2023 KIA K5 Unknown Or Other Problems

serious safety-related defects in my 2023 Kia K5 involving the fuel/emissions system &other vehicle components. From early ownership & throughout the lease period, the vehicle experienced repeated& unresolved issues including fuel system abnormalities, emissions failures, fuel odors, check engine light activation, abnormal noises, &performance concerns consistent with fuel pressure or fuel tank-related problems. I reported these issues multiple times to the dealership &to Kia Consumer Affairs beginning well within the first 24 months of the lease, continuing for over a year. Despite repeated complaints and service visits, the vehicle was repeatedly returned to me- deemed safe to drive, my concerns were ignored. In June 2024, the dealership identified fuel tank expansion, confirming the same safety concerns I had been reporting. In November 2025, Kia issued Safety Recall SC356 (NHTSA Recall No. 25V794), stating that a damaged check valve can allow air to enter the fuel tank, causing expansion, contact with...

I am submitting this complaint regarding a serious fuel system defect involving my 2023 Kia GT-Line. The vehicle was subject to a manufacturer recall due to fuel tank expansion. Kia has acknowledged that the fuel tank expands beyond normal specifications, creating a potential safety hazard. As a result of this defect, Kia of America determined that the vehicle is not repairable and declared it a total loss. Kia has offered to buy back the vehicle and forgive the remaining loan balance, which confirms that the manufacturer considers the defect serious and unresolvable. A fuel tank expansion defect presents a significant safety concern, including the risk of fuel leaks, fuel system failure, inaccurate fuel readings, and potential fire hazards. This defect occurred under normal vehicle use and was not caused by misuse or modification. I am concerned that this defect affects other vehicles of the same model and year and may...

I am submitting this complaint regarding unresolved safety recalls affecting my Kia K5: Recall SC356 and Recall SC346. I have contacted my authorized Kia dealer multiple times over the past several months, yet no remedy has been provided. Most alarmingly, I was informed today that my recall “ticket” was closed without any repairs being completed, which is unacceptable. Recall SC356 involves a damaged fuel tank check valve that can allow air to enter the tank, causing it to expand and potentially contact hot exhaust components. This defect creates a serious fire hazard and poses a risk of injury, death, or property damage. Recall SC346 involves a supplier defect where the C-pillar garnish face plate may delaminate and detach from the vehicle. According to NHTSA (25V493), a detached face plate may become a road hazard, increasing the risk of a crash. Warning signs include looseness, rattling, or wind noise. Both recalls...

10/25 I was traveling, and my car sudden loss of power, while in traffic.. almost causing accident. 10/28 I was traveling on interstate, and my car sudden loss of power, while in traffic.. almost causing accident. This is ridiculous.. When I hit the gas sometimes, feels like it fluttering and jerking. I’ve reported multiple times over the years and this one having hesitation when driving this car. Manager drove it was concern, mechanic talking about it’s the way the car supposed to be.

My engine line keeps returning regardless of the multiple visits to the service department in attempt to fix recall complications at BONIFACE-HIERS KIA. Today will be the fourth visit for fuel tank and ECM recall related malfunctions.

The fuel tank expanded causing the vehicle to become immobile. The car is sitting at a dealership after I declined to sign Kia's buyback so yes it available for inspection. As for my safety and other the fact a fuel tank is swelling under where people would sit and it is highly flammable/ combustible is kind of alarming to me. Yes, there are plenty of people having the same problems. The dealership has sent pictures and videos into Kia for their engineers to look over. The day before the car became immobile it was getting horrible gas mileage. There was no other things that happened no lights on the dash.

In June 2025, while driving my 2023 Kia K5 (VIN: [XXX] ) at highway speeds on [XXX], the fuel tank suddenly imploded. A loud bang caused the rear seats to lift, startling me and my passengers. The car lost power, and braking too hard risked leaving us stranded in fast-moving traffic. I narrowly avoided a crash while trying to maneuver us to safety. This vehicle was previously recalled by Kia in April 2024 for a fuel tank defect affecting ~236,000 vehicles. I took it to Gunther Kia in Davie, FL for inspection, and they claimed it was fixed. In March 2025, I returned to Hollywood Kia because of popping sounds and a check engine light. They diagnosed and “repaired” a purge control valve but failed to address the underlying defect. Despite these repairs, the catastrophic failure still occurred. The vehicle is now completely inoperable and irreparable. Kia later offered to...

I was driving with no other cars around, and i heard what sounded to be an explosion, come to find out my sunroof had exploded. I had glass fly all over the back windshield, and onto the road behind me. This could have caused an accident or damage to other vehicles if someone was around me.

Why is Kia Dealership are allowed to sale cars that have recalls. Knowing that they have recalls and are allowed to sale. why not fix the issues and then sale. Safety Concerns driving and have to kids in the back car 65mph and car shut down breaks don't work or accelerator used the emergency breaks had shut down the car. Took it to the dealership I been calling them status on my car with no information provided. Imaging being behind 18 wheeler my accelerator don't work. Parts for recalls are out stock so why keep cars in the dealership knowing they don't have parts to fix the issues.

Glacier white pearl paint is faulty. Chips and peals. Simply driving the car and getting rained on caused the paint to chip and peal.

I noticed several internal markings like streaks on the left windshield. I presented this issue to KIA ASAP. KIA service managers examined the windshield and refused to acknowledge that it was internal, possibly due to a manufacturing defect from a containment during the manufacturing process from the windshield company. They do claim that they feel pits on the windshield, which was due to another dealership scraping the object to see if it was external or internal. KIA told me to file a claim with my auto insurance company and that it is not covered under warranty. I am concerned that the windshield integrity is compromised and a possible danger to someone hitting the windshield which could cause additional injuries from the safety glass deficiency.

Was driving on the highway at roughly about 70 MPH and all of a sudden heard a big explosion and found out my sunroof blew open with glass all over the back seat and inside of my car. Luckily no one was in the back seat, if there was, they would have been injured very badly.

I was involved in a traffic accident on May 29 2023. I was hit on the passenger side sustaining $18,000 in damages. My side air bag never went off.

Unknown

My sunroof exploded while driving on Lakeshore drive. I hear a loud boom and I almost crashed. I thought it was my tire or something else look up its my sunroof, I could have hit some one or hit something. It hasn't been inspected or anything as of yet it just happened at 6:30am. This is crazy because there was no warnings no cracks no anything. I ride with my sunroof cracked open every morning. so I don't understand.