Home · 2011 Kia Optima · Complaints

What 590 owners told NHTSA about the 2011 Kia Optima

These are the actual owner complaints behind this car’s reliability verdict, filed with the federal government, unedited. They’re unverified reports, not confirmed defects: read them as leads for your pre-purchase inspection, not a diagnosis.

All (590)Crash / fire / injury (55)Engine (253)Steering (100)Lights (88)Electrical system (61)Brakes (47)Airbags (31)Transmission & drivetrain (25)Fuel system (24)Body & structure (21)Speed control (19)

88 of 590 complaints match · Lights · clear filters · page 1 of 4

Jun 2, 2026Lights

I have replaced the headlights in my 2011 Kia Optima multiple times but no matter what without the brights on, the road is not at all illuminated making it impossible to see at night. When you look at the car head on the lights look as if they would be incredibly bright, but I believe due to faulty reflective lining on the interior of the headlight housing, even though the bulb may shine brightly, it does not get reflected properly onto the surface of the road causing serious safety concerns.

NHTSA ODI 11741618

Sep 15, 2024SuspensionLightsBrakes

After getting HECU recall done , it has caused issues with the HECU module to where the brake lights no longer work and the ESC light comes on the cluster panel. Up on reading the code C2130, it says Brake lamp relay error. Mind you that my car was in working order before this recall was even done. This a huge safety issue not having your brake lights work. I can get rear-ended and i have kids in the car. This has been a issue since July when i got the recall done and KIA has yet to find a fix for this matter.

NHTSA ODI 11614735

Apr 26, 2024Lights

The contact owns a 2011 Kia Optima. The contact stated that the headlights were significantly dim, which reduced the driver's visibility of the roadway while driving at night. The vehicle was taken to the local Pep Boys where the headlight bulbs were replaced; however, the failure persisted. The dealer was notified of the failure and charged a repair fee for the headlights replacement. The manufacturer was notified of the failure. The failure mileage was approximately 150,000.

NHTSA ODI 11585373

Dec 26, 2023LightsEngine

Check engine has failed. Glow relay stuck on or knock sensor or engine warranty. I don't know. Kia service will find out what's wrong with my car.

NHTSA ODI 11561969

Mar 25, 2023Lights

Low beam headlights on my 2011 KIA Optima with 150,000 miles are bright to look at them, however the beam pattern on on the roadway is terrible. I have tried replacing the bulbs with brightest bulbs, checked voltages and grounds. After checking over 10 forums I have found that the reflective service on the headlight housing has degraded and lost its reflective value causing a very safe condition. 1 person disassembled the headlight unit and installed foil tape, stating this corrected the issue. I have attempted to contact KIA with out a return response. I feel this should be a KIA recall issue.

NHTSA ODI 11513712

Feb 19, 2023Lights

The headlights fail to light up safely and can cause serious injuries or even death. You are unable to see 10 foot in front of the car on deem and bright lights you can only see 15 feet at the max.

NHTSA ODI 11508115

Nov 16, 2022Lights

THE LOW BEAM HEADLIGHTS ON THIS VEHICLE ARE EXTREMELY DIM. IT IS DANGEROUS TO DRIVE AT NIGHT. THE ONLY SAFE WAY TO DRIVE IS WITH THE HIGH BEAMS WHICH ENDANGERS OTHER DRIVERS ON THE ROAD. THERE ARE THOUSANDS OF OTHER KIA OPTIMA DRIVERS WITH THE SAME PROBLEM BUT KIA WON'T ACKNOWLEDGE OR FIX THE ISSUE. THIS CAR IS UNSAFE TO DRIVE AT NIGHT.

NHTSA ODI 11493818

Sep 20, 2021Lights

The contact owns a 2011 Kia Optima. The contact stated that the headlights would dimly illuminate while in operation without warning. The contact took the vehicle to a dealer where he was informed that his vehicle had been placed under warranty for the headlights; however, the warranty had expired. The contact had the vehicle inspected and was informed that the film inside the headlamp had melted and that the headlamps needed to be replaced. The manufacturer had yet to be notified of the failure. The vehicle had yet to be repaired. The failure mileage was unknown.

NHTSA ODI 11433633

Apr 3, 2021LightsVisibility & wipers

I CONSTANTLY HAVE TO REPLACE HEADLIGHT BULBS,BRAKE LIGHT BULBS AND FOG LIGHT BULBS LIKE 2 TO 3 TIMES A YEAR AND MY LIGHTS ON DIM IS TOO DARK AND NOT ALIGNED CORRECTLY,FOR THE HEADLIGHTS ONE SIDE SHINE UP AND THE OTHER SHINE DOWN ON SEVERAL OCCASIONS I HAD TO REPLACE THE WHOLE HEADLIGHT FIXTURE BECAUSE THE BULB GOT SO HOT IT MELTED INTO THE FIXTURE AROUND IT

NHTSA ODI 11406166

Mar 20, 2021Lights

HEADLIGHTS ARE VERY DIM. REFLECTOR ON THE LOW BEAMS ARE PEELING AND NOT REFLECTING THE LIGHT TO THE STREET. VERY SERIOUS SAFETY CONCERN. CANT SEE 6' IN FRONT OF THE CAR THUS RENDERING THE VEHICLE USELESS DURING NIGHT HOURS. KIA WONT ACKNOWLEDGE OR GO TO A RECALL. DEALER SAYS NOTHING IS WRONG.

NHTSA ODI 11403985

Mar 16, 2021Electrical systemLightsEngine

THE ENGINE SEIZED. IVE BEEN WAITING FOR THIS RECALL. KIA HAS HAD TIS VEHICLE FOR A MONTH AND I CAN'T SEEM TO GET THE APPROVAL FOR THE CURRENT RECALL. IT WAS IN MOTION DRIVING AT 30 MILES PER HOUR SMOKE CAME FROM THE ENGINE AND NEVER TURNED ON AGAIN.IT WAS 300 DOWNTOWN SALT LAKE CITY. A CITY STREET. WE HAD THE VEHICLE TOWED HOME. THE DEALERSHIP SEIZED THE ENGINE AND QUOTED US 6500.00 TO FIX THE ENTIRE CAR. REPLACE THE ENGINE.

NHTSA ODI 11403352

Dec 25, 2020Lights

LOW BEAM HEADLIGHTS ILLUMINATE SO LITTLE, ONLY LIGHTING APPROXIMATELY 10 FEET IN FRONT OF THE CAR. THIS HAS BECOME EXTREMELY DANGEROUS AND A MAJOR SAFETY ISSUE.

NHTSA ODI 11384894

Oct 22, 2020Electrical systemLightsAirbags

THE PASSENGER AIRBAG LIGHTS WILL FLASH, MY LIGHTS WON'T TURN OFF WHEN ON AUTO, MY RADIO IS TURNING ON AND OFF BY ITSELF AND IS DOING SOME WEIRD THINGS

NHTSA ODI 11365822

Sep 23, 2020LightsBrakes

TL* THE CONTACT OWNS A 2011 KIA OPTIMA. THE CONTACT STATED THAT WHILE DRIVING AT VARIOUS SPEEDS, THE REAR BRAKE LIGHT FAILED TO ILLUMINATE PROPERLY WITH THE BRAKE PEDAL DEPRESSED. THE TRACTION CONTROL WARNING LIGHT WAS ILLUMINATED. THE CONTACT STATED THAT WHEN THE VEHICLE WAS TURNED ON, THE TRANSMISSION SHIFTER BECAME DIFFICULT TO MOVE WITHOUT DEPRESSING THE BRAKE PEDAL. AN APPOINTMENT WAS SCHEDULED AT THE DEALER BOB BELL KIA OF BALTIMORE (7900 EASTERN AVE, BALTIMORE, MD 21224) TO BE DIAGNOSED. THE VEHICLE WAS NOT DIAGNOSED NOR REPAIRED. THE CONTACT REFERENCED NHTSA CAMPAIGN NUMBER: 13V114000 (SERVICE BRAKES, HYDRAULIC, EXTERIOR LIGHTING) AS A POSSIBLE SOLUTION TO THE FAILURE HOWEVER, THE VIN WAS NOT INCLUDED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 70,000.

NHTSA ODI 11360645

Sep 1, 2020Lights

THE LOW BEAM HEADLIGHTS ON THIS VEHICLE ARE EXTREMELY DIM. IT IS DANGEROUS TO DRIVE AT NIGHT. THE ONLY SAFE WAY TO DRIVE IS WITH THE HIGH BEAMS WHICH ENDANGERS OTHER DRIVERS ON THE ROAD. THERE ARE THOUSANDS OF OTHER KIA OPTIMA DRIVERS WITH THE SAME PROBLEM BUT KIA WON'T ACKNOWLEDGE OR FIX THE ISSUE.

NHTSA ODI 11352434

Jul 13, 2020Lights

THE LOW BEAMS ON THIS VEHICLE ARE DANGEROUS. WE PURCHASED IT FOR OUR DAUGHTER AND NOW ARE SCARED TO LET HER DRIVE IT AT NIGHT. THE HIGH BEAMS SEEM TO BE FINE BUT WHEN THE LOW BEAMS ARE ON YOU CAN NOT SEE ANYTHING. VERY DANGEROUS

NHTSA ODI 11339174

Jun 23, 2020Lights

SO ONE OF THE KIA DEALERS IN THE STATE OF MAINE REPLACED THE MOTOR IN OUR 2011 OPTIMA, EVER SINCE THEN OUR AIR CONDITIONING SYSTEM HAS NOT BEEN WORKING. I'VE HAD IT TESTED AND RECHARGED. STILL NO ACC. I HAVE DIAGNOSED NO POWER TO THE AC PUMP. ALSO THE HEADLIGHTS HAVE NEW BULBS IN LOW BEAM AND ARE DIM..?? *TR

NHTSA ODI 11330295

Jun 21, 2020Lights

2011 KIA OPTIMA WAS PURCHASED IN 2014 WITH LOW HEADLIGHT BEAMS OUTPUT, HAS SINCE DETORIATED TO ALMOST NON EXISTENT. HAVE REPLACED HEADLIGHT BULBS SEVERAL TIMES TRYING TO IMPROVE LIGHT QUALITY AND HAS NOT RESOLVED THIS ISSUE IN ANY WAY. HAD PLANNED ON KEEPING THIS CAR FOREVER AS I HAVE REPLACED THE ENGINE ONCE ALREADY BUT I'M AT A LOSS, U SIMPLY CAN NOT SAFELY DRIVE THIS VEHICLE AT NIGHT! SO UPON RESEARCH I FOUND THIS IS A VERY BIG AND COMMON PROBLEM FOR KIA OWNERS. CLEARLY IT IS A SAFETY ISSUE, BUT THERE HAS BEEN NO SERVICING OR RECALLS OFFERED TO CORRECT THIS FOR US DRIVERS. WITH THE SUGGESTED RESOLUTION FOR THIS PROBLEM BEING A NEW HOUSING/ASSEMBLY AT $1,000 OR MORE THAT IS COMPLETELY NOT A FEASIBLE RESOLUTION TO BE ACHIEVED FINANCIALLY BY WAY OF THE AVERAGE DRIVER AS THOSE REPAIRS ARE WAY TO COSTLY, KIA SHOULD HAVE ALREADY JUMPED IN AND OFFERED SOME SAFETY RECALLS! ALSO WORTH NOTING, I HAVE CHANGED THE HEADLIGHTS MANY TIMES JUST DO TO THEM BURNING OUT, NOT SURE IF THAT IS BECAUSE OF WHATEVER UNDERLYING PROBLEM THERE IS FOR THESE LIGHTS INITIALLY OR MAYBE BECAUSE OF AFTERMARKET LIGHTS, ETC. PLEASE PLEASE ADDRESS THIS ISSUE SOON!! MY REGARDS, *COMPLAINT FORM ASKS IS THERE WAS A CRASH WITH ONLY YES OR NO OPTIONS TO ANSWER AS. THERE NEEDS TO BE AN ADDED FIELD WITH "THERE IS GOING TO BE"!

NHTSA ODI 11329886

May 28, 2020Lights

THE LOW BEAMS ON THIS CAR ARE ALMOST NON EXISTENT. I HAVE TO DRIVE WITH MY HIGH BEAMS ON TO SEE ANYTHING IN FRONT OF THE CAR. IT'S SO BAD THAT WHEN A CAR IS BEHIND ME THERE IS THE SHADOW OF MY CAR FROM THE HEADLIGHTS BEHIND ME. I BROUGHT TO THE GARY ROME KIA IN JANUARY WHO TOLD ME IT WASN'T COVERED UNDER THE LIFETIME HEADLIGHT WARRANTY BECAUSE THE FOIL IN HEADLIGHT HOUSING IS INTACT. IT IS A MAJOR HAZARD AND I DON'T KNOW WHAT TO DO. I HAVE HAD THIS PROBLEM SINCE I BOUGHT THE CAR BUT IS GETTING PROGRESSIVELY WORSE. CAR HAS 109K ON IT.*DT*LN *TR THE CONSUMER SUBMITTED A PHOTO OF THE VEHICLE WITH THE DIM LIGHTS. THE CONSUMER STATED MINIMIZES DRIVING AT NIGHT OR IF DRIVING SHE WOULD HAVE TO USE THE HIGH BEAMS IN ORDER TO SEE AT NIGHT. *TR

NHTSA ODI 11326265

May 9, 2020Lights

DRIVING AT NIGHT HAS BEEN NEAR IMPOSSIBLE. I HAVE GONE TO TWO DIFFERENT DEALERSHIPS WITH NO RESULTS. THERE WAS A RECALL, BUT THE DEALERSHIP SAID MY CAR DID NOT SHOW SIGNS FOR THE RECALL. *TR

NHTSA ODI 11323944

Apr 21, 2020LightsEngineFuel system

MY CAR HAVE LOT OF PROBLEMS IN SIDE

NHTSA ODI 11321850

Apr 7, 2020Lights

DIM HEADLAMPS DUE TO DETERIORATING REFLECTIVE COATING ON LOW BEAM HOUSING. *TR

NHTSA ODI 11320403

Jan 28, 2020Lights

PROBLEM WITH KIA DOOR SENSOR LIGHT STAYING ON WHEN ALL DOORS ARE SHUT TIGHT. I'VE GOTTEN (3) THREE JUMPS AND PURCHASED A NEW BATTERY BECAUSE THIS SENSOR IS DRAINING MY BATTERY. WHEN THE SENSOR IS ON IT WON'T ALLOW ME TO SECURE THE CAR. IF I USE THE CLICKER IT WON'T LOCK BECAUSE THE SENSOR LIGHT IS ON. I NEVER KNOW WHEN I GO TO THE CAR IF IT WILL ACTUALLY START OR NOT. I'M TRYING TO GET THE DEALERSHIP TO UNPLUG THE SENSOR. HAD TO CALL TOW TRUCK ON: JAN 1, JAN 17 AND JAN 19

NHTSA ODI 11302650

Jan 27, 2020Lights

THE LOW BEAM HEADLIGHTS HAVE CONTINUOUSLY BECOME DIMMER OVER TIME. AFTER REPLACING THE BULBS A SECOND TIME, I DETERMINED THAT IT WAS CLEARLY NOT A BULB ISSUE. THERE WAS ABSOLUTELY NO LIGHT DIRECTLY IN FRONT OF THE CAR, ONLY TO THE SIDES. THE HIGH BEAMS ARE FINE. AFTER READING ON LINE THOUSANDS OF COMPLAINTS, I TOOK MY CAR TO A DEALER. BULLDOG KIA IN ATHENS, GA TOLD ME THAT THERE WAS IN FACT A SERVICE ISSUE (SHE WOULD NOT SAY RECALL), BUT BECAUSE NOTHING IN MY HEADLIGHT ASSEMBLY WAS "BROKEN OR CRACKED" THEY COULDN'T REPLACE IT. AND SINCE I DIDN'T BUY THE BULB FROM KIA, THAT WAS THE PROBLEM. I PURCHASED THE EXACT BULB RECOMMENDED FOR THIS YEAR, MAKE AND MODEL. KIA WAS GOING TO CHARGE ME $1,000 TO REPLACE THE HEADLIGHT ASSEMBLIES. THE NEW ASSEMBLIES WOULD BE EXACTLY THE SAME AS THE ONES THAT ARE CURRENTLY BAD. NOTHING HAS BEEN CHANGED! IF YOU LOOK AT ANY KIA OPTIMA ON THE ROAD THAT IS MORE THAN 3 OR 4 YEARS OLD, YOU WILL SEE THE SAME DARK AREA IN FRONT OF THE CAR, WITH A LOT OF LIGHT SHOOTING OUT TO THE SIDES. SINCE THIS IS MY DAUGHTERS CAR FOR COLLEGE, I PURCHASED NEW HEADLIGHT ASSEMBLIES ON LINE FOR $285 AND REPLACED THEM MYSELF AND USED LED BULBS TO PREVENT THE "BURNING" OF THE CHROME PLATING INSIDE THE ASSEMBLY THAT APPARENTLY CAUSE THE OTHERS TO GO BAD. THIS IS A TREMENDOUS SAFETY HAZARD. ANYONE WHO REPLACES THE BULB THINKS THAT THEY ARE FIXING THE PROBLEM, AND THEREFORE ARE DRIVING IN INADEQUATE LIGHTING. PLEASE, PLEASE DO SOMETHING TO FORCE KIA TO RECALL AND REPLACE THESE HEADLIGHT ASSEMBLIES BEFORE NEEDLESS ACCIDENTS HAPPEN CAUSING INJURY OR DEATH. MY DAUGHTER WAS OVERWHELMED BY THE ADDITIONAL VISION THAT SHE NOW HAS WITH HER NEW LED LIGHTS. SHE ONLY TOLD ME BECAUSE SHE HAD FRIENDS THAT DIDN'T FEEL SAFE RIDING IN HER CAR AT NIGHT. SO SHE BROUGHT IT TO MY ATTENTION. I AM APPALLED THAT KIA IS AVOIDING THIS MAJOR ISSUE. PLEASE TAKE ACTION ASAP. THANK YOU.

NHTSA ODI 11302283

Jan 22, 2020Lights

HEADLIGHTS ARE TOO DIM. USING LOW BEAM LIGHTS AT NIGHT DOES NOT ILLUMINATE THE ROAD AT ALL. HAVE REPLACED THE HEADLIGHT BULBS 3 TIMES AND IT DOES NOT FIX THE PROBLEM.

NHTSA ODI 11301166

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Working with the data? Download all 590 complaints as CSV · fetched from NHTSA July 19, 2026

How to use these: a complaint is one owner’s report, filed voluntarily and published unverified. Patterns matter more than any single story. If several owners describe the same failure at similar mileage, put that system at the top of your pre-purchase inspection list. Back to the full 2011 Kia Optima verdict →