Exhaust starting putting out white smoke and loss of power on accelerator while speeding up. Normally when merging onto highway or taking off after stop. Assumed head gasket with coolant in oil. Took to get oil change, milky/sludgy oil to back up that thought. No coolant in reservoir. Took to dealership, they claim lack of maintenance despite all maintenance records. They will not report records to kia corporate leading to denied warranty. Will not provide testing results. Claimed piston rings were destroyed. Would not give explanation for loss of coolant. Will not speed up going onto highway and continues to put out white smoke. No lights on vehicle.

Source: NHTSA complaint ODI #11764688 · view all complaints for this vehicle at nhtsa.gov

My 2024 Kia Seltos (leased, approximately 19,800 miles) received an over-the-air (OTA) software update on [07/03/2026]. The vehicle's screen prompted me to approve the update and stated it would complete with the ignition off. I approved it and exited the vehicle as instructed by Kia's on-screen directions and owner's manual. Immediately after this update, the vehicle developed an intermittent no-start condition, and the 12V battery went completely flat, accompanied by an ESC (Electronic Stability Control) warning. The vehicle had no electrical or starting problems of any kind before the update. The vehicle was disabled and could not be started without a jump start, which is a safety concern — this could strand a driver in an unsafe location or in extreme weather. The dealer (Car Pros Kia Glendale, RO #531279, dated 07/25/2026) performed a full system scan, found no DTCs, and confirmed the 12V battery failed testing. The dealer's repair order documents the customer complaint as "intermittent no start condition and battery went completely flat after the software update." The battery was replaced at my expense. The vehicle's software version after the update was NNK-02-0118 (previous resident version NNK-02-0108). Kia America has acknowledged partial responsibility by approving a 50% goodwill reimbursement. I am reporting this because a manufacturer-initiated OTA update that discharges the battery and disables the vehicle is a safety defect that may affect other vehicles.

Source: NHTSA complaint ODI #11753039 · view all complaints for this vehicle at nhtsa.gov

The front brakes prematurely failed at 5,000 miles and this is a brand new vehicle. We had 3 miles or so at purchase (purchase date: August 7, 2024). By January 4, 2025 or so, the front brakes began making grinding noises. We had a licensed, independent shop inspect this and then replace the worn brakes on January 6, 2025. We have driven the vehicle as we have driven other vehicles and we have never seen brand new brakes wear out after 5,000 miles with standard driving. We believe it could be due to the driver assistance technology and would like this to be thoroughly reviewed. Hopefully, Kia can reimburse us with some discount on other routine maintenance as this is a cost we did not expect so soon with a brand new vehicle.

Source: NHTSA complaint ODI #11634720 · view all complaints for this vehicle at nhtsa.gov

While driving, the vehicle suddenly began handling abnormally. In response, we safely pulled over as quickly as possible. Before we could fully stop, the wheel catastrophically failed. The rim cracked around the entire circumference, the tire completely separated from the vehicle, and the vehicle lost stability and struck the guardrail. As a result of this incident, the vehicle sustained substantial damage, including but not limited to: •Complete destruction of the wheel/rim; •Tire separation; •Axle and suspension damage; •Body damage to the driver-side front and rear panels; and •Additional mechanical damage that is still being assessed. Photographs taken immediately after the incident clearly show that the wheel fractured around the rim itself. The damage pattern is consistent with a catastrophic wheel failure, not ordinary cosmetic damage or curb rash. When I initially contacted the Kia dealership, I was told that they had "never seen anything like it." However, after the vehicle was towed to the dealership, the explanation changed, and I was informed that Kia now believes the vehicle must have struck something and that the impact caused the wheel to fail. That explanation is inconsistent with what occurred. At no point prior to the failure did we strike debris, a pothole, a curb, or any other object that would reasonably explain a complete structural fracture of the wheel and the tire separating from the vehicle. The wheel failed first. The collision with the guardrail occurred only after the catastrophic wheel failure and loss of control while attempting to safely pull over.

Source: NHTSA complaint ODI #11744857 · view all complaints for this vehicle at nhtsa.gov

Issue: Defective Seatbelt Sensor - Refused Warranty Repair Vehicle: 2024 Kia Seltos EX Make/Model/Year: Kia Seltos, 2024 Mileage (approx.): 12,033 I am filing a formal safety complaint regarding a malfunctioning seatbelt sensor on my 2024 Kia Seltos EX. The front passenger seatbelt alarm goes off repeatedly even when there is no one sitting in the seat, and this behavior is unpredictable and distracting while driving. When I contacted the Kia dealership (Summit Place Kia, Auburn Hills, MI), they refused to inspect or repair the issue without charging me $180 upfront, even though my vehicle is fully under warranty and this clearly relates to a safety system. They claimed they would only waive the fee if they determine it’s covered, which gives them the option to deny responsibility arbitrarily. Kia Consumer Affairs was contacted and gave the same answer: pay up front or we won’t look at it. This raises major concerns about Kia’s warranty practices and possible violations of federal law requiring free repairs of safety-related defects under warranty. I am reporting this to request investigation and to hold the manufacturer accountable for failing to honor federally mandated coverage.

Source: NHTSA complaint ODI #11676977 · view all complaints for this vehicle at nhtsa.gov

Came out of work to a cracked windshield. There was no crack in my windshield prior to this. The crack spans across half of the windshield requiring a full replacement which is going to come completely out of pocket for me because I had a $1000 deductible. Had I known this was such a common issue with this year make and model, I would’ve opted for the $0 glass deductible. As many others have reported and stated, this was never an issue I’ve had with any other vehicle I’ve owned. It is clearly a manufacturing defect and SHOULD be covered by Kia. I’ve had this car for 7 months.

Source: NHTSA complaint ODI #11718087 · view all complaints for this vehicle at nhtsa.gov