Owners have filed 65 complaints
about the 2023 KIA Carnival with NHTSA between 2022 and 2026.
The largest single group is the other & unspecified.
Across this model's run it ranks 4 of 5 worst.
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.
The dashed ring is 50 — the national norm. Further out is worse.
Complaint volume — 30
Against the median year of the KIA Carnival. 50 means typical for this
model; 100 means roughly double.
Severity — 79
15.4% of these complaints
involved a crash, fire, injury or death, against a national rate of
9.7%.
Early failure — 100
60% of failures with a mileage on record happened under
36,000 miles, against a national rate of
29%.
Odometer readings owners gave when they filed. About half of all
complaints include one.
Under 1,000 miles
110.0%
1,000 – 9,999 miles
220.0%
10,000 – 24,999 miles
110.0%
25,000 – 49,999 miles
220.0%
50,000 – 74,999 miles
330.0%
75,000 – 99,999 miles
110.0%
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.
Jul 2022peak 5Aug 2026
Recalls on the 2023 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.
Canada — Transport Canada
Canada runs its own recall programme, and its campaigns do not
always mirror the American ones.
Recall 202618617,873 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 2024549647,384 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 20240233,892 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.
Recall 20231825,823 units in Canada
Structure
Issue: In certain situations, the power sliding door may not stop and reverse if it is blocked. Safety Risk: A power sliding door that doesn't stop when it is blocked could pinch a person and create a risk of injury. Corrective Actions: Kia will notify owners by mail and instruct you to bring your vehicle to a dealership to update the power sliding door control module software. The update will add two (2) warning chimes when the power sliding door begins to open or close, and change the door speed to move more slowly before the door latches.
Recall 2023149853 units in Canada
Electrical
Issue: Certain vehicles may be equipped with a 4-pin accessory trailer wiring harness kit that could fail. Over time, this could result in a short circuit that can cause the control module to overheat. Note: This recall only affects Kia Genuine 4-pin tow hitch wiring harness kits with the part number R0F67AC200. These kits may have been ordered at the time of a vehicle purchase or purchased separately from a dealer as an aftermarket accessory. Safety Risk: A short circuit can create a fire risk, even while the vehicle is parked and turned off. Corrective Actions: Kia will notify owners by mail and instruct you to bring your vehicle to a dealership to inspect the vehicle for a trailer wiring harness kit. If necessary, the dealer will install a 15A fuse and a wire extension kit. Kia advises that if your vehicle has a tow hitch harness installed, you should park it outdoors, and away from other vehicles or structures until the recall repairs have been completed.
Reports where the owner recorded a crash, a fire, an injury or a death.
Rockford, IL1 injured
UNKNOWN OR OTHER
Our Carnival had the SC266 recall repair done on July 3rd, 2023, at 3074 miles. Then our [XXX] daughter was injured as a result of the safety function not working and the door closed without any chimes. [XXX] (my spouse) is a cardiac nurse at our local hospital, and I have combat medical training, so we took care of the minor injury. Her small hand was spared the devastation a larger one would suffer. The dealership is pretending it’s unreproducible (even though I supplied them with video evidence to the contrary), and Kia Corporate (case # XXX) doesn’t appear any more likely to help. I reported the injury when it occurred on January 13th, 2026, to the dealership. They said they were sorry and would look into it. Nothing happened. I call, and they say they can’t fix it. I call again after I see the XXX v. XXX, et al., case was allowed to proceed, and I produce videos confirming the safety issue with sticks. They bring it in and claim in their exact words in the paperwork, “Found Doors to chime when an “abstruction” was present in the doorway and vehicle doors to stop when detecting an object. Started T/L case for documentation purposes.” In private, they tell me, “We cannot stop the force of the closing or fix it” and do not allow me to reproduce the safety issue for them to witness. I file a complaint with Corporate, and they tell me the dealership is saying it’s fine. I send the videos, and they say they will look into it. No resolution. Today, I produced a second set of videos to show the devastation the safety issue causes and the lack of response from the sensor, chimes, or the reopening of the door from an obstruction using bananas after the dealership declared it not reproducible. My special needs [XXX] daughter was harmed as pictured. The van itself is unsafe for children, which is the only reason anyone (including me) would purchase it. My children could be harmed again, but we cannot afford the burden of another car. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 55
NHTSA complaint #11737829 — an unverified report by a vehicle owner.
Ravenna, OHCrash
SERVICE BRAKES
ABS was activating inappropriately creating a grinding/pulsating noise while I was attempting to stop at a light. The vehicle did slow down but despite the completely dry road service and sufficient stopping distance, the vehicle never came to a stop and ran into the vehicle in front of me. The vehicle is currently in the autobody shop to be repaired as it is not drivable (leaking fluids). I will be contacting my insurance company and an independent service center shortly to have it inspected. I will also be contacting Kia America, Inc.. There were no warning lamps or symptoms of the problem prior to the failure.
NHTSA complaint #11715948 — an unverified report by a vehicle owner.
Johns Creek, GA1 injured
STRUCTURE:BODY
Passenger side sliding door periodically gets stuck trying to open or close. My 3 year olds finger got stuck in the closed position of the sliding door and we could not get the door open immediately because of the faulty door periodically getting stuck.
NHTSA complaint #11695330 — an unverified report by a vehicle owner.
Neenah, WI1 injured
UNKNOWN OR OTHER
The driver’s side sliding door was closing and crushed my wife between the door and B pillar. It did not retract upon encountering the resistance of my wife’s body, and continued to close. She has bruising on her arm, and shoulder pain. When submitting this report on the NHTSA website, there is a recall for this exact issue. We have not had the vehicle examined as it is a holiday weekend, and the dealer is closed. Medical attention will be pursued if the pain and bruising does not subside.
NHTSA complaint #11590913 — an unverified report by a vehicle owner.
Neenah, WI1 injured
STRUCTURE:BODY
The driver’s side sliding door was closing and crushed my wife between the door and B pillar. It did not retract upon encountering the resistance of my wife’s body, and continued to close. She has bruising on her arm, and shoulder pain. When submitting this report on the NHTSA website, there is a recall for this exact issue. We have not had the vehicle examined as it is a holiday weekend, and the dealer is closed. Medical attention will be pursued if the pain and bruising does not subside.
NHTSA complaint #11590913 — an unverified report by a vehicle owner.
Neenah, WI1 injured
ELECTRICAL SYSTEM
The driver’s side sliding door was closing and crushed my wife between the door and B pillar. It did not retract upon encountering the resistance of my wife’s body, and continued to close. She has bruising on her arm, and shoulder pain. When submitting this report on the NHTSA website, there is a recall for this exact issue. We have not had the vehicle examined as it is a holiday weekend, and the dealer is closed. Medical attention will be pursued if the pain and bruising does not subside.
NHTSA complaint #11590913 — an unverified report by a vehicle owner.
The most recent complaints
In the owners' own words, exactly as filed with NHTSA.
at 58,425 milesRio Rancho, NM
FUEL SYSTEM, GASOLINE
The contact owns a 2023 Kia Carnival. The contact stated that while driving 40 MPH, there was an abnormal fuel odor inside the vehicle, causing the contact’s six children to become dizzy from the odor. No warning light was illuminated. The vehicle was repaired under NHTSA Campaign Number: 26V232000 (FUEL SYSTEM, GASOLINE); however, the remedy failed to fix the vehicle. The contact stated that the failure occurred after the recall repair was performed. The manufacturer was notified of the failure and informed the contact that the dealer might offer a buyback of the vehicle. The manufacturer opened a case. The failure mileage was 58,425.
NHTSA complaint #11754708 — an unverified report by a vehicle owner.
Union, KY
UNKNOWN OR OTHER
Vehicle air conditioning sends off a vinegar like aroma. Likely condensation on coils.
NHTSA complaint #11752598 — an unverified report by a vehicle owner.
Collierville, TN
UNKNOWN OR OTHER
I am filing a comprehensive complaint against Kia America and its authorized dealership for a prolonged failure to remedy a safety defect, ongoing consumer deception, and gross mismanagement of a federally mandated safety recall involving a severe fire hazard. Vehicle: 2022-2026 Kia Carnival NHTSA Recall Number: 26V232 (High-Pressure Fuel Pipe Leak) [Chronology of Complete Events] June 29, 2026 (First Attempt): I brought my vehicle to Kia dealer shop to have Safety Recall 26V232 performed. The service department informed me that they did not have the necessary parts and the repair would take over a week. June 30, 2026 (Deceptive Release): The dealer contacted me to pick up the vehicle, stating they could not proceed with the recall due to a complete lack of parts. They only performed a standard engine oil change (unrelated to the recall) and promised they would contact me to reschedule as soon as the recall parts arrived. July 19, 2026 (Manufacturer Negligence): Nearly three weeks passed with zero follow-up from the dealer. I contacted Kia America Customer Care to lodge a formal complaint. Shockingly, Kia America responded by stating they do not assist with scheduling or coordinating parts availability, irresponsibly shifting the manufacturer's statutory obligation onto me to independently find another dealer. July 21, 2026 (False Assurances): Due to my persistent follow-ups, Kia Dealer finally called me. The dealership explicitly assured me over the phone that ALL necessary recall parts had physically arrived and were strictly secured for my vehicle. July 23, 2026 (Today - Repeated Deception): I dropped off my vehicle at 10:00 AM. I explicitly asked the service advisor to confirm if all recall work would be finished today. He promised it would be completed by the end of the day. However, at 5:50 PM—just ten minutes before closing—Dealer called to inform me that they could not finish the vehicle because they are "still waiting for a specific part."
NHTSA complaint #11752515 — an unverified report by a vehicle owner.
at 77,000 milesAbilene, KS
STRUCTURE
The contact owns a 2023 Kia Carnival. The contact stated that while driving approximately 55 MPH, the driver’s side roof molding ejected from the vehicle. The contact immediately stopped the vehicle but was unable to locate the molding. The cause of the failure was not yet determined. The manufacturer and local dealer were notified of the failure, but no assistance was offered. The contact was informed that the VIN was not included in NHTSA Campaign Number: 24V025000 (STRUCTURE). The contact stated that the vehicle had experienced the failure listed in the recall. The failure mileage was 77,000.
NHTSA complaint #11742271 — an unverified report by a vehicle owner.
Orlando, FL
ENGINE AND ENGINE COOLING
The contact owns a 2023 KIA Carnival. The contact received notification of NHTSA Campaign Number: 26V320000 (ENGINE AND ENGINE COOLING) however, the part to do the recall repair was not yet available. The local dealer was contacted. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The contact had not experienced a failure.
NHTSA complaint #11741634 — an unverified report by a vehicle owner.
Rockford, IL1 injured
UNKNOWN OR OTHER
Our Carnival had the SC266 recall repair done on July 3rd, 2023, at 3074 miles. Then our [XXX] daughter was injured as a result of the safety function not working and the door closed without any chimes. [XXX] (my spouse) is a cardiac nurse at our local hospital, and I have combat medical training, so we took care of the minor injury. Her small hand was spared the devastation a larger one would suffer. The dealership is pretending it’s unreproducible (even though I supplied them with video evidence to the contrary), and Kia Corporate (case # XXX) doesn’t appear any more likely to help. I reported the injury when it occurred on January 13th, 2026, to the dealership. They said they were sorry and would look into it. Nothing happened. I call, and they say they can’t fix it. I call again after I see the XXX v. XXX, et al., case was allowed to proceed, and I produce videos confirming the safety issue with sticks. They bring it in and claim in their exact words in the paperwork, “Found Doors to chime when an “abstruction” was present in the doorway and vehicle doors to stop when detecting an object. Started T/L case for documentation purposes.” In private, they tell me, “We cannot stop the force of the closing or fix it” and do not allow me to reproduce the safety issue for them to witness. I file a complaint with Corporate, and they tell me the dealership is saying it’s fine. I send the videos, and they say they will look into it. No resolution. Today, I produced a second set of videos to show the devastation the safety issue causes and the lack of response from the sensor, chimes, or the reopening of the door from an obstruction using bananas after the dealership declared it not reproducible. My special needs [XXX] daughter was harmed as pictured. The van itself is unsafe for children, which is the only reason anyone (including me) would purchase it. My children could be harmed again, but we cannot afford the burden of another car. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 55
NHTSA complaint #11737829 — an unverified report by a vehicle owner.
Yonkers, NY
POWER TRAIN
I am reporting a safety defect involving my 2023 Kia Carnival SX Prestige. On June 6, 2025, I brought the vehicle to Yonkers Kia Service Center because of a strong gasoline odor. The dealership told me the fuel tank was swollen and that the vehicle was unsafe to drive. The vehicle remained at the dealership from June 6, 2025 through October 17, 2025. Kia later indicated that the fuel tank, canister, and vent valve had been replaced. When the vehicle was returned to me on October 17, 2025, it still smelled like gas. Within 24–48 hours, the same or related safety issues returned, including strong fuel odor, loss of engine power, check engine light, abnormal fuel consumption, and later a visible fuel leak, which I documented on video. Because the vehicle did not feel safe, I stopped driving it on October 19, 2025. In March 2026, the vehicle was towed back to Kia for renewed diagnosis. Kia later reported that one fuel injector was leaking and performed additional repairs. My VIN now shows open unrepaired Recall SC368 / NHTSA Recall 26V232. That recall states that the high-pressure cross-over fuel pipe nuts may loosen over time, resulting in a fuel leak and fire risk. The recall warning signs include fuel smell and/or check engine light, which directly overlap with the exact symptoms I repeatedly experienced and reported. I am reporting that this vehicle had repeat fuel-related safety failures, a prior extended repair attempt that did not resolve the issue, and was previously returned to me in what I believe was an unsafe condition.
NHTSA complaint #11734511 — an unverified report by a vehicle owner.
Yonkers, NY
ENGINE
I am reporting a safety defect involving my 2023 Kia Carnival SX Prestige. On June 6, 2025, I brought the vehicle to Yonkers Kia Service Center because of a strong gasoline odor. The dealership told me the fuel tank was swollen and that the vehicle was unsafe to drive. The vehicle remained at the dealership from June 6, 2025 through October 17, 2025. Kia later indicated that the fuel tank, canister, and vent valve had been replaced. When the vehicle was returned to me on October 17, 2025, it still smelled like gas. Within 24–48 hours, the same or related safety issues returned, including strong fuel odor, loss of engine power, check engine light, abnormal fuel consumption, and later a visible fuel leak, which I documented on video. Because the vehicle did not feel safe, I stopped driving it on October 19, 2025. In March 2026, the vehicle was towed back to Kia for renewed diagnosis. Kia later reported that one fuel injector was leaking and performed additional repairs. My VIN now shows open unrepaired Recall SC368 / NHTSA Recall 26V232. That recall states that the high-pressure cross-over fuel pipe nuts may loosen over time, resulting in a fuel leak and fire risk. The recall warning signs include fuel smell and/or check engine light, which directly overlap with the exact symptoms I repeatedly experienced and reported. I am reporting that this vehicle had repeat fuel-related safety failures, a prior extended repair attempt that did not resolve the issue, and was previously returned to me in what I believe was an unsafe condition.
NHTSA complaint #11734511 — an unverified report by a vehicle owner.
Yonkers, NY
FUEL/PROPULSION SYSTEM
I am reporting a safety defect involving my 2023 Kia Carnival SX Prestige. On June 6, 2025, I brought the vehicle to Yonkers Kia Service Center because of a strong gasoline odor. The dealership told me the fuel tank was swollen and that the vehicle was unsafe to drive. The vehicle remained at the dealership from June 6, 2025 through October 17, 2025. Kia later indicated that the fuel tank, canister, and vent valve had been replaced. When the vehicle was returned to me on October 17, 2025, it still smelled like gas. Within 24–48 hours, the same or related safety issues returned, including strong fuel odor, loss of engine power, check engine light, abnormal fuel consumption, and later a visible fuel leak, which I documented on video. Because the vehicle did not feel safe, I stopped driving it on October 19, 2025. In March 2026, the vehicle was towed back to Kia for renewed diagnosis. Kia later reported that one fuel injector was leaking and performed additional repairs. My VIN now shows open unrepaired Recall SC368 / NHTSA Recall 26V232. That recall states that the high-pressure cross-over fuel pipe nuts may loosen over time, resulting in a fuel leak and fire risk. The recall warning signs include fuel smell and/or check engine light, which directly overlap with the exact symptoms I repeatedly experienced and reported. I am reporting that this vehicle had repeat fuel-related safety failures, a prior extended repair attempt that did not resolve the issue, and was previously returned to me in what I believe was an unsafe condition.
NHTSA complaint #11734511 — an unverified report by a vehicle owner.
at 35,000 milesGranada Hills, CA
FUEL SYSTEM, GASOLINE
The contact owns a 2023 Kia Carnival. The contact stated that upon starting the vehicle, while driving at various speeds, there was an abnormally strong fuel odor coming from the vehicle. There was no warning light illuminated. The vehicle was taken to two separate dealers, where the contact was informed that the VIN was not under recall. The contact was given a diagnostic fee from the dealers, but declined to pay for a diagnostic test. The manufacturer was not notified of the failure. The vehicle was not repaired. The failure mileage was approximately 35,000.
NHTSA complaint #11719892 — an unverified report by a vehicle owner.
at 63,476 milesJackson, NJ
LATCHES/LOCKS/LINKAGES:DOORS:LATCH
The contact owns a 2023 Kia Carnival. The contact stated that during freezing weather, the button was depressed to open the driver's side rear sliding door, and the door automatically opened; however, the motor reached a point of resistance and attempted to close the sliding door. Due to the failure of the cable in the door snapped behind the glass window. The contact manually opened the sliding door and used excessive force to close the door. The vehicle was taken to the dealer, who confirmed that the door cable had snapped. The contact was informed that the vehicle was out of warranty; however, the dealer reached out to the manufacturer for assistance. The manufacturer later agreed to partial assistance with the repair. The contact paid for the remaining cost of the repair. The manufacturer was contacted about the repair and provided a case number. The vehicle was repaired. The failure mileage was 63,476.
NHTSA complaint #11717587 — an unverified report by a vehicle owner.
at 63,476 milesJackson, NJ
ELECTRICAL SYSTEM
The contact owns a 2023 Kia Carnival. The contact stated that during freezing weather, the button was depressed to open the driver's side rear sliding door, and the door automatically opened; however, the motor reached a point of resistance and attempted to close the sliding door. Due to the failure of the cable in the door snapped behind the glass window. The contact manually opened the sliding door and used excessive force to close the door. The vehicle was taken to the dealer, who confirmed that the door cable had snapped. The contact was informed that the vehicle was out of warranty; however, the dealer reached out to the manufacturer for assistance. The manufacturer later agreed to partial assistance with the repair. The contact paid for the remaining cost of the repair. The manufacturer was contacted about the repair and provided a case number. The vehicle was repaired. The failure mileage was 63,476.
NHTSA complaint #11717587 — an unverified report by a vehicle owner.
Ravenna, OHCrash
SERVICE BRAKES
ABS was activating inappropriately creating a grinding/pulsating noise while I was attempting to stop at a light. The vehicle did slow down but despite the completely dry road service and sufficient stopping distance, the vehicle never came to a stop and ran into the vehicle in front of me. The vehicle is currently in the autobody shop to be repaired as it is not drivable (leaking fluids). I will be contacting my insurance company and an independent service center shortly to have it inspected. I will also be contacting Kia America, Inc.. There were no warning lamps or symptoms of the problem prior to the failure.
NHTSA complaint #11715948 — an unverified report by a vehicle owner.
Guyton, GA
ENGINE
Strong fuel smell that comes and goes. Dealership replaced fuel injection related parts after finding a leak. Problem is still present.
NHTSA complaint #11712335 — an unverified report by a vehicle owner.
Johns Creek, GA1 injured
STRUCTURE:BODY
Passenger side sliding door periodically gets stuck trying to open or close. My 3 year olds finger got stuck in the closed position of the sliding door and we could not get the door open immediately because of the faulty door periodically getting stuck.
NHTSA complaint #11695330 — an unverified report by a vehicle owner.
Owings, MD
UNKNOWN OR OTHER
Gas/pump door actuator failed. Unable to open and put gas in car. This car is only 1.5 years old.
NHTSA complaint #11693824 — an unverified report by a vehicle owner.
Murray, KY
UNKNOWN OR OTHER
On August 23, 2025, I purchased a certified pre-owned Kia Carnival. Within hours, the vehicle had a severe fuel leak that produced a strong gasoline odor. Driving it made me sick, and I feared for the safety of my three children in the vehicle. A Kia technician later confirmed a crossover fuel line leak so severe that he became ill while inspecting it and feared the vehicle could explode. Even after repair, the gas odor persisted. This vehicle was sold to me in unsafe condition, and I believe this may represent a larger safety issue that needs investigation.
NHTSA complaint #11685602 — an unverified report by a vehicle owner.
Murray, KY
FUEL/PROPULSION SYSTEM
On August 23, 2025, I purchased a certified pre-owned Kia Carnival. Within hours, the vehicle had a severe fuel leak that produced a strong gasoline odor. Driving it made me sick, and I feared for the safety of my three children in the vehicle. A Kia technician later confirmed a crossover fuel line leak so severe that he became ill while inspecting it and feared the vehicle could explode. Even after repair, the gas odor persisted. This vehicle was sold to me in unsafe condition, and I believe this may represent a larger safety issue that needs investigation.
NHTSA complaint #11685602 — an unverified report by a vehicle owner.
Millington, TN
STRUCTURE:BODY
The power sliding door does not reverse when an object is in its path. The door closed on my sons body. He was okay we were able to pull the handle to make it open again but it did not stop on its own. Another instance the door did not stop closing when a toy went into the door. The door just crunched the toy and shut while beeping.
NHTSA complaint #11683764 — an unverified report by a vehicle owner.
Downers Grove, IL
UNKNOWN OR OTHER
My [XXX] son locked himself and his [XXX] brother in the car today. The scenario which is repeatable is if the cars start button is pushed to turn on accessory power the key fob will no longer unlock the doors. My father had the key fob outside of the car, while my son scrambled up front and pushed both the start button on the car and the door lock button. Again at this point the key fob is outside the car and will not unlock the doors. The daycare had to call 911 because two children were locked inside the car. This is an unacceptable situation for a minivan. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6) I have not yet brought the vehicle to a dealer, there are no warning lights on the vehicle and the key fob is working and has power. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
NHTSA complaint #11682287 — an unverified report by a vehicle owner.
Overland Park, KS
STRUCTURE:BODY
After working out at my gym, my daughters and I were driving on a side street near at around 35MPH. With no warning, a large POP happened and our passenger sliding door window shattered. Thankfully, nothing but a scratch happened to my [XXX] that was in her car seat closest to the window that shattered. I called our local KIA dealership and my insurance agent and both mentioned that it could be because of the heat we are having in our area. This concerns me because the Carnival is a “MPV” aka family car and this happened without a chip or anything in the glass and terrified both of my girls. I have never heard of a window solely shattering bc of heat. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
NHTSA complaint #11676838 — an unverified report by a vehicle owner.
Pittsburgh, PA
UNKNOWN OR OTHER
Gas door outside cover would not open which makes it impossible to pump gas. Dealership removed door to enable the ability to pump gas. This then disables the safety feature that keeps the van door from sliding open which a rear passenger may mistakenly open the door and the gas pump hose would be knocked off. if Dealership opens the door to the gas area, and leaves the door to the gas cover ajar slightly to enable the ability to pump gas, this causes an issue if the door is mistakenly opened by a rear passenger, there is no clearance and the door to the gas area would be ripped off. One incident Dec 2023, another incident May 2025
NHTSA complaint #11663526 — an unverified report by a vehicle owner.
Irving, TX
Chest Clip, Buckle, Harness
Unknown as to what exactly happened, but my husband put my daughter in her car seat buckled her and was just fine. We arrived to our destination no more than 15 minutes later and her chest clip buckle had busted apart. I do have video of the chest clip and how it was apart, however, as soon as I get the new piece and I will not have it to show due to needing the car seat. I do have video of the incident right after I noticed it and other videos showing the parts and pieces. My daughter ended up having the pieces that you press together to unlock the magnetic chest clip apart in her mouth. The magnet circle was still in the chest clip keeping it closed and locked in place. However, it very easily could have came open and out and her eat the magnet. I have contacted the manufacturer and she let me know that other car seats have had the same problem, but there is no recall. She just said she will send me a replacement piece.
NHTSA complaint #11650351 — an unverified report by a vehicle owner.
at 30,000 milesPembroke Pines, FL
SEAT BELTS:REAR/OTHER:RETRACTOR
The contact owns a 2023 Kia Carnival. The contact stated that the seat belt located in the rear middle row was inoperable. There were no warning lights illuminated. The contact stated that the seat belt failed to retract. The vehicle was taken to the local dealer, where it was diagnosed and determined that the seat belt needed to be replaced. The dealer ordered the part, which was on backorder. The vehicle was not repaired. The manufacturer was not contacted. The failure mileage was approximately 30,000.
NHTSA complaint #11648937 — an unverified report by a vehicle owner.
Batavia, IL
Chest Clip, Buckle, Harness
The car seat harness fails to stay engaged in a safe and secure position. When tightened to the correct position it becomes loose. I contacted Nuna and they advised I should clean the harness adjuster button from debris but I did that and the harness is still coming loose. I don’t know how many times my children have been transported while wearing this faulty harness over time since purchasing our seats in 2021 but we are in our vehicle daily so my guess is upwards of 100’s of times. The manufacturer refuses to take accountability and recommends we wait indefinitely for a new car seat fabric cover, cleaning kit and instructions to alter the car seat for the purpose of cleaning the harness adjuster button ourselves.
NHTSA complaint #11642856 — an unverified report by a vehicle owner.