RoadVitals

2008 Kia Optima Electrical Problems

Owner-reported complaints naming the electrical system, filed with NHTSA

Data refreshed

Electrical reportsComplaints are reports submitted to NHTSA by owners and drivers. NHTSA does not verify most reports before publishing them, and a complaint does not establish that a defect exists. Volume is influenced by how many of a vehicle were sold, how long it has been on the road, and how much attention an issue has received.
15
Latest Feb 6, 2026
Share of all reportsThis category as a share of every owner report on file for this model year. One report can name more than one component, so the categories overlap.
10%
of 143 total
Crash or fire reportedReports in this category whose submitter recorded that a crash or a fire occurred. The reporter's own answer on the NHTSA form, not a verified finding.
2
Injuries or deaths reportedTotals the submitters entered on their own reports in this category. Not verified by NHTSA and not a casualty statistic.
0

What this page shows

Reports naming the electrical system — wiring, battery, charging, control modules, infotainment and electrical accessories. Every record below is an owner-reported complaint about the 2008 Kia Optima submitted to NHTSA — not a confirmed defect, not a recall and not a manufacturer bulletin. 15 reports on file name it.

Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.

Owner reports naming electrical

Shown in the owner’s own words, exactly as filed

ElectricalEnginePowertrain (other)
Filed Feb 6, 2026

Odometer Fraud. The contact owns a 2008 Kia Optima. The contact stated that the check engine warning light was illuminated. The vehicle was taken to an independent mechanic, who diagnosed the vehicle's transmission failure. The contact discovered a mileage discrepancy after purchasing the vehicle. The vehicle was a dealer sale. At the time of purchase, the mileage was 198,000. It was later discovered that the mileage on the Title was 217,000.

NHTSA ID
11716258
Incident
Feb 6, 2026
Mileage
217,000 mi
ElectricalEngine
Filed Jul 6, 2020
Fire reported

WAS DRIVING ON THE HIGHWAY WHEN THE CAR BURST INTO FLAMES

NHTSA ID
11337790
Incident
Jul 5, 2020
Mileage
130,000 mi
ElectricalFuel system
Filed Jul 17, 2019

WHEN PLACING THE CAR IN PARK THE CAR ISN'T RECOGNIZING THAT THE CAR IS PARKED CAUSING IT TO CONTINUE TO ROLL. ONCE THE IGNITION HAS BEEN TURNED OFF THE CAR WILL NOT RESTART AND THE GEARS WILL NOT SHIFT.

NHTSA ID
11232743
Incident
Jul 9, 2019
Mileage
160,000 mi
ElectricalPowertrain (other)
Filed Jun 4, 2018

THE GEAR SHIFTER IS FREELY ALLOWED TO MOVE, YET THE ELECTRICAL SYSTEM IS REGISTERING THAT THE CAR HASN'T LEFT NEUTRAL. (EXAMPLE: WHEN I PLACE THE CAR IN P(ARK), THE DISPLAY ABOVE THE ODOMETER WILL REMAIN IN N(EUTRAL). THE SHIFTER IS FREELY ALLOWED TO MOVE WHEN THE CAR IS ON AND THE BRAKE IS PRESSED DOWN AS USUAL.

NHTSA ID
11099510
Incident
Jun 3, 2018
Mileage
131,500 mi
Electrical
Filed Nov 11, 2017

MY TRANSMISSION WILL NOT DISENGAGE FROM DRIVE AND ROLLS AWAY.

NHTSA ID
11045297
Incident
Nov 10, 2017
Mileage
115,000 mi
BrakesElectrical
Filed May 15, 2017

2008 KIA OPTIMA. CONSUMER WRITES IN REGARDS TO PROBLEM WITH IGNITION. *LD THE CONSUMER STATED THE IGNITION WOULD STICK, THE BATTERY NEEDED TO BE REPLACED AND THE BACK ROTORS NEEDED TO BE REPLACED. UPDATED 05/15/2017 *JS

NHTSA ID
10981870
Incident
Apr 1, 2017
BrakesDriver assistanceElectrical
Filed May 3, 2015

FEBRUARY 2013 STARTED EXPERIENCING ELECTRICAL ISSUES. EXAMPLE: REAR WINDOW BRAKE LIGHT STOPPED WORKING (HAD TO HAVE REPLACED), THEN TROUBLE WITH TURN SIGNAL LIGHT WOULD AT TIMES NOT WORK. THE AIR CONDITIONER STARTED BLOWING HOT AIR: ADDED COOLANT AND FR( JULY 2013) BUT STILL ISN'T WORKING RIGHT. THEN CD PLAYER HAD ISSUES WHERE IT WOULD NOT EJECT CD OR FAIL TO READ THE DISK AT ALL. THEN THE RADIO STOPPED WORKING TOO. JUNE 2014 CAR WOULDN'T START HAD TO REPLACE BATTERY BUT STILL WOULDN'T CHARGE. JANUARY 2015 INSTALLED NEW ALTERNATOR, STILL DIDN'T FIX THE ISSUE. HAD THE CHARGING SYSTEM INSPECTED FEBRUARY 2015. TURNED OUT TO BE A SHORT OR FAILURE DUE TO ELECTRICAL ISSUE HAS TO GET IT FIXED. FEBRUARY 2015 ELECTRICAL REPAIRS (SWITCH, PLUG, FUSE). MARCH 2015 CAR IS MAKING GRINDING NOISE WHEN PRESSING DOWN ON THE BREAK, IT IS VERY HARD TO BRING THE CAR TO A FULL STOP AND MAKES A GRINDING SOUND WHEN MAKING TURNS AS WELL. *TR

NHTSA ID
10714223
Incident
Mar 4, 2014
Mileage
97,000 mi
Electrical
Filed Mar 2, 2015

ON FEBRUARY 21 2015 I DROVE THE CAR TO THE STORE WHEN I TURNED THE CAR OFF THE KEY WOULD NOT COME OUT OF THE IGNITION. I CALLED KIA DEALER AND THEY HAD NO SOLUTION. THE KIA DEALER GAVE ME AN APPOINTMENT FOR TUESDAY FEBRUARY 24 2015. I WAS ABLE TO DRIVE THE CAR HOME AND PUT IT IN THE GARAGE. ON SUNDAY FEBRUARY 22 2015 I WENT INTO THE GARAGE AND COULD SMELL SOMETHING BURNING. I DECIDED TO BACK THE CAR OUT OF THE GARAGE AND COULDN'T BECAUSE THE BATTERY WAS DEAD. ON TUESDAY FEBRUARY 24 2015 I HAD THE CAR TOWED TO THE KIA DEALER. THEY TOLD ME THAT THE SHIFTER RELEASE MECHANISM INOPERATIVE NOT ALLOWING THE KEY TO BE RELEASE IN SWITCH. THEY REPLACED SHIFTER ASSEMBLY AND THE BATTERY. THE COST FOR THE REPAIRS WHICH I PAID WAS $870. I PICKED UP THE CAR ON FEBRUARY 25 2015. *TR

NHTSA ID
10691455
Incident
Feb 21, 2015
Mileage
72,000 mi
Electrical
Filed Oct 22, 2014

TODAY, THE KEY WOULD NOT TURN IN MY 2008 KIA, I HAD TO HAVE IT TOWED TO MY HOME. THIS IS A RECURRING ISSUE AND BUT USUALLY I CAN TURN THE STEERING WHEEL OR MOVE AROUND THE GEARSHIFT TO SOLVE THE PROBLEM. ALTHOUGH TODAY MY KEY WILL NOT TURN AND I CAN MOVE THE STEERING WHEEL AROUND AND PUSH THE GEARSHIFT OVER AND IT DOES NOTHING. I CALLED KIA AND THEY SAID I WOULD HAVE TO COME IN TO GET A DIAGNOSTIC TEST FOR $107 , ALTHOUGH I TOLD THEM IT SEEMS TO BE THE KEY IGNITION. I FEEL THIS IS A SAFETY ISSUE WHICH I AM SHOCKED THERE HAS NOT BEEN A RECALL FOR IT AND ALSO MY CAR WILL COMPLETELY SHUT OFF AT RANDOM TIMES WHEN I START TO DRIVE AND TURN A CORNER .I ALSO FEEL THIS IS A SAFETY ISSUE. I HAVE READ MANY COMPLAINTS ONLINE ABOUT THE SAME ISSUES. *TR

NHTSA ID
10649351
Incident
Oct 22, 2014
Mileage
61,000 mi
ElectricalEngine
Filed Sep 24, 2014

TL* THE CONTACT OWNS A 2008 KIA OPTIMA. WHILE DRIVING APPROXIMATELY 55 MPH, THE VEHICLE STALLED. THE VEHICLE IMMEDIATELY RESTARTED AND RESUMED NORMAL OPERATION. THE FAILURE OCCURRED NUMEROUS TIMES. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC, BUT THE CAUSE OF THE FAILURE COULD NOT BE DIAGNOSED. THE MANUFACTURER WAS NOTIFIED. THE APPROXIMATE FAILURE MILEAGE WAS 62,000.

NHTSA ID
10638668
Incident
Sep 5, 2012
Mileage
62,000 mi
ElectricalSeat belts
Filed Jul 23, 2012
Fire reported

THE REAR PASSENGER SEAT BELT WAS JAMMED. I PULLED IT A FEW TIMES AND IT BECAME UNJAMMED AND I FASTENED THE SAFETY BELT AROUND MY 4 YEAR OLD CHILD. APPROXIMATELY 3-5 MINUTES LATER AS I WAS DRIVING I SMELLED SMOKE. I STARTED CHECKING THE CONTROL PANEL AND TURNED OFF THE A/C AND RADIO AND ROLLED DOWN THE WINDOWS. THE SMOKE STOPPED SO I CONTINUED TO DRIVE ABOUT A MILE AND STOPPED THE CAR IN A PARKING LOT. I WAS THERE APPROXIMATELY 4 MINUTES WHEN I SMELLED SMOKE AND TURNED MY HEAD TO THE REAR OF THE VEHICLE TOWARDS MY CHILD. MY CHILD SCREAMED FOR ME THE SAME MOMENT I WAS TURNING MY HEAD AND THERE WERE FLAMES MELTING THE PLASTIC CASING AROUND THE SEAT BELT COVER. THE FLAMES ALMOST REACHED HER HEAD. I FRANTICALLY GOT IN THE BACK SEAT AND REMOVED THE SAFETY BELT AND PULLED HER FROM THE CAR TO SAFETY. THE ENTIRE INTERIOR OF THE CAR WAS BURNED FROM THE FIRE. THERE WERE NO BURN INJURIES DUE TO THE FACT THAT I WAS STOPPED AND ABLE TO REMOVE MYSELF AND MY CHILD BEFORE THE FLAMES ENGULFED MY CAR. *TR

NHTSA ID
10467019
Incident
Jul 21, 2012
ElectricalInterior & seatsVisibility
Filed Apr 20, 2011

TL* THE CONTACT OWNS A 2008 KIA OPTIMA LS. THE CONTACT STATED THAT THE HORN WAS INOPERABLE. THE SUN VISORS WOULD NOT REMAIN IN THE CLOSED, UPRIGHT POSITION AND THE DRIVER SIDE CHILD DOOR LOCK WOULD NOT UNLATCH. IN ADDITION, THE SAFETY LOCK FOR THE TRUNK WOULD DETACH AND CAUSE THE TRUNK TO OCCASIONALLY FLY OPEN WHILE DRIVING. THE CONTACT STATED THAT THE VEHICLE WOULD CONSTANTLY BREAK DOWN AND THE DEALER WOULD NOT REPAIR THE VEHICLE. THE MANUFACTURER WAS CONTACTED WHO SENT HER TO A SECOND DEALER FOR THE REPAIRS. THE FAILURE MILEAGE WAS 10,000 AND THE CURRENT MILEAGE WAS 54,800.

NHTSA ID
10396939
Incident
Sep 18, 2008
Mileage
10,000 mi
Electrical
Filed Mar 22, 2010

I CALLED KIA ROADSIDE ASSISTANCE WHEN LOCKED MY KEYS IN THE TRUCK OF MY 2008 KIA OPTIMA ACCIDENTLY. WHEN HE USED HIS INSTRUMENT TO OPEN THE DRIVER'S DOOR, THE ANTI-THEFT ALARM SOUNDED. HE WAITED UNTIL IT STOPPED AND ATTEMPTED TO OPEN THE TRUNK WITH THE RELEASE BUT IT WOULD NOT OPERATE DUE TO THE CAR SHUUTING DOWN. WHEN I GOT IN THE VEHICLE AND CLOSED THE DOOR IT LOCKED AGAIN AND I WAS NOT ABLE TO GET OUT. I WAS LITERALLY TRAPPED INSIDE MY CAR. THERE IS NO WAY TO ACCESS THE TRUNK FROM THE INSIDE. YOU CAN ONLY FOLD THE BACK SEAT DOWN BY USING A RELEASE FOUND ONLY INSIDE OF THE TRUNK. IF I HAD BEEN ALONE OR THE DRIVER HAD LEFT, I WOULD HAVE BEEN TRAPPED INSIDE OF MY VEHICLE WITH NO MEANS OF EXIT. THE ANTI-THEFT DEVICCE MAY PROTECT THE CAR FROM BEING STOLEN BUT IT SURE DOES NOTHING TO PROTECT THE CONSUMER. WHAT WOULD HAVE HAPPENED IF I HAD A BABY INSIDE WITH ME OR IT WAS 100 DEGREES OUTSIDE AND I COULD NOT UNLOCK THE DOORS TO GET OUT? I CONTACTED THE DEALERSHIP WHERE I PURCHASED THE CAR AND WAS PROMPTLY TOLD THAT IT WAS REALLY MY FAULT FOR LOCKING MY KEYS IN THE TRUNK IN THE FIRST PLACE. THE ALSO EXPLAINED THAT THE 'NO ACCESS TO THE TRUNK FROM THE INSIDE' IS TO PROTECT AGAINST THIEVES BREAKING INTO MY CAR AND ENTERING THE TRUNK THROUGH THE BACKSEAT AND STEAL SOMETHING SUCH AS MY SUITCASE. WELL, I THINK IT WOULD BE EASIER TO REPLACE A SUITCASE THAN MY LIFE OR THE LIFE OF A CHILD. NEEDLESS TO SAY, I DEFINITELY DON'T FEEL SAFE DRIVING THIS CAR!

NHTSA ID
10321315
Incident
Mar 19, 2010
ElectricalExterior lighting
Filed Dec 4, 2008

CONSUMER STATES THAT THE VEHICLE HEADLIGHTS DIM AT LOW SPEEDS AND WHEN APPLYING THE BRAKES OR JUST SLOWING DOWN. *NJ THE CONSUMER WAS INFORMED IT WAS THE DESIGN OF THE VEHICLE. *JB

NHTSA ID
10251332
Incident
Jan 1, 1901
AirbagsElectrical
Filed Jul 2, 2008

TL*THE CONTACT OWNS A 2008 KIA OPTIMA. WHILE THE VEHICLE WAS IDLING OR IN MOTION, THE AIR BAG WARNING LIGHT WOULD ILLUMINATE ON THE INSTRUMENT PANEL, WHICH INDICATED THAT IT WAS DEACTIVATED. THE FRONT PASSENGER SIDE AIR BAG SENOR DOES NOT OPERATE WHEN THE OCCUPANT SEATED IN THE PASSENGER SEAT WEIGHS LESS THAN 105 POUNDS. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER AND THEY STATED THAT THE SENSOR WAS OPERATING PROPERLY. THE FAILURE CONTINUED AND THE CONTACT WAS CONCERNED OF THE SAFETY RISK INVOLVED WITH THE AIR BAG. THE FAILURE MILEAGE WAS 50 AND CURRENT MILEAGE WAS 450.

NHTSA ID
10233048
Incident
Jun 24, 2008
Mileage
50 mi

Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.

Other components reported on this vehicle

Categories with enough reports to have a page of their own

Elsewhere on this vehicle

Data sources

Data on this page last refreshed .