FaultScore

FaultScore report

2004 KIA Optima problems

Owners have filed 306 complaints about the 2004 KIA Optima with NHTSA between 2003 and 2025. The largest single group is the doors, latches & locks. Across this model's run it ranks 17 of 20 worst.

B

FaultScore 35/100

Higher is worse. Measured against the other years of the KIA Optima.

How this is worked out

The numbers

306

Complaints

14

Crashes reported

4

Fires reported

9

Injuries reported

80,034 mi

Median mileage at failure

Half of reported failures happened before this

20%

Failed under 36,000 miles

Inside a typical bumper-to-bumper warranty

What kind of bad

The letter says how bad. This says what kind — whether this year drew an unusual number of complaints, unusually dangerous ones, or failures that arrived unusually early.

Complaint volume 30 vs 50 Severity 46 vs 50 Early failure 33 vs 50
The dashed ring is 50 — the national norm. Further out is worse.
Complaint volume — 30
Against the median year of the KIA Optima. 50 means typical for this model; 100 means roughly double.
Severity — 46
8.8% of these complaints involved a crash, fire, injury or death, against a national rate of 9.7%.
Early failure — 33
20% of failures with a mileage on record happened under 36,000 miles, against a national rate of 29%.

How 2004 compares with every other KIA Optima

Click any bar to open that year's report.

Complaints filed with NHTSA, by model year. Bar colour is the FaultScore grade: A B C D F ungraded

What breaks on a 2004 KIA Optima

Every complaint is filed against a part. Follow any row for the complaints about that part alone.

Median failure at 92,000 miles

2 crashes, 3 fires · median 85,000 mi

Body & Structure 42 13.7%

1 crashes, 0 fires · median 103,900 mi

Airbags 26 8.5%

3 crashes, 0 fires · median 57,500 mi

Suspension 19 6.2%

1 crashes, 0 fires · median 68,954 mi

Median failure at 37,341 miles

Median failure at 88,500 miles

1 crashes, 0 fires · median 75,600 mi

Brakes 8 2.6%

1 crashes, 0 fires · median 4,532 mi

Transmission & Drivetrain 8 2.6%

1 crashes, 0 fires · median 22,100 mi

Equipment & Accessories 7 2.3%

1 crashes, 1 fires · median 66,248 mi

Steering 7 2.3%

1 crashes, 0 fires · median 35,000 mi

Seat Belts 6 2.0%

Median failure at 98,500 miles

Lights 5 1.6%

Median failure at 34,597 miles

Acceleration & Cruise Control 5 1.6%

1 crashes, 0 fires · median 51,000 mi

Wheels 4 1.3%

1 crashes, 0 fires · median 85,854 mi

Stability & Traction Control 2 0.7%

Median failure at 107,700 miles

Tires 2 0.7%

Median failure at 71,179 miles

Driver Assist & Collision Avoidance 1 0.3%
Seats 1 0.3%

Median failure at 70,000 miles

Windows, Mirrors & Wipers 1 0.3%

Median failure at 10,000 miles

Exactly what failed

NHTSA files every complaint against a named sub-assembly, not just a system. This is the difference between knowing it was "the engine" and knowing which part of it — the list to hand a mechanic.

Body 28 42.4%
Latch 8 12.1%
Door 8 12.1%
Front 7 10.6%
Frame AND Members 6 9.1%
Rotor 3 4.5%
Fuel Pump 3 4.5%
Frontal 3 4.5%

When it fails

Odometer readings owners gave when they filed. About half of all complaints include one.

Under 1,000 miles 13 5.2%
1,000 – 9,999 miles 10 4.0%
10,000 – 24,999 miles 15 6.0%
25,000 – 49,999 miles 26 10.4%
50,000 – 74,999 miles 45 17.9%
75,000 – 99,999 miles 55 21.9%
100,000 – 149,999 miles 76 30.3%
150,000+ miles 11 4.4%

NHTSA crash tests

The agency crash-tested this model year itself. These are its own photographs and star ratings.

These stars come from the pre-2011 crash test programme. NHTSA rebuilt the programme for the 2011 model year and states that ratings either side of that change are not comparable — so do not read these against a 2011-or-newer car's stars.

Side barrier crash test of a 2004 Kia Optima 4-DR w/SAB

Side barrier crash test

Photographs taken by NHTSA during its own New Car Assessment Program crash tests of this model year. Public domain.
Configuration Overall Front Side Rollover
2004 Kia Optima 4-DR w/SAB

When owners complained

A spike years after the car went on sale usually means a part wearing out on schedule across the whole fleet — the kind of pattern no single owner can see from inside their own car.

Dec 2003 peak 10 Feb 2025

Recalls on the 2004 KIA Optima

A complaint is one owner's allegation. A recall is the point at which the manufacturer or a regulator agreed the defect is real and dangerous enough to fix for free — however old the car is.

United States — NHTSA

09V183000

SUSPENSION:FRONT

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.

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

Recalls cover specific build ranges, so check your own vehicle by VIN at nhtsa.gov/recalls or, in Canada, Transport Canada.

Complaints that involved harm

Reports where the owner recorded a crash, a fire, an injury or a death.

at 57,000 miles Wheeling, WV Crash 1 injured

AIR BAGS

TL* THE CONTACT OWNED A 2004 KIA OPTIMA. WHILE DRIVING 25 MPH, ANOTHER VEHICLE CRASHED INTO THE CONTACT'S VEHICLE FROM THE FRONT. THE PASSENGER SIDE AIR BAGS FAILED TO DEPLOY. A POLICE REPORT WAS FILED. THE CONTACT SUSTAINED STOMACH AND CHEST INJURIES THAT REQUIRED MEDICAL ATTENTION. THE VEHICLE WAS NOT TAKEN TO THE DEALER. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE VEHICLE WAS DESTROYED. THE MANUFACTURER WAS NOT CONTACTED. THE VIN WAS UNKNOWN. THE APPROXIMATE FAILURE MILEAGE WAS 57,000.

NHTSA complaint #11062981 — an unverified report by a vehicle owner.

at 91,000 miles Pinellas Park, FL 1 injured

AIR BAGS

THE AIR BAG WENT OFF WHILE MY WIFE WAS REACHING FOR HER SEAT BELT AND SCRAPPED AND BURNED HER ARM. IT SOUNDED LIKE A GUN GOING OFF. I RUSHED HER HOME AND TOOK CARE OF HER WOUNDS

NHTSA complaint #10945179 — an unverified report by a vehicle owner.

Fort Worth, TX Crash 1 injured

AIR BAGS

TL* THE CONTACT OWNED A 2004 KIA OPTIMA. WHILE DRIVING AT AN UNKNOWN SPEED, AN ABNORMAL CLICKING NOISE EMITTED FROM THE VEHICLE. THE POWER STEERING FAILED AND THE WHEELS SHOOK VIOLENTLY. THE BRAKES FAILED TO STOP THE VEHICLE AND IT CRASHED INTO A WALL. THE AIR BAGS DEPLOYED AND AN UNKNOWN SUBSTANCE EMITTED INTO THE CONTACTS EYES. THE CONTACT SUSTAINED BURNS TO THE BODY AND LACERATIONS TO BOTH EYES THAT REQUIRED MEDICAL ATTENTION. A POLICE REPORT WAS FILED. THE VEHICLE WAS TOWED AND DEEMED DESTROYED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE VIN AND FAILURE MILEAGE WERE UNKNOWN. UPDATED 09/23/16*LJ

NHTSA complaint #10895163 — an unverified report by a vehicle owner.

Fort Worth, TX Crash 1 injured

STEERING

TL* THE CONTACT OWNED A 2004 KIA OPTIMA. WHILE DRIVING AT AN UNKNOWN SPEED, AN ABNORMAL CLICKING NOISE EMITTED FROM THE VEHICLE. THE POWER STEERING FAILED AND THE WHEELS SHOOK VIOLENTLY. THE BRAKES FAILED TO STOP THE VEHICLE AND IT CRASHED INTO A WALL. THE AIR BAGS DEPLOYED AND AN UNKNOWN SUBSTANCE EMITTED INTO THE CONTACTS EYES. THE CONTACT SUSTAINED BURNS TO THE BODY AND LACERATIONS TO BOTH EYES THAT REQUIRED MEDICAL ATTENTION. A POLICE REPORT WAS FILED. THE VEHICLE WAS TOWED AND DEEMED DESTROYED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE VIN AND FAILURE MILEAGE WERE UNKNOWN. UPDATED 09/23/16*LJ

NHTSA complaint #10895163 — an unverified report by a vehicle owner.

Fort Worth, TX Crash 1 injured

SERVICE BRAKES

TL* THE CONTACT OWNED A 2004 KIA OPTIMA. WHILE DRIVING AT AN UNKNOWN SPEED, AN ABNORMAL CLICKING NOISE EMITTED FROM THE VEHICLE. THE POWER STEERING FAILED AND THE WHEELS SHOOK VIOLENTLY. THE BRAKES FAILED TO STOP THE VEHICLE AND IT CRASHED INTO A WALL. THE AIR BAGS DEPLOYED AND AN UNKNOWN SUBSTANCE EMITTED INTO THE CONTACTS EYES. THE CONTACT SUSTAINED BURNS TO THE BODY AND LACERATIONS TO BOTH EYES THAT REQUIRED MEDICAL ATTENTION. A POLICE REPORT WAS FILED. THE VEHICLE WAS TOWED AND DEEMED DESTROYED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE VIN AND FAILURE MILEAGE WERE UNKNOWN. UPDATED 09/23/16*LJ

NHTSA complaint #10895163 — an unverified report by a vehicle owner.

Aurora, CO Crash Fire

ELECTRICAL SYSTEM

ALMOST DIED IN AN ACCIDENT TATE KIA DID NOT ALLOW ME TO LEAVE THE THROUGH MY DOOR. I WAS HIT ONE MY PASSENGER SIDE NOT ALLOWING MY ESCAPE THROUGH THAT SIDE OF THE VEHICLE AND I NEEDED TO CRAWL THROUGH TO THE BACK OF THE VEHICLE TO ESCAPE. MY DRIVERS SIDE DOOR LOCK MALFUNCTIONED BECAUSE OF WEAR ON A COMMONLY KNOW PART. THIS SHOULD NOT BE CONSIDERED NORMAL WEAR AND TEAR CONSIDERING MY 1967 CAMERO STILL HAS FUNCTIONING LOCKS AND 50 YRS OLDER. I SEE NOT REASON AS TO WHY A 11 YR OLD VEHICLE HAS NON FUNCTIONING LOCKING EQUIPMENT AND I HAVE OWNED VARIOUS OTHER CARS WITHOUT A PROBLEM LIKE THIS MALFUNCTION THAT SEEMS ONLY TOO OBVIOUS OF AN AMERICAN SAFETY CONCERN. THIS SEEMS LIKE A MANDATORY RECALL FOR SUCH AN IMPORTANT FUNCTION OF A VEHICLE TO BE ABLE TO EVEN "GET IN" OR "GET OUT" OF THE CAR. SIMPLE CONCEPT! WON'T EVEN BE ABLE TO OPERATE THE VEHICLE IF I CAN'T GET IN IT OR SLEEP IN MY APARTMENT IF I CAN'T GET OUT OF IT. HUH? THE WEB IS FULL OF THESE COMPLAINTS AND NEAR LIFE DISASTERS BECAUSE OF THIS MALFUNCTION. SEEMS LIKE THIS IS A PROBLEM THAT PEOPLE WANT RESOLUTION INCLUDING MYSELF! IF THERE ARE SO MANY PEOPLE AWARE OF THIS PROBLEM ONLINE AND THEY HAVE REGULAR JOBS NO SLATED TO THE TASK OF HIGHWAY SAFETY. HOW IS IT THAT YOUR AGENCY SLATED WITH THE TASK OF THIS IMPORTANT JOB HAS NOT DONE ANYTHING TO FIX THIS PROBLEM. THIS ISSUE HAS NOW SPAN SEVERAL YEARS OF THESE VEHICLES AND VARIOUS MODELS. SEEMS TO ME THAT SOMEONE, REFERRING TO YOUR AGENCY IS NOT DOING THEIR JOB VERY WELL AT ALL AND NEEDS TO WAKE UP CONCERNING THIS ISSUE WITH THE KIA MANUFACTURER TO FIX THIS VERY DANGEROUS PROBLEM. GET TO ITS BOYS AND GIRLS AND GET THIS DONE, BECAUSE FAMILIES DEPEND ON YOU TO DO THE RIGHT THING FOR OUR WELL BEING. SCENARIO: CAR STARTS ON FIRE.......CAN'T OPEN DOOR....DEAD.......A DUH!!!!!!!! MAKE SENSE? YEAH! GOOD! THEY HAVE CREATED A DEATH TRAP. FIX IT!!!!!!

NHTSA complaint #10702345 — an unverified report by a vehicle owner.

The most recent complaints

In the owners' own words, exactly as filed with NHTSA.

Niagara Falls, NY

SUSPENSION

Had some noise coming from the front of the car, had my mechanic look at it, he said we needed a control arm. When he took off the cover to replace the control arm, he found the sub frame had rotten and was cracking. As I looked online, I saw that KIA had a recall for this issue. When I contacted KIA, their response was "as my car is not under warranty, they are not required to repair the car" The car in question has 70, 558 miles on it. We are the 2nd owner.

NHTSA complaint #11642022 — an unverified report by a vehicle owner.

Sunnyside, WA

STRUCTURE:BODY

Door lock/unlock mechanism has failed. Unable to unlock and open door from outside or inside. This defect causes the door to stay locked and unable to open. This can trap people inside of the car if they are unable to crawl out a window or exit from another door. There are many reports of this on Kia forums and general Google search. There was no warning that this part was wearing out until it became impossible to open the door.

NHTSA complaint #11480899 — an unverified report by a vehicle owner.

at 145,000 miles Beaverton, OR

FUEL SYSTEM, GASOLINE

The contact owns a 2004 Kia Optima. The contact stated that after refueling, the vehicle would not start. The vehicle was not taken to a local dealer. Upon investigation, the contact associated the failure with NHTSA Campaign Number: 04V180000 (Fuel System, Gasoline) however, the VIN was not included. The manufacturer was informed of the failure and confirmed that the vehicle was not included in a recall. The failure mileage was approximately 145,000.

NHTSA complaint #11452262 — an unverified report by a vehicle owner.

Jamestown, NY

AIR BAGS

I WAS REPAIRING BRAKELINES, WHILE OBSERVING UNDER CARRIAGE I NOTICED SUSPENSION RUST, FRAME. LOOKED UP RECALLS AND THIS IS ONE. I INCLUDED SCREENSHOT OF PROOG

NHTSA complaint #11405889 — an unverified report by a vehicle owner.

Jamestown, NY

SUSPENSION

I WAS REPAIRING BRAKELINES, WHILE OBSERVING UNDER CARRIAGE I NOTICED SUSPENSION RUST, FRAME. LOOKED UP RECALLS AND THIS IS ONE. I INCLUDED SCREENSHOT OF PROOG

NHTSA complaint #11405889 — an unverified report by a vehicle owner.

Jamestown, NY

LANE DEPARTURE: WARNING

I WAS REPAIRING BRAKELINES, WHILE OBSERVING UNDER CARRIAGE I NOTICED SUSPENSION RUST, FRAME. LOOKED UP RECALLS AND THIS IS ONE. I INCLUDED SCREENSHOT OF PROOG

NHTSA complaint #11405889 — an unverified report by a vehicle owner.

at 102,500 miles Tigard, OR

VEHICLE SPEED CONTROL

WHILE DRIVING ON A HIGHWAY WITH CRUISE CONTROL ACTIVE, I WAS UNABLE TO TURN OFF THE CRUISE CONTROL WITH THE STEERING WHEEL CONTROL BUTTONS. THE CANCEL AND SET BUTTONS HAD NO EFFECT WHEN PRESSED. THE CAR REMAINED TRAVELING AT THE SET SPEED. TAPPING ON THE BRAKE PEDAL DID CANCEL THE CRUISE CONTROL.

NHTSA complaint #11172999 — an unverified report by a vehicle owner.

at 121,000 miles Aiken, SC

STRUCTURE:BODY

WHILE STATIONARY - DRIVER'S SIDE DOOR WILL NOT OPEN FROM INSIDE OR OUTSIDE WITH KEY, MANUAL LOCK OR ELECTRONIC LOCK CONTROLS (STUCK CLOSED). UNABLE TO EVACUATE CAR FROM DRIVER'S SIDE. SAFETY CONCERN - LACK OF EGRESS

NHTSA complaint #11081243 — an unverified report by a vehicle owner.

at 57,000 miles Wheeling, WV Crash 1 injured

AIR BAGS

TL* THE CONTACT OWNED A 2004 KIA OPTIMA. WHILE DRIVING 25 MPH, ANOTHER VEHICLE CRASHED INTO THE CONTACT'S VEHICLE FROM THE FRONT. THE PASSENGER SIDE AIR BAGS FAILED TO DEPLOY. A POLICE REPORT WAS FILED. THE CONTACT SUSTAINED STOMACH AND CHEST INJURIES THAT REQUIRED MEDICAL ATTENTION. THE VEHICLE WAS NOT TAKEN TO THE DEALER. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE VEHICLE WAS DESTROYED. THE MANUFACTURER WAS NOT CONTACTED. THE VIN WAS UNKNOWN. THE APPROXIMATE FAILURE MILEAGE WAS 57,000.

NHTSA complaint #11062981 — an unverified report by a vehicle owner.

at 114,000 miles ELK Grove, CA

ELECTRICAL SYSTEM

UNABLE TO OPEN PASSENGER DOOR DUE TO DOOR LOCK ACTUATOR STOPPED WORKING. UNSAFE TO DRIVE.

NHTSA complaint #11056254 — an unverified report by a vehicle owner.

at 48,000 miles Medina, OH

STRUCTURE:BODY

TL* THE CONTACT OWNS A 2004 KIA OPTIMA. WHEN THE VEHICLE WAS TAKEN TO BILL DORATY KIA (2925 MEDINA RD, MEDINA, OH 44256, (330) 721-9500) FOR ROUTINE BRAKE SERVICE, THE TECHNICIAN FOUND A CRACK IN THE FRONT FRAME. THE DEALER STATED THAT THE VEHICLE WAS SAFE TO DRIVE AT THAT TIME. THE CONTACT WAS INFORMED THAT THE FRAME WOULD NEED TO BE REPLACED, BUT NO REPAIRS WERE MADE. SINCE WINTER WAS APPROACHING, THE CONTACT WAS CONCERNED THAT THE FRAME WOULD COMPLETELY CRACK DUE TO THE WEATHER AND SALTED ROADWAYS IN HER STATE. THE CONTACT RECEIVED A MANUFACTURER RECALL AND EXTENDED WARRANTY NOTICES IN 2009. THE VEHICLE WAS TAKEN TO THE DEALER, BUT NO ISSUES WERE FOUND. THE DEALER SENT PICTURES OF THE CRACKED FRAME TO THE MANUFACTURER. THE MANUFACTURER WAS NOTIFIED AND ISSUED CASE NUMBER: 2560103. THE MANUFACTURER STATED THAT THEY WOULD CONTACT THE LOCAL DEALER. THE CONTACT WAS AWAITING A CALL BACK FROM THE MANUFACTURER AND DEALER. THE FAILURE MILEAGE WAS APPROXIMATELY 48,000.

NHTSA complaint #11051307 — an unverified report by a vehicle owner.

at 120,000 miles Wheeling, IL

STRUCTURE:BODY

DRIVER DOOR DOES NOT OPEN FROM INSIDE NOR FROM OUTSIDE. WHEN UNLOCKING THE DOORS, ALL DOORS WILL OPEN EXCEPT THE DRIVER'S DOOR. CENTER LOCK MECHANISM OR MANUAL USE OF KEYS DOES NOT HELP. THIS IS WITHOUT A DOUBT A SAFETY PROBLEM WHERE DRIVER CAN BE TRAPPED IN THE CAR IN CASE OF EMERGENCY. THIS IS VERY COMMON IN KIA OPTIMA MODELS.

NHTSA complaint #10981452 — an unverified report by a vehicle owner.

at 25,800 miles Waukesha, WI

UNKNOWN OR OTHER

CANNOT ADD FUEL BECAUSE THE PUMP STOPS FROM FILLING UP THE TANK. IT TOOK ME ABOUT 7 TIMES TO GET IN $7 WORTH OF GAS. EVEN THOUGH THIS CAR ONLY HAS 25,830 MILES ON IT. IT HAS HARDLY BEEN USED. WE PUT GAS IN ABOUT EVERY 3 OR 4 WEEKS - NOT THAT OFTEN.

NHTSA complaint #10968309 — an unverified report by a vehicle owner.

at 57,000 miles Bedford, NH

SUSPENSION

TL* THE CONTACT OWNS A 2004 KIA OPTIMA. THE CONTACT STATED THAT THE VEHICLE FAILED INSPECTION DUE TO SEVERE CORROSION OF THE SUBFRAME. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE CONTACT REFERENCED NHTSA CAMPAIGN NUMBER: 09V183000 (SUSPENSION) AS A POSSIBLE SOLUTION TO THE FAILURE; HOWEVER, THE VIN WAS NOT INCLUDED. THE FAILURE MILEAGE WAS APPROXIMATELY 57,000. ..UPDATED 05/05/17 *BF

NHTSA complaint #10956326 — an unverified report by a vehicle owner.

at 163,000 miles Mountlake Terrace, WA

ENGINE

TL* THE CONTACT OWNS A 2004 KIA OPTIMA. WHILE DRIVING APPROXIMATELY 20 MPH, THE VEHICLE LOST POWER AND SEVERAL INDICATORS ILLUMINATED ON THE INSTRUMENT PANEL. THE VEHICLE SHUT DOWN AND WAS PUSHED TO THE SIDE OF THE ROAD WITH THE HELP OF THE STATE HIGHWAY PATROL. THE VEHICLE WAS LATER TOWED TO AN INDEPENDENT MECHANIC WHO DIAGNOSED THAT THE TIMING BELT FRACTURED AND THE ENGINE NEEDED TO BE REPLACED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE, BUT DID NOT OFFER ANY ASSISTANCE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS APPROXIMATELY 163,000.

NHTSA complaint #10955343 — an unverified report by a vehicle owner.

at 91,000 miles Pinellas Park, FL 1 injured

AIR BAGS

THE AIR BAG WENT OFF WHILE MY WIFE WAS REACHING FOR HER SEAT BELT AND SCRAPPED AND BURNED HER ARM. IT SOUNDED LIKE A GUN GOING OFF. I RUSHED HER HOME AND TOOK CARE OF HER WOUNDS

NHTSA complaint #10945179 — an unverified report by a vehicle owner.

at 178,000 miles O' Connel, WI

STRUCTURE:BODY

TL* THE CONTACT OWNS A 2004 KIA OPTIMA. THE CONTACT HEARD AN ABNORMAL LOUD SOUND FROM THE VEHICLE WITHOUT WARNING. THE VEHICLE WAS TAKEN TO AN INDEPENDENT DEALER WHERE IT WAS DIAGNOSED THAT THE FRAME FAILED. THE VEHICLE WAS SERVICED PER AN UNKNOWN RECALL; HOWEVER, THE REMEDY FAILED TO REPAIR THE VEHICLE. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 178,000.

NHTSA complaint #10943813 — an unverified report by a vehicle owner.

at 101,000 miles Fredonia, NY

STRUCTURE:BODY:DOOR

TL* THE CONTACT OWNS A 2004 KIA OPTIMA. THE CONTACT STATED THAT THE DRIVER'S SIDE DOOR FAILED TO UNLOCK. THE CONTACT WAS ABLE TO GAIN ACCESS AFTER SEVERAL ATTEMPTS. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 101,000.

NHTSA complaint #10934627 — an unverified report by a vehicle owner.

at 101,000 miles Fredonia, NY

LATCHES/LOCKS/LINKAGES

TL* THE CONTACT OWNS A 2004 KIA OPTIMA. THE CONTACT STATED THAT THE DRIVER'S SIDE DOOR FAILED TO UNLOCK. THE CONTACT WAS ABLE TO GAIN ACCESS AFTER SEVERAL ATTEMPTS. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 101,000.

NHTSA complaint #10934627 — an unverified report by a vehicle owner.

at 124,560 miles Placerville, CA

UNKNOWN OR OTHER

DRIVER'S DOOR LOCKING SYSTEM WILL NOT UNLOCK, ALL OTHERS DO. THE DOOR LOCKS ITSELF IMMEDIATELY AS YOU TRY TO UNLOCK EITHER WITH THE KEY (OUTSIDE) OR PRESSING THE CENTRAL LOCK BUTTON (WHEN INSIDE). THIS WOULD BE A SERIOUS PROBLEM IF THE CAR WAS INVOLVED IN AN ACCIDENT AND/OR FIRE WAS AN ISSUE. RIGHT NOW IT IS INCONVENIENT TO CLIMB OVER THE CENTER CONSOLE. I SEE THIS IS NOT THE FIRST COMPLAINT ON THIS SUBJECT AND THE PROBLEM SEEMS ENDEMIC TO THIS CAR. THE PROBLEM STARTED INTERMITTENTLY FROM SEPTEMBER 2016 AND NOW IS PERMANENT AS OF NOVEMBER 30.

NHTSA complaint #10930021 — an unverified report by a vehicle owner.

at 87,000 miles Wesley Chapel, FL

AIR BAGS

AIR BAG LIGHT ON DASHBOARD STAYS ON, STARTED TWO DAYS A GO.

NHTSA complaint #10920049 — an unverified report by a vehicle owner.

at 105,000 miles Lombard, IL

STRUCTURE:BODY

PASSENGER AND DRIVER DOOR LOCKS WILL NOT UNLOCK 85% OF THE TIME, PREVENTING NORMAL ENTRY TO / EXIT FROM THE VEHICLE. MULTIPLE ATTEMPTS USING THE KEY IN THE DOOR LATCH ARE REQUIRED TO GAIN ENTRY THE OTHER 15% OF THE TIME. THIS IS A HUGE SAFETY ISSUE IN CASE OF CRASH, FIRE, OR CARJACKING. INTERNET RESEARCH SHOWS THIS TO BE A COMMON ISSUE AROUND 100K MILES. THIS SHOULD BE A RECALL EVENT...

NHTSA complaint #10913613 — an unverified report by a vehicle owner.

at 126,000 miles LOS Fresnos, TX

SEAT BELTS

MY AIR BAG LIGHT COMES ON THERE'S NO WIRES DISCONNECTED UNDER THE SEAT AND MY SEAT BELTS DO NOT RETRACT WELL ALSO MY DOOR LOCKS ARE GETTING STUCK IN LOCK MODE AND MY ENGINE COMES ON AND THEN GOES OFF.AFTER AWHILE.WHEN IN PARK

NHTSA complaint #10903189 — an unverified report by a vehicle owner.

at 126,000 miles LOS Fresnos, TX

AIR BAGS

MY AIR BAG LIGHT COMES ON THERE'S NO WIRES DISCONNECTED UNDER THE SEAT AND MY SEAT BELTS DO NOT RETRACT WELL ALSO MY DOOR LOCKS ARE GETTING STUCK IN LOCK MODE AND MY ENGINE COMES ON AND THEN GOES OFF.AFTER AWHILE.WHEN IN PARK

NHTSA complaint #10903189 — an unverified report by a vehicle owner.

at 126,000 miles LOS Fresnos, TX

ELECTRONIC STABILITY CONTROL (ESC)

MY AIR BAG LIGHT COMES ON THERE'S NO WIRES DISCONNECTED UNDER THE SEAT AND MY SEAT BELTS DO NOT RETRACT WELL ALSO MY DOOR LOCKS ARE GETTING STUCK IN LOCK MODE AND MY ENGINE COMES ON AND THEN GOES OFF.AFTER AWHILE.WHEN IN PARK

NHTSA complaint #10903189 — an unverified report by a vehicle owner.