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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.

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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
98,000 miles · Jul 25, 2010
Latches/locks/linkages

THE DRIVER'S SIDE DOOR OF MY 2004 KIA OPTIMA LOCKS BACK EVERYTIME I UNLOCK IT AND TRY TO GET OUT . THIS IS AN ISSUE FOR ME AND A SAFETY DEFECT AND I AM AFRAID OF NOT BEING ABLE TO GET OUT OF MY CAR. ALL OF A SUDDEN ONE DAY I STOPPED AT THE SERVICE STATION TO GET GAS AND TRIED TO OPEN THE DOOR AS FAST AS IT UNLOCK IT WOULD LOCK B…

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THE DRIVER'S SIDE DOOR OF MY 2004 KIA OPTIMA LOCKS BACK EVERYTIME I UNLOCK IT AND TRY TO GET OUT . THIS IS AN ISSUE FOR ME AND A SAFETY DEFECT AND I AM AFRAID OF NOT BEING ABLE TO GET OUT OF MY CAR. ALL OF A SUDDEN ONE DAY I STOPPED AT THE SERVICE STATION TO GET GAS AND TRIED TO OPEN THE DOOR AS FAST AS IT UNLOCK IT WOULD LOCK BACK TRAPPING ME INSIDE THE VEHICLE I HAD TO BEG SOMEONE TO HELP ME OUT ON THE PASSENGER SIDE. I HAVE RESEARCHED THE INTERNET AS THERE ARE OTHER CONSUMERS JUST LIKE MYSELF HAVING THE SAME PROBLEM AND WE ARE ASKING KIA TO DO A RECALL ON THIS PROBLEM BECAUSE WE BELIEVE IT TO BE A MALFUNCTION WITHIN THE DOOR ITSELF. I TRIED TO OVERRIDE IT BY TURNING THE KEY AND PULLING THE LATCH AT THE SAME TIME UNTIL I GOT IT TO UNLOCK AND I LEFT IT UNLOCK AND THEN RIDING IN THE CAR ON THE NEXT DAY IT AUTOMATICALLY LOCKED AND I FREAKED OUT THANK GOD MY HUSBAND WAS THERE BECAUSE I HAD TO PULL OVER AND GET OUT OF THE CAR AND THIS IS THE THIRD DAY AND IT WON'T OPEN. I CANNOT STAND THE FEELING OF BEING CLOSED IN. I CANNOT AFFORD TO GET IT FIXED AND I NEED TO BE ABLE TO USE MY CAR PLEASE INVESTIGATE AND SEE IF IT SHOULD BE A RECALL ISSUE. THANK YOU *TR

NHTSA ODI #10345200

48,015 miles · Jun 28, 2010
Latches/locks/linkages

TL* THE CONTACT OWNS A 2004 KIA OPTIMA. THE CONTACT STATED THE FRONT DRIVER SIDE DOOR WAS PERMANENTLY LOCKED AND COULD NOT BE OPENED FROM THE INSIDE OR OUTSIDE OF THE VEHICLE. THE CONTACT WOULD HAVE TO ENTER THE VEHICLE FROM THE FRONT, PASSENGER SIDE DOOR AND CRAWL OVER THE MIDDLE CONSOLE TO GET INTO THE DRIVER'S SEAT. THE VEH…

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TL* THE CONTACT OWNS A 2004 KIA OPTIMA. THE CONTACT STATED THE FRONT DRIVER SIDE DOOR WAS PERMANENTLY LOCKED AND COULD NOT BE OPENED FROM THE INSIDE OR OUTSIDE OF THE VEHICLE. THE CONTACT WOULD HAVE TO ENTER THE VEHICLE FROM THE FRONT, PASSENGER SIDE DOOR AND CRAWL OVER THE MIDDLE CONSOLE TO GET INTO THE DRIVER'S SEAT. THE VEHICLE WAS TAKEN TO A LOCAL REPAIR FACILITY WHERE HE WAS ADVISED THAT THE FAILURE WAS MECHANICAL. THE MANUFACTURER WOULD NOT PROVIDE ANY ASSISTANCE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE AND CURRENT MILEAGES WERE 48,015. UPDATED 10/27/10. *LJ

NHTSA ODI #10340388

140,000 miles · Jun 23, 2010
Latches/locks/linkages

2004 KIA OPTIMA 140,000 MILES. THIS FAILURE HAPPENED WITHOUT WARNING. I FIRST NOTICED WHEN I TRIED TO UNLOCK THE DRIVER'S SIDE DOOR. THE KEY WAS HARD TO TURN AND THE UNLOCK BUTTON MOVED SLIGHTLY. UPON PULLING THE HANDLE TO OPEN THE DOOR THE LOCK AUTOMATICALLY MOVED TO THE LOCKED POSITION AND THE DOOR WOULD NOT OPEN. THIS HA…

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2004 KIA OPTIMA 140,000 MILES. THIS FAILURE HAPPENED WITHOUT WARNING. I FIRST NOTICED WHEN I TRIED TO UNLOCK THE DRIVER'S SIDE DOOR. THE KEY WAS HARD TO TURN AND THE UNLOCK BUTTON MOVED SLIGHTLY. UPON PULLING THE HANDLE TO OPEN THE DOOR THE LOCK AUTOMATICALLY MOVED TO THE LOCKED POSITION AND THE DOOR WOULD NOT OPEN. THIS HAPPENED REPEATEDLY. FROM INSIDE THE CAR, IF YOU MANUALLY LOCK THE CAR OR IF THE AUTOMATIC LOCKS ENGAGE WHILE DRIVING YOU CAN NOT OPEN THE DRIVER'S SIDE DOOR BY ANY MEANS. THE LOCKING MECHANISM FAILURE CAUSES 3 SERIOUS SAFETY ISSUES. 1) PREVENTS THE OPERATOR FROM ENTERING THE VEHICLE IN AN EMERGENCY SITUATION 2) THE DRIVER CAN NOT LOCK THE DOOR FOR PERSONAL SECURITY WHILE OPERATING THE VEHICLE BECAUSE THIS WILL PERMANENTLY LOCK THE OCCUPANT INSIDE. 3) THE POTENTIAL THAT AN OCCUPANT WOULD BE LOCKED INSIDE THE VEHICLE DURING AN EMERGENCY AND PREVENTED FROM ESCAPING THE VEHICLE. FROM THE NUMBER OF COMPLAINTS ABOUT THIS FOR KIA VEHICLES THIS WILL EVENTUALLY LEAD TO A SERIOUS INJURY OR A FATALITY IF THIS ISSUE IS NOT ESCALATED TO A FULL RECALL OF THE LOCKING MECHANISM. THIS SHOULD BE AN IMMEDIATE RECALL FOR MODELS INCLUDING BUT NOT LIMITED TO 2001-2005. *TR

NHTSA ODI #10339792

94,000 miles · Jun 16, 2010
Latches/locks/linkages

DRIVER DOOR WILL NOT UNLOCK WITH THE KEY, USING THE INSIDE HANDLE OR ELECTRIC LOCK CONTROL. THE DOOR CONSTANTLY RELOCKS WHEN YOU TRY TO UNLOCK WITH THE KEY OR THE TOGGLE LEVER INSIDE THE CAR. IT WILL NOT OPEN IN CASE OF AN ACCIDENT. EVEN TRIED TO DISABLE THE ELECTRIC LOCK BY REMOVING THE FUSE. THE ELECTRIC DOORS DID NOT WOR…

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DRIVER DOOR WILL NOT UNLOCK WITH THE KEY, USING THE INSIDE HANDLE OR ELECTRIC LOCK CONTROL. THE DOOR CONSTANTLY RELOCKS WHEN YOU TRY TO UNLOCK WITH THE KEY OR THE TOGGLE LEVER INSIDE THE CAR. IT WILL NOT OPEN IN CASE OF AN ACCIDENT. EVEN TRIED TO DISABLE THE ELECTRIC LOCK BY REMOVING THE FUSE. THE ELECTRIC DOORS DID NOT WORK BUT THE DOOR DID RELOCK WHEN I TRIED TO OPEN WITH A KEY (MUST BE ON ANOTHER CIRCUIT - MAYBE SECURITY). LARGE NUMBER OF IDENTICAL COMPLAINTS ON THE INTERNET. THIS IS A SAFETY ISSUE. *TR

NHTSA ODI #10336717

82 miles · Jun 13, 2010
Latches/locks/linkages

THE DOOR LOCK TO THE 2004 KIA OPTIMA HAVE DEFECTS THAT THE MANUFACTURER SHOULD WARRANTY. HEY GO BAD FROM 40 MILES ALL THE WAY BEYOND ALSO THE SEAT BELTS DO NOT RECOIL WHEN TAKEN OFF THE BODY. *TR

NHTSA ODI #10336100

35,000 miles · May 21, 2010
Latches/locks/linkages

TL*THE CONTACT OWNS A 2004 KIA OPTIMA. THE CONTACT STATED THAT THE FRONT DRIVER'S DOOR WOULD NOT OPEN FROM THE INSIDE OR OUTSIDE OF THE VEHICLE. THE VEHICLE WAS TAKEN TO AN INDEPENDENT REPAIR SHOP WHERE THE CONTACT WAS INFORMED THEY WERE UNAWARE OF A REMEDY THAT WOULD CORRECT THE FAILURE. THE FAILURE AND CURRENT MILEAGES WERE 3…

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TL*THE CONTACT OWNS A 2004 KIA OPTIMA. THE CONTACT STATED THAT THE FRONT DRIVER'S DOOR WOULD NOT OPEN FROM THE INSIDE OR OUTSIDE OF THE VEHICLE. THE VEHICLE WAS TAKEN TO AN INDEPENDENT REPAIR SHOP WHERE THE CONTACT WAS INFORMED THEY WERE UNAWARE OF A REMEDY THAT WOULD CORRECT THE FAILURE. THE FAILURE AND CURRENT MILEAGES WERE 35,000.

NHTSA ODI #10331621

95,267 miles · Apr 8, 2010
Latches/locks/linkages

INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). TO WHOM IT MAY CONCERN, DRIVERS SIDE CAR DOOR WON'T UNLOCK. HAS BEEN REPLACED AND SERVICED MANY TIMES. NOW IT IS OUT OF WARRANTY. I'VE DONE RESEARCH AND FOUND THAT SEVERAL PEOPLE HAVE HAD THE SAME PROBLEM. OBVIOUSLY IF YOU CAN'T …

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INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). TO WHOM IT MAY CONCERN, DRIVERS SIDE CAR DOOR WON'T UNLOCK. HAS BEEN REPLACED AND SERVICED MANY TIMES. NOW IT IS OUT OF WARRANTY. I'VE DONE RESEARCH AND FOUND THAT SEVERAL PEOPLE HAVE HAD THE SAME PROBLEM. OBVIOUSLY IF YOU CAN'T GET IN AND OUT OF THE DRIVERS DOOR (FROM THE INSIDE OR OUTSIDE OF THE VEHICLE) IT IS A SAFETY ISSUE. PLEASE LET ME KNOW YOUR FINDINGS. THANK YOU FOR YOUR COOPERATION IN LOOKING INTO THIS MATTER! I LOOK FORWARD TO WORKING WITH YOU TO RESOLVE THIS ISSUE. I UNDERSTAND IT IS THE LOCKING MECHANISM THAT NEEDS TO BE REPLACED, BUT HOW MANY TIMES DOES IT HAVE TO BE REPLACED BEFORE IT IS FIXED--THAT IS THE QUESTION. [XXX] *TR

NHTSA ODI #10324515

82,500 miles · Mar 24, 2010
Air BagsCrashInjury

TL*THE CONTACT OWNS A 2004 KIA OPTIMA. THE CONTACT WAS TRAVELING AT SPEEDS OF 15 MPH IN RAINY WEATHER. THE VEHICLE AHEAD OF HIM STOPPED SUDDENLY. THE CONTACT WAS UNABLE TO STOP THE VEHICLE AND CRASHED INTO THE REAR OF THE PRECEDING VEHICLE. THE AIR BAGS DID NOT DEPLOY UPON IMPACT. THE CONTACT WAS INJURED. A POLICE REPORT WAS FIL…

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TL*THE CONTACT OWNS A 2004 KIA OPTIMA. THE CONTACT WAS TRAVELING AT SPEEDS OF 15 MPH IN RAINY WEATHER. THE VEHICLE AHEAD OF HIM STOPPED SUDDENLY. THE CONTACT WAS UNABLE TO STOP THE VEHICLE AND CRASHED INTO THE REAR OF THE PRECEDING VEHICLE. THE AIR BAGS DID NOT DEPLOY UPON IMPACT. THE CONTACT WAS INJURED. A POLICE REPORT WAS FILED. THE CONTACTS VEHICLE WAS DESTROYED. THE FAILURE AND CURRENT MILEAGES WERE 82,500.

NHTSA ODI #10321771

Mileage unknown · Mar 1, 2010
Latches/locks/linkages

IN JULY 2008 THE LEFT FRONT DOOR LATCH MECHANISM MALFUNCTIONED ON MY 2004 KIA OPTIMA. THIS MALFUNCTION MADE IT UNABLE TO BE UNLOCKED. AS THE LOCKING FUNCTION OF THIS MECHANISM WORKS BY MOVING THE LATCH OPENING LEVER OUT OF POSITION, THIS MALFUNCTION MAKES IT IMPOSSIBLE FOR THE OCCUPANT TO OPEN THE DOOR FROM INSIDE. THIS PRESE…

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IN JULY 2008 THE LEFT FRONT DOOR LATCH MECHANISM MALFUNCTIONED ON MY 2004 KIA OPTIMA. THIS MALFUNCTION MADE IT UNABLE TO BE UNLOCKED. AS THE LOCKING FUNCTION OF THIS MECHANISM WORKS BY MOVING THE LATCH OPENING LEVER OUT OF POSITION, THIS MALFUNCTION MAKES IT IMPOSSIBLE FOR THE OCCUPANT TO OPEN THE DOOR FROM INSIDE. THIS PRESENTS A HAZARD TO THE OCCUPANT IN CASE OF CRASH OR FIRE. THE LATCH WAS REPLACED WITH A REPLACEMENT UNIT. IN DEC 2009, THE REPLACEMENT LATCH MALFUNCTIONED AND HAS EXHIBITED THE SAME CHARACTERISTIC PROBLEMS. I HAVE NOT HAD THE $ TO REPLACE IT AGAIN. A QUICK INTERNET SEARCH HAS REVEALED THAT THIS PROBLEM IS SHARED BY MANY KIA AND HYUNDAI OWNERS. I HOPE MY WIFE AND KIDS ARE NEVER IN A CRASH AND CANNOT EXIT THE CAR. *TR

NHTSA ODI #10315256

95,000 miles · Feb 18, 2010
Air Bags

I WAS DRIVING AND THE VEHICLE AIR BAG LIGHT CAME ON. *TR

NHTSA ODI #10311912

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.