER TIME, SUCH SUBFRAME CORROSION NEAR THE CONNECTION TO THE LOWER CONTROL ARM CAN LEAD TO WHEEL MISALIGNMENT AND/OR OTHER NOTICEABLE STRESS IN STEERING, OR ACCELERATED ABNORMAL TIRE WEAR.

Consequence & remedy

Consequence: CORROSION OF THE FRONT SUBFRAME COULD LEAD TO SEPARATION, POSSIBLY RESULTING IN A VEHICLE CRASH.

Remedy: KMC WILL NOTIFY OWNERS AND DEALERS WILL REPAIR THE VEHICLES FREE OF CHARGE. THE SAFETY RECALL BEGAN ON JUNE 15, 2009. OWNERS MAY CONTACT KIA'S CONSUMER ASSISTANCE CENTER AT 1-800-333-4542.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

0

No exact-year investigations in this snapshot.