FaultScore

FaultScore report

2024 KIA Carnival problems

Owners have filed 93 complaints about the 2024 KIA Carnival with NHTSA between 2023 and 2026. The largest single group is the other & unspecified. Across this model's run it ranks 3 of 5 worst.

D

FaultScore 66/100

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

How this is worked out

The numbers

93

Complaints

3

Crashes reported

0

Fires reported

12

Injuries reported

3,500 mi

Median mileage at failure

Half of reported failures happened before this

100%

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 43 vs 50 Severity 83 vs 50 Early failure 100 vs 50
The dashed ring is 50 — the national norm. Further out is worse.
Complaint volume — 43
Against the median year of the KIA Carnival. 50 means typical for this model; 100 means roughly double.
Severity — 83
16.1% of these complaints involved a crash, fire, injury or death, against a national rate of 9.7%.
Early failure — 100
100% of failures with a mileage on record happened under 36,000 miles, against a national rate of 29%.

How 2024 compares with every other KIA Carnival

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 2024 KIA Carnival

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

Engine & Cooling 8 8.6%

Median failure at 3,500 miles

Seats 7 7.5%

Median failure at 500 miles

Steering 7 7.5%

1 crashes, 0 fires · median 7,000 mi

Fuel & Propulsion 6 6.5%
Body & Structure 6 6.5%

Median failure at 25,000 miles

Driver Assist & Collision Avoidance 4 4.3%
Windows, Mirrors & Wipers 3 3.2%
Airbags 3 3.2%

1 crashes, 0 fires

Seat Belts 2 2.2%
Acceleration & Cruise Control 2 2.2%

Median failure at 3,500 miles

Brakes 2 2.2%

1 crashes, 0 fires

Transmission & Drivetrain 2 2.2%
Child Seats 1 1.1%
Doors, Latches & Locks 1 1.1%

Median failure at 35,815 miles

Wheels 1 1.1%
Lights 1 1.1%

When it fails

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

Under 1,000 miles 3 37.5%
1,000 – 9,999 miles 3 37.5%
25,000 – 49,999 miles 2 25.0%

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.

Jun 2023 peak 7 Aug 2026

Recalls on the 2024 KIA Carnival

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

26V232000

FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS

Kia America, Inc. (Kia) is recalling certain 2022-2026 Carnival vehicles. Fuel may leak at the pipe connection between the fuel pipe and fuel rail.

Risk: A fuel leak increases the risk of a fire.

24V025000

STRUCTURE:BODY:ROOF AND PILLARS

Kia America, Inc. (Kia) is recalling certain 2023-2024 Sportage and 2022-2024 Carnival vehicles. The roof molding may loosen and detach.

Risk: A detached roof molding can create a road hazard for other vehicles, increasing the risk of a crash.

Canada — Transport Canada

Canada runs its own recall programme, and its campaigns do not always mirror the American ones.

Recall 2026186 17,873 units in Canada

Fuel System

Issue: On certain vehicles, the nuts for the crossover fuel pipe may not have been properly tightened. As a result, fuel could leak. Safety Risk: A fuel leak can create the risk of a fire. Corrective Actions: Kia will notify owners by mail and advise you to take your vehicle to a dealership to inspect and tighten the nuts or replace the high-pressure crossover fuel pipe, as necessary.

Recall 2024549 647,384 units in Canada

Label

Issue: On certain vehicles, the compliance label may be missing information in French. The words listed on the label for "Tires", "Rims", "Front" and "Rear" appear in English only, when they should be listed as "Tires/Pneus", "Rims/Jantes", "Front/Avant" and "Rear/Arriere". Canadian regulations require this information to be listed on the label in both English and French. Safety Risk: These small errors do not affect vehicle safety. Corrective Actions: This is not a recall. Kia has corrected the compliance label for all new vehicles.

Recall 2024023 3,892 units in Canada

Structure

Issue: On certain vehicles, the roof trim may not be properly attached. As a result, the roof trim could loosen and separate from the vehicle. Safety Risk: Roof trim that detaches from the vehicle could create a road hazard for others and increase the risk of a crash. Corrective Actions: Kia will notify owners by mail and advise you to take your vehicle to a dealership to inspect and, if necessary, secure or replace the roof trim.

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 35,815 miles Whitesville, WV 1 injured

LATCHES/LOCKS/LINKAGES:DOORS:LATCH

The contact owns a 2024 Kia Carnival. The contact stated that while her husband was loading the child into the car seat. The rear button for the door was depressed by the child. The husband became stuck in between the sliding doors. No warning lights were illuminated. The contact sustained injuries to his previously injured rotary cuff, but medical attention was not provided. The local dealer was not contacted. The vehicle was not diagnosed or repaired. The manufacturer was not contacted. The failure mileage was approximately 35,815.

NHTSA complaint #11736945 — an unverified report by a vehicle owner.

Philadelphia, PA 1 injured

SEATS

On 11/12, my 2024 Kia Carnival was parked as my children were getting settled in the vehicle. My son lifted the second-row passenger seat on the passenger side using the handle provided to access the third row. As he did so, the seatback suddenly collapsed forward with unexpected speed and force and locked in the forward position. Nothing broke, and the mechanism did not appear to jam. The seat moved along its normal path, but it did so so aggressively that it crushed my [XXX] daughter’s left leg while she was strapped into her car seat directly next to it. She was asleep, the car was not moving, and the seat feature was being used in a normal way to access the third row. The force of the collapsing seat fractured her left tibia, confirmed by X-ray. She is currently in a medical boot and under a doctor’s care. This vehicle has no accident history and no modifications. We have multiple witnesses (myself and our children), photos of the injury, and a video that shows how fast and forcefully the seat folds. This presents a serious safety risk in a family vehicle where children commonly sit behind folding second-row seats. A seat access mechanism should not be capable of moving with enough force to break a toddler’s bone in a parked vehicle. I am requesting that NHTSA investigate this seat design and its operation in the 2024 Kia Carnival. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

NHTSA complaint #11704247 — an unverified report by a vehicle owner.

Howell, NJ 1 injured

FUEL SYSTEM, GASOLINE

The contact owns a 2024 Kia Carnival. The contact stated that while driving at various speeds, an abnormal gas odor would emit through the vehicle's ventilation system. The contact notified a local dealer, and an appointment was made to have the vehicle serviced. The vehicle was inspected, and the contact was informed that there was likely bacteria growing inside the vehicle, which caused the odor. The contact disputed this claim and recommended that the air filters be replaced; the contact paid for the repair. Despite the repair, the contact stated that the fuel odor had become a chemical odor, and the vehicle was taken back to the dealer. The dealer confirmed that they had smelled a fuel odor inside the vehicle and informed the contact that she had overfilled her fuel tank with gas. While the contact also disputed this claim, the dealer later concluded that the dipstick inside the oil pan was not properly sealed, and the dealer repaired the defect. Despite the dealer's claims and repairs, the fuel odor had become stronger. The contact stated that the odor had become so severe that she went to the emergency room to be treated for nausea and lightheadedness. The contact was given medication for her symptoms. The manufacturer was notified of the failure, and the contact was given a case number. The vehicle had yet to be repaired. The failure mileage was unknown.

NHTSA complaint #11700277 — an unverified report by a vehicle owner.

Howell, NJ 1 injured

ENGINE AND ENGINE COOLING

The contact owns a 2024 Kia Carnival. The contact stated that while driving at various speeds, an abnormal gas odor would emit through the vehicle's ventilation system. The contact notified a local dealer, and an appointment was made to have the vehicle serviced. The vehicle was inspected, and the contact was informed that there was likely bacteria growing inside the vehicle, which caused the odor. The contact disputed this claim and recommended that the air filters be replaced; the contact paid for the repair. Despite the repair, the contact stated that the fuel odor had become a chemical odor, and the vehicle was taken back to the dealer. The dealer confirmed that they had smelled a fuel odor inside the vehicle and informed the contact that she had overfilled her fuel tank with gas. While the contact also disputed this claim, the dealer later concluded that the dipstick inside the oil pan was not properly sealed, and the dealer repaired the defect. Despite the dealer's claims and repairs, the fuel odor had become stronger. The contact stated that the odor had become so severe that she went to the emergency room to be treated for nausea and lightheadedness. The contact was given medication for her symptoms. The manufacturer was notified of the failure, and the contact was given a case number. The vehicle had yet to be repaired. The failure mileage was unknown.

NHTSA complaint #11700277 — an unverified report by a vehicle owner.

Aiken, SC 2 injured

UNKNOWN OR OTHER

We have a 2024 kia carnival lx trim. The power sliding door pose a serious safety risk. My [XXX] daughter was getting out of the vehicle and decided to try and climb back in as the door was closing. The door did not detect her body at all and continued to close her head in the door. She was left with a black eye and a smashed blood shot thumb from trying to get her head out of the door. A few days later I was strapping my children into their carseats and was getting ready to step out of the vehicle when my husband turned the vehicle on. The power sliding door stopped closing and started re-opening then closing again. I thought I had enough time to step out but didn't the door closed with my entire adult body in the way without detecting me there. It took for me to excessively force to door to open back up and I now have a shoulder injury from doing so. We really need these doors to be recalled and a proper sensor to be installed on them. Had my daughter been younger than she was things could have been way more serious. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

NHTSA complaint #11664731 — an unverified report by a vehicle owner.

South Milwaukee, WI 1 injured

UNKNOWN OR OTHER

Rear passenger side seat rails getting extremely hot after short time idling <15 minutes. Enough that I burned my foot tending to my infant in the middle row.

NHTSA complaint #11609009 — an unverified report by a vehicle owner.

The most recent complaints

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

Cookeville, TN

LANE DEPARTURE: BLIND SPOT DETECTION

On our 2024 KIA Carnival, which my wife is the primary driver, the blind spot warning on the passenger side does not work all the time. Driver side is 100% okay. She drives on I40 and hwy111 to and from work daily, and when passing on the left, she looks for the red triangle to let her know it is clear to get back in the right lane. It only works about 50% of the time and the dealership has worked on it three times unsuccessfully, so we put in a complaint to KIA corporate in June and they have been very unresponsive. We keep the vehicle clean, so it is not that. She just wants it to be reliable for safety reasons and it is not. It probably just takes a different set of engineering eyes to look at it but KIA seems like a dead end so far. Please help us. Thanks. BTW, the people at the dealership have been very good to us, we just believe engineers at a higher level need to solve this problem.

NHTSA complaint #11757456 — an unverified report by a vehicle owner.

Scottsdale, AZ

FUEL/PROPULSION SYSTEM

Recall SC368 was performed. After the recall repair, I began smelling gasoline. The dealer has diagnosed a separate fuel-system issue requiring multiple parts including replacement of the fuel tank. More details: My vehicle underwent a safety recall for a fuel leak/fire risk. Following that repair, I developed a strong gasoline odor. My Kia dealer has now identified a separate fuel-system problem that requires replacement of multiple components, including the fuel tank. The dealer has informed me that multiple Carnivals in Arizona are experiencing the same problem and that a replacement fuel tank is currently unavailable nationwide. I do not have a repair date and I do not consider the vehicle safe to drive.

NHTSA complaint #11756998 — an unverified report by a vehicle owner.

Horizon City, TX

FUEL/PROPULSION SYSTEM

This specific van has 2 open recalls already: 1 on a rear seat issue and 1 on a fuel pipe issue which is why i submitted to KIA dealer in the first place after smelling gas inside the cabin of my car while driving for 3 days until the dealer opened. While at the dealer they found a manufacture defect of the gas tank expanding in the heat and releasing liquid fuel into the charcoal cannister meant to catch fumes. The fumes then go into the cabin of the car and smell and make passengers sick as well as create a fire safety hazard on the vehicle. After discovering this they have informed me that the parts for this defect as well as the fuel pipe recall are on national backorder and the solution was to siphon off 1/4 tank of brand new gas and told me not to fill past 3/4 fulls or smoke in the vehicle and they THINK it SHOULD be fine. Google disagrees with this and says once the cannister has had liquid fuel in it, it can cause more problems. They have no loaners to offer as there are too many KIA recalls and they have no ETA on the parts coming in. I have been offered no solutions that are safe besides hold on to the vehicle and maybe it will be ok.

NHTSA complaint #11753746 — an unverified report by a vehicle owner.

Clifton, VA

VEHICLE SPEED CONTROL

Incident description: While driving, the vehicle’s dashboard illuminated all warning lights (ABS, traction control, battery, check engine, forward safety system) and the engine revved to approximately 8,000 RPM with unintended rapid acceleration. Driver had to apply hard braking to maintain control and avoid a collision. A nearly identical event occurred approximately one month earlier while driving on the highway, at which point the vehicle suddenly braked hard on its own. The vehicle has been at the dealership for repair a combined 38 days across two visits. The dealer initially attributed the first event to a failed alternator voltage regulator, replaced it, but the same warning codes and behavior returned on the second occasion. Crash/injury: No collision occurred; avoided through evasive braking. Speed: Highway speed (both instances). Incident description: While driving, the vehicle’s dashboard illuminated all warning lights (ABS, traction control, battery, check engine, forward safety system) and the engine revved to approximately 8,000 RPM with unintended rapid acceleration. Driver had to apply hard braking to maintain control and avoid a collision. A nearly identical event occurred approximately one month earlier while driving on the highway, at which point the vehicle suddenly braked hard on its own. The vehicle has been at the dealership for repair a combined 38 days across two visits. The dealer initially attributed the first event to a failed alternator voltage regulator, replaced it, but the same warning codes and behavior returned on the second occasion. Crash/injury: No collision occurred; avoided through evasive braking. Speed: Highway speed (both instances).

NHTSA complaint #11752011 — an unverified report by a vehicle owner.

Clifton, VA

ELECTRICAL SYSTEM

Incident description: While driving, the vehicle’s dashboard illuminated all warning lights (ABS, traction control, battery, check engine, forward safety system) and the engine revved to approximately 8,000 RPM with unintended rapid acceleration. Driver had to apply hard braking to maintain control and avoid a collision. A nearly identical event occurred approximately one month earlier while driving on the highway, at which point the vehicle suddenly braked hard on its own. The vehicle has been at the dealership for repair a combined 38 days across two visits. The dealer initially attributed the first event to a failed alternator voltage regulator, replaced it, but the same warning codes and behavior returned on the second occasion. Crash/injury: No collision occurred; avoided through evasive braking. Speed: Highway speed (both instances). Incident description: While driving, the vehicle’s dashboard illuminated all warning lights (ABS, traction control, battery, check engine, forward safety system) and the engine revved to approximately 8,000 RPM with unintended rapid acceleration. Driver had to apply hard braking to maintain control and avoid a collision. A nearly identical event occurred approximately one month earlier while driving on the highway, at which point the vehicle suddenly braked hard on its own. The vehicle has been at the dealership for repair a combined 38 days across two visits. The dealer initially attributed the first event to a failed alternator voltage regulator, replaced it, but the same warning codes and behavior returned on the second occasion. Crash/injury: No collision occurred; avoided through evasive braking. Speed: Highway speed (both instances).

NHTSA complaint #11752011 — an unverified report by a vehicle owner.

Bonita Springs, FL

SERVICE BRAKES

While stopped, the brake pedal drops to the floor and the vehicle begins to roll forward. I went to the dealership and told them what happened, they told me there is no recall on this, and it is a "normal part of driving". This is not a normal part of any braking system. The pedal should not drop to the floor while stopped with your foot on the pedal. No warning system lights that came on. This happens frequently. You have to start pumping the brake repeatedly to get the vehicle to stop. It will eventually raise off the floor.

NHTSA complaint #11749099 — an unverified report by a vehicle owner.

at 35,815 miles Whitesville, WV 1 injured

LATCHES/LOCKS/LINKAGES:DOORS:LATCH

The contact owns a 2024 Kia Carnival. The contact stated that while her husband was loading the child into the car seat. The rear button for the door was depressed by the child. The husband became stuck in between the sliding doors. No warning lights were illuminated. The contact sustained injuries to his previously injured rotary cuff, but medical attention was not provided. The local dealer was not contacted. The vehicle was not diagnosed or repaired. The manufacturer was not contacted. The failure mileage was approximately 35,815.

NHTSA complaint #11736945 — an unverified report by a vehicle owner.

Columbus, OH

POWER TRAIN

I purchased this 2024 Kia Carnival on 2/7/2026 with less than 10K miles. The vehicle has died while I was driving 4 different times. Twice each day that it happened. The first time was on 4/7/26. My car died on the way home from getting my kids from school after fixing a flat tire. The check engine light came on after getting a jump and when I took it to Auto Zone the battery was fully charged and the codes were for the Power Train, which didn't make sense for a brand new car. Miracle Mart told me that Kia needed to be utilized for any issues because I purchased the vehicle as is. Their solution was to tighten the "loose cables". On 4/25/26 the car died again two more times. Something is terribly wrong with this car.

NHTSA complaint #11734099 — an unverified report by a vehicle owner.

Holden, LA

ENGINE

Our 2024 Carnival has had a recurring engine oil leak that has required the vehicle to be left at the dealership 4 times for the same issue. Each time we get the van back the repair lasts about 1-3 weeks (depending on how often it's driven). Oil continues to leak from the engine area, creating risk of engine damage or a potential fire hazard if oil contacts hot components. The issue has not been resolved despite repeated repair attempts under warranty. The Carnival has 38,092 miles on it, and has been in the repair shop over 4 times. The 1st time it was put in the shop the van has 34,420 miles on it. Each time it has been left at the dealership for 9 - 17 days while the repairs were made. We have brought it to the same dealership each time and they have been very sympathetic and helpful. Not only does this issue cause the risks mentioned above, but it has ruined the concrete in my garage as well as added oil to the roadway which could cause an accident. I have all the repair orders from the first 3 repairs that I will attach. However I do not have thee current one because the vehicle is currently being repaired for the 4th time and I haven't received the finalized repair order documents. I can update this claim once the repairs are completed. I will be contacting Kia tomorrow and wanted to have a claim number started.

NHTSA complaint #11734153 — an unverified report by a vehicle owner.

Beaufort, SC

UNKNOWN OR OTHER

The fuel pipe in my 2024 Kia Carnival has been identified by Kia as part of Safety Recall SC368 due to a fire risk. The component is available for inspection at the dealership where the vehicle is currently located. My safety and the safety of my family — including young children in car seats — was put at risk because the vehicle carries a known fire hazard related to the fuel pipe, yet no remedy is available until June 2026 at the earliest, according to Kia Customer Care. Kia confirmed the recall and the fire risk but has not provided adequate alternative transportation, leaving a family with young children without a safe vehicle for an extended period. The problem has been confirmed by Kia Customer Care, who verified that my vehicle is included in recall SC368. The dealership also confirmed the recall exists but stated the remedy is not yet available. However, when I contacted NHTSA by phone to file a complaint, the representative stated they could not find my vehicle in their recall database, directly contradicting Kia's confirmation. This discrepancy between Kia's internal records and NHTSA's database is concerning and may prevent other affected owners from being aware of the safety risk. The vehicle has been surrendered to the dealership via tow due to the fire risk. It has not yet been inspected or diagnosed by the dealership service department. I have requested written confirmation that the vehicle is safe to drive before accepting it back. I was notified via a CARFAX alert and the risk was identified/confirmed by the manufacturer.

NHTSA complaint #11731536 — an unverified report by a vehicle owner.

Beaufort, SC

FUEL/PROPULSION SYSTEM

The fuel pipe in my 2024 Kia Carnival has been identified by Kia as part of Safety Recall SC368 due to a fire risk. The component is available for inspection at the dealership where the vehicle is currently located. My safety and the safety of my family — including young children in car seats — was put at risk because the vehicle carries a known fire hazard related to the fuel pipe, yet no remedy is available until June 2026 at the earliest, according to Kia Customer Care. Kia confirmed the recall and the fire risk but has not provided adequate alternative transportation, leaving a family with young children without a safe vehicle for an extended period. The problem has been confirmed by Kia Customer Care, who verified that my vehicle is included in recall SC368. The dealership also confirmed the recall exists but stated the remedy is not yet available. However, when I contacted NHTSA by phone to file a complaint, the representative stated they could not find my vehicle in their recall database, directly contradicting Kia's confirmation. This discrepancy between Kia's internal records and NHTSA's database is concerning and may prevent other affected owners from being aware of the safety risk. The vehicle has been surrendered to the dealership via tow due to the fire risk. It has not yet been inspected or diagnosed by the dealership service department. I have requested written confirmation that the vehicle is safe to drive before accepting it back. I was notified via a CARFAX alert and the risk was identified/confirmed by the manufacturer.

NHTSA complaint #11731536 — an unverified report by a vehicle owner.

Logandale, NV

FUEL/PROPULSION SYSTEM

I reported a fuel smell in the cabin of my vehicle in June 2024. It was dismissed because they could not recreate the smell. I reported it again and they said that is just how the vehicle purges fuel. I reported it again and drove it right to the dealer when it smelled and multiple mechanics at KIA confirmed they smelled it. Reported it again in September 2024, then tried to deal with it, and reported it again in June and July 2025. In July they confirmed I had raw fuel in my evaporator canister. I also had misfire notifications on my dashboard which were dismissed as they could not determine where the misfire was coming from. The misfire stopped after they replaced my fuel canister but the smell never fully went away. I received an email follow up in July 2025 and I reported the smell was not as strong, but still occurring intermittently. They closed the case. I reported and had 2 open cases with KIA, and noted that I was feeling lightheaded and nauseous, as well as 2 of my 3 kids at the time.

NHTSA complaint #11731411 — an unverified report by a vehicle owner.

Katy, TX

ENGINE

My Kia vehicle has an ongoing engine oil leak that has not been properly repaired under warranty. The vehicle was taken to an authorized Kia dealership for diagnosis and repair of the oil leak. I was informed by the dealership that Kia engineers indicated that in similar situations the typical resolution is engine replacement. However, in my case, the dealership was instructed to attempt sealing the oil pan instead of replacing the engine. I was advised that if this repair did not resolve the issue, I could bring the vehicle back for further service. Unfortunately, the oil warning light has now returned on the dashboard, indicating the issue persists and the repair attempt was not successful. An unresolved engine oil leak presents a serious safety concern because loss of engine oil can lead to engine damage, stalling, or failure while driving. This creates a risk of unsafe driving conditions, especially when transporting passengers. My family relies on this vehicle for daily transportation, and the continued presence of the warning light makes the vehicle unreliable and concerning from a safety standpoint. In addition, the dealership has not provided a suitable loaner or rental vehicle large enough to accommodate my family while the vehicle is undergoing repair. This has created significant hardship as we do not currently have reliable transportation. The manufacturer should correct this defect properly and ensure the vehicle is safe to operate rather than attempt temporary or experimental repairs that do not resolve the root cause. The persistence of the oil leak after warranty repair raises concerns about the reliability and safety of the engine. I am submitting this complaint to document a potential engine defect that may pose a safety risk if engine oil loss leads to engine failure while the vehicle is in operation.

NHTSA complaint #11728723 — an unverified report by a vehicle owner.

Honolulu, HI

POWER TRAIN

"Continuous engine oil leak for 12 months. After 4 failed repair attempts, the dealer used liquid sealer instead of a gasket. This is a deceptive repair that creates a severe fire hazard. The leak is still active today, March 2026."

NHTSA complaint #11727626 — an unverified report by a vehicle owner.

Honolulu, HI

ENGINE

"Continuous engine oil leak for 12 months. After 4 failed repair attempts, the dealer used liquid sealer instead of a gasket. This is a deceptive repair that creates a severe fire hazard. The leak is still active today, March 2026."

NHTSA complaint #11727626 — an unverified report by a vehicle owner.

Cottontown, TN

UNKNOWN OR OTHER

The horn stops working when it’s cold and the horn installed does not match the amperage need for the vehicle. It has failed multiple times. I rarely use my horn. It failed for the first time around 20,000 miles. Separately, I have an oil leak that is also covered under warranty. This car has been serviced countless times and it has been in the shop for three weeks.

NHTSA complaint #11727093 — an unverified report by a vehicle owner.

San Ysidro, CA

UNKNOWN OR OTHER

Driver side passenger back sliding door will not open or close properly. Door will jam and make a loud noise or will not open when trying to open. Took it the dealership 4 times they replaced the motor but the issue continues.

NHTSA complaint #11724831 — an unverified report by a vehicle owner.

San Ysidro, CA

ELECTRICAL SYSTEM

Driver side passenger back sliding door will not open or close properly. Door will jam and make a loud noise or will not open when trying to open. Took it the dealership 4 times they replaced the motor but the issue continues.

NHTSA complaint #11724831 — an unverified report by a vehicle owner.

Virginia Beach, VA

UNKNOWN OR OTHER

Horn stops working and needs to be replaced within a year or less. I reported the first time my horn stopped working and it took 4 months until I can have an appointment and order the part. The second time it stopped working was within a year and scheduling an appointment was difficult. I was almost in an accident and unable to use to both to alert the other driver.

NHTSA complaint #11717275 — an unverified report by a vehicle owner.

Virginia Beach, VA

ELECTRICAL SYSTEM

Horn stops working and needs to be replaced within a year or less. I reported the first time my horn stopped working and it took 4 months until I can have an appointment and order the part. The second time it stopped working was within a year and scheduling an appointment was difficult. I was almost in an accident and unable to use to both to alert the other driver.

NHTSA complaint #11717275 — an unverified report by a vehicle owner.

Delray Beach, FL

ELECTRICAL SYSTEM

Horns (high and low) have been replaced 5 times under a warranty. This is a serious safety hazard. Vehicle: Kia Carnival (Model Years 2022–2024) Issue: Repeated horn failure / electrical malfunction Owners of 2022–2024 Kia Carnival vehicles are experiencing repeated horn failures that present a safety concern. Reported symptoms include complete loss of horn function, intermittent operation, delayed response, and in some cases random horn or alarm activation without driver input. When the failure occurs, both the high-pitch and low-pitch horns are often found to be inoperative. Many owners report that dealerships replace both horns, sometimes multiple times, with some vehicles requiring second or third replacements. Kia has acknowledged this issue through a Technical Service Bulletin (ELE-263), which instructs dealers to replace both horns when one fails; however, the bulletin does not identify a permanent root cause or corrective design change. As a result, the issue frequently recurs after replacement. A non-functional or intermittent horn significantly reduces the driver’s ability to warn other road users and avoid collisions, creating a clear safety risk. Given the recurring nature of the failure across multiple model years, this appears to be a systemic defect rather than isolated component wear.

NHTSA complaint #11714079 — an unverified report by a vehicle owner.

Davenport, FL

UNKNOWN OR OTHER

Due to cables being lined in soy in attracts rodents which cause damage to the car. Multiple electric malfunctions from power lift gate to automatic windows. It is a known issue and is very common.

NHTSA complaint #11713267 — an unverified report by a vehicle owner.

Davenport, FL

ELECTRICAL SYSTEM

Due to cables being lined in soy in attracts rodents which cause damage to the car. Multiple electric malfunctions from power lift gate to automatic windows. It is a known issue and is very common.

NHTSA complaint #11713267 — an unverified report by a vehicle owner.

Semmes, AL

STEERING

Out of nowhere, we started our vehicle that was no more than a year old, and all of the emergency alert indicators on the dash came on. All of the warning lights in the dash. The power steering went out and would go from very stiff to very loose. the car would shutter and then drive normal for a few min and then slow way down without warning. Again, all dash warning lights and alarms would go off. This first appeared on [XXX], we took to the Kia service on Nov. 17, 2025, and it was been in the shop with no repair since that day and todays date is Jan, 12, 2026. As of today they still do not know what is wrong with the vehicle and have no end in sight. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

NHTSA complaint #11710508 — an unverified report by a vehicle owner.

Semmes, AL

ELECTRICAL SYSTEM

Out of nowhere, we started our vehicle that was no more than a year old, and all of the emergency alert indicators on the dash came on. All of the warning lights in the dash. The power steering went out and would go from very stiff to very loose. the car would shutter and then drive normal for a few min and then slow way down without warning. Again, all dash warning lights and alarms would go off. This first appeared on [XXX], we took to the Kia service on Nov. 17, 2025, and it was been in the shop with no repair since that day and todays date is Jan, 12, 2026. As of today they still do not know what is wrong with the vehicle and have no end in sight. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

NHTSA complaint #11710508 — an unverified report by a vehicle owner.