DRIVER SIDE DOOR WON'T UNLOCK. WENT THROUGH A PERIOD WHEN IT WOULD LOCK/UNLOCK NORMALLY, THEN PERIODICALLY WE HAD TO UNLOCK WITH KEY AND PULLING DOOR HANDLE AT SAME TIME, NOW THE DOOR WILL NOT UNLOCK AT ALL. *TR
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 →How this year compares
Owner complaints by model year
Compare all Optima years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
All reported categories
Tap a category to read its complaints. One report may name several components.
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.
What owners actually said
225 reportsTL*THE CONTACT OWNS A 2004 KIA OPTIMA. WHILE DRIVING 20 MPH OUT OF A PARKING LOT, THE FRONT PASSENGER SIDE LOWER BALL JOINT AND AXLE DETACHED FROM THE VEHICLE. THE CONTACT CONTROLLED THE VEHICLE UNTIL IT CAME TO A STOP TWELVE FEET FROM THE INCIDENT. HER INSURANCE COMPANY PROVIDED ROADSIDE ASSISTANCE AND THE VEHICLE WAS TOWED …
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TL*THE CONTACT OWNS A 2004 KIA OPTIMA. WHILE DRIVING 20 MPH OUT OF A PARKING LOT, THE FRONT PASSENGER SIDE LOWER BALL JOINT AND AXLE DETACHED FROM THE VEHICLE. THE CONTACT CONTROLLED THE VEHICLE UNTIL IT CAME TO A STOP TWELVE FEET FROM THE INCIDENT. HER INSURANCE COMPANY PROVIDED ROADSIDE ASSISTANCE AND THE VEHICLE WAS TOWED TO A COLLISION SHOP. PRIOR TO THE FAILURE, THE CONTACT INFORMED THE DEALER OF A GRINDING NOISE SHE HEARD. THEY STATED THAT THEY WERE TOO BUSY TO CHECK THE VEHICLE, BUT THREE HOURS LATER THE AXLE AND LOWER BALL JOINTS FAILED. THE FAILURE MILEAGE WAS 68,954.
TL*THE CONTACT OWNS A 2004 KIA OPTIMA. THE DRIVER ATTEMPTED TO START THE VEHICLE, BUT WAS UNSUCCESSFUL. THE VEHICLE WAS TOWED TO THE REPAIR SHOP AND IT WAS DISCOVERED THAT THE ELECTRIC WIRE FOR THE FUEL PUMP HAD BURNED INSIDE THE GAS TANK. THESE WERE THE PLUGS FOR THE FUEL PUMP. THE DRIVER WAS FORTUNATE THAT THE VEHICLE WOUL…
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TL*THE CONTACT OWNS A 2004 KIA OPTIMA. THE DRIVER ATTEMPTED TO START THE VEHICLE, BUT WAS UNSUCCESSFUL. THE VEHICLE WAS TOWED TO THE REPAIR SHOP AND IT WAS DISCOVERED THAT THE ELECTRIC WIRE FOR THE FUEL PUMP HAD BURNED INSIDE THE GAS TANK. THESE WERE THE PLUGS FOR THE FUEL PUMP. THE DRIVER WAS FORTUNATE THAT THE VEHICLE WOULD NOT START BECAUSE AN EXPLOSION COULD HAVE OCCURRED. THE DEALER ADVISED HIM TO CALL NHTSA AND FILE A COMPLAINT BECAUSE THEY COULD NOT ASSIST. THE CONTACT IS A MECHANIC AND REPAIRED THE VEHICLE HIMSELF. THE FAILURE MILEAGE WAS 75,600. UPDATED 12/11/08. *LJ UPDATED 12/11/08.*JB
DASHBOARD AIRBAG INDICATOR LIT. CODE B1378 PULLED BY THE DEALERSHIP - DRIVERSIDE SIDE AIRBAG RESISTANCE HIGH. $1,020 TO FIX (REPLACE SEATBACK) . THIS CAR HAS 26,400 MILES ON IT. WAS TOLD NONE OF THE 4 AIRBAGS WILL WORK BECAUSE THIS ONE BAG HAS FAILED. I UNDERSTAND DEVICES FAIL BUT TO DESIGN AN ENTIRE SAFETY SYSTEM TO DEACTIVATE …
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DASHBOARD AIRBAG INDICATOR LIT. CODE B1378 PULLED BY THE DEALERSHIP - DRIVERSIDE SIDE AIRBAG RESISTANCE HIGH. $1,020 TO FIX (REPLACE SEATBACK) . THIS CAR HAS 26,400 MILES ON IT. WAS TOLD NONE OF THE 4 AIRBAGS WILL WORK BECAUSE THIS ONE BAG HAS FAILED. I UNDERSTAND DEVICES FAIL BUT TO DESIGN AN ENTIRE SAFETY SYSTEM TO DEACTIVATE BECAUSE ONE PART OF IT GOES BAD IS NEGLIGENT ENGINEERING. ALSO, FACTORY WARRANTIES COVERING EMISSION SYSTEMS LONGER THAN SYSTEMS RESPONSIBLE FOR BODILY SAFETY IS BAD POLICY. *TR
RT BALL JOINT/AXLE BROKE WHILE DRIVING ON 10 OCT 08. MY VEHICLE IS A 2004 KIA OPTIMA. *TR
TL*THE CONTACT OWNS A 2004 KIA OPTIMA. IN JUNE OF 2004, THE EXTERIOR LIGHTING FAILED WHILE DRIVING AT AN UNKNOWN SPEED. IN ADDITION, THE DRIVER'S SIDE DOOR WOULD NOT LOCK AND THE CHECK ENGINE LIGHT CONSISTENTLY ILLUMINATED. THE CONTACT TOOK THE VEHICLE TO THE DEALER AND THE EXTERIOR LIGHTING WAS REPAIRED; HOWEVER, THE DOOR WA…
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TL*THE CONTACT OWNS A 2004 KIA OPTIMA. IN JUNE OF 2004, THE EXTERIOR LIGHTING FAILED WHILE DRIVING AT AN UNKNOWN SPEED. IN ADDITION, THE DRIVER'S SIDE DOOR WOULD NOT LOCK AND THE CHECK ENGINE LIGHT CONSISTENTLY ILLUMINATED. THE CONTACT TOOK THE VEHICLE TO THE DEALER AND THE EXTERIOR LIGHTING WAS REPAIRED; HOWEVER, THE DOOR WAS NOT BECAUSE IT WAS NOT UNDER WARRANTY. AFTER THE REPAIR WAS MADE, THE EXTERIOR LIGHTING CONTINUED TO FAIL AS WELL AS THE OTHER ISSUES. SHE TOOK THE VEHICLE BACK TO THE DEALER APPROXIMATELY FOUR TIMES TO REPAIR THE SAME FAILURES, BUT THE ISSUES KEPT PERSISTING. THE VEHICLE HAS NOT BEEN REPAIRED SINCE. THE CURRENT MILEAGE WAS 93,000 AND FAILURE MILEAGE WAS 19,195. UPDATED 10/05/08 *CN THE HEADLIGHTS AND BRAKE LIGHTS WERE REPLACED SEVERAL TIMES. THE DIMMRE SWITCH ALSO FAILED. UPDATED 11/06/08. *JB
TL*THE CONTACT OWNS A 2004 KIA OPTIMA. THE AIR BAG LIGHT ILLUMINATED ON THE INSTRUMENT PANEL. WHENEVER THE CONTACT ATTEMPTED TO MAKE A LEFT TURN, SHE HEARD A GRINDING NOISE COMING FROM THE STEERING COLUMN. THE VEHICLE WAS TAKEN TO THE DEALER AND THEY STATED THAT THE CLOCK SPRING NEEDED TO BE REPLACED. THE SAME FAILURE HAS OC…
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TL*THE CONTACT OWNS A 2004 KIA OPTIMA. THE AIR BAG LIGHT ILLUMINATED ON THE INSTRUMENT PANEL. WHENEVER THE CONTACT ATTEMPTED TO MAKE A LEFT TURN, SHE HEARD A GRINDING NOISE COMING FROM THE STEERING COLUMN. THE VEHICLE WAS TAKEN TO THE DEALER AND THEY STATED THAT THE CLOCK SPRING NEEDED TO BE REPLACED. THE SAME FAILURE HAS OCCURRED MORE THAN FIVE DIFFERENT TIMES AND STILL PERSISTS. THE CURRENT MILEAGE WAS 48,016 AND FAILURE MILEAGE WAS 25,000.
TL*THE CONTACT OWNS A 2004 KIA OPTIMA. WHILE DRIVING APPROXIMATELY 70 MPH, THE INSTRUMENT CONTROL PANEL BECAME INOPERATIVE AND DISPLAYED INACCURATE READINGS. THE CONTACT CALLED THE DEALER AND SHE IS IN THE PROCESS OF HAVING THE VEHICLE INSPECTED TO DETERMINE THE CAUSE OF FAILURE. THE FAILURE AND CURRENT MILEAGES WERE 64,000. …
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TL*THE CONTACT OWNS A 2004 KIA OPTIMA. WHILE DRIVING APPROXIMATELY 70 MPH, THE INSTRUMENT CONTROL PANEL BECAME INOPERATIVE AND DISPLAYED INACCURATE READINGS. THE CONTACT CALLED THE DEALER AND SHE IS IN THE PROCESS OF HAVING THE VEHICLE INSPECTED TO DETERMINE THE CAUSE OF FAILURE. THE FAILURE AND CURRENT MILEAGES WERE 64,000. UPDATED 09/16/08 *BF UPDATED 09/19/08. *JB
HELLO I HAVE A FEW ISSUES WITH MY 2004 KIA OPTIMA THAT I HAVE BEEN UNABLE TO GET RESOLVED. THE 1ST IS MY AIR BAG LIGHT IS CONSTANTLY ON. I TOOK THE CAR INTO THE SHOP FOR THIS WHILE IT WAS UNDER WARRANTY AND WAS TOLD THAT IT WAS FIXED. THE LIGHT CAME BACK ON AND NOW THE CAR IS NO LONGER UNDER WARRANTY. I WAS TOLD THAT IN ORDE…
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HELLO I HAVE A FEW ISSUES WITH MY 2004 KIA OPTIMA THAT I HAVE BEEN UNABLE TO GET RESOLVED. THE 1ST IS MY AIR BAG LIGHT IS CONSTANTLY ON. I TOOK THE CAR INTO THE SHOP FOR THIS WHILE IT WAS UNDER WARRANTY AND WAS TOLD THAT IT WAS FIXED. THE LIGHT CAME BACK ON AND NOW THE CAR IS NO LONGER UNDER WARRANTY. I WAS TOLD THAT IN ORDER TO HAVE IT FIXED I HAVE TO SPEND A COUPLE HUNDRED DOLLARS TO HAVE MY PASSENGER SEAT REMOVED AND SOME WIRES WOULD HAVE TO BE SPLICED TO CORRECT THE ISSUE. I'M NOT COMFORTABLE PAYING TO HAVE A PROBLEM FIXED THAT SHOULD HAVE ALREADY BEEN FIXED AND THE RESPONSE I GET AS TO THE SOLUTION INVOLVES SPLICING OF WIRES FOR MY AIR BAG. I HAVE BEEN ON SEVERAL WEBSITES AND HEARD MULTIPLE COMPLAINTS ABOUT THE SAME ISSUE WITH THIS YEAR/MODEL. ISSUE #2 INVOLVES MY HEADLIGHTS. I HAVE OWNED MY CAR SINCE I PURCHASED IT IN 2005. I HAVE BLOWN AT LEAST 5 SETS OF HEADLIGHTS IN THE VEHICLE. THIS IS SETS AND NOT JUST BULBS. MY MOST RECENT ONE HAS BLOWN AND HAS NOT EVEN BEEN INSTALLED FOR 3 MONTHS. IN ORDER TO GET THIS FIXED I WILL HAVE TO TAKE IT TO THE SHOP AND SPEND ALMOST $100 JUST TO HAVE SOMEBODY TEST THE SYSTEM AND TELL ME WHAT'S WRONG AND THEN PAY TO GET IT FIXED. IT HAS BEEN BAD ENOUGH THAT ONCE THEY BOTH BLEW AT THE SAME TIME AND LEFT ME WITH NO HEADLIGHTS AT ALL EXCEPT FOR MY HIGH BEAMS. I HAVE ALSO SEEN MULTIPLE COMPLAINTS ABOUT THIS ISSUE ALSO WITH THIS MAKE/MODEL. IF SOMEBODY COULD PLEASE TAKE A LOOK AT THESE ISSUES AND ASSIST ME WITH GETTING THEM ADDRESSED. MY CAR CURRENTLY WILL NOT PASS AN INSPECTION DUE TO THE AIRBAG LIGHT BEING ON. *TR
TL*THE CONTACT OWNS A 2004 KIA OPTIMA. WHILE DRIVING AT AN UNKNOWN SPEED, THE CONTACT HEARD A GRINDING NOISE COMING FROM THE REAR PASSENGER SIDE TIRE. THE VEHICLE WAS TAKEN TO THE SHOP THE FOLLOWING DAY FOR AN OIL CHANGE, AND IT WAS DISCOVERED THAT THE REAR PASSENGER CALIPER WAS FROZEN AND WOULD NOT RELEASE. THE ROTOR AND CAL…
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TL*THE CONTACT OWNS A 2004 KIA OPTIMA. WHILE DRIVING AT AN UNKNOWN SPEED, THE CONTACT HEARD A GRINDING NOISE COMING FROM THE REAR PASSENGER SIDE TIRE. THE VEHICLE WAS TAKEN TO THE SHOP THE FOLLOWING DAY FOR AN OIL CHANGE, AND IT WAS DISCOVERED THAT THE REAR PASSENGER CALIPER WAS FROZEN AND WOULD NOT RELEASE. THE ROTOR AND CALIPER WERE REPLACED. APPROXIMATELY 8,000 MILES LATER, THE PADS AND ROTORS HAD TO BE REPLACED AGAIN. THERE IS NO RECALL REGARDING THIS FAILURE. THE CURRENT MILEAGE WAS 17,080 AND FAILURE MILEAGE WAS 80,000.
Official recalls
109V183000 · 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
0No exact-year investigations in this snapshot.
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