There are 2 owner-reported brakes complaints for the 2026 Kia Seltosin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
The contact owns a 2026 Kia Seltos. The contact stated that while driving 25 MPH and depressing the brake pedal to make a right turn, the brake pedal went to the floorboard and the vehicle accelerated independently. A dealer was contacted. The vehicle was towed to the dealer to be diagnosed, and the contact was informed that the brake line needed to be tightened and the brake fluid reservoir needed to be topped off. The vehicle was repaired. The manufacturer was notified of the failure and informed that there was no warranty for the repair. The manufacturer denied the buyback request. The approximate failure mileage was 1,322.
The contact owns a 2026 Kia Seltos. The contact stated that the heating system was inoperable and was blowing cold air. The vehicle was taken to the dealer, where the contact was informed that the radiator cap was not tightened, causing air to build up in the system. The dealer tightened the radiator, and the vehicle was repaired. The contact stated that there was an abnormal ticking sound coming from the engine. The vehicle was taken to the dealer, where the contact was informed that the sound was likely coming from the fuel injectors. The contact stated that while driving from a complete stop on several occasions, the vehicle hesitated to respond. The vehicle was taken to the dealer, where an unknown part was disconnected. Additionally, the contact stated that while driving approximately 25 MPH and making a turn on a bypass, the brake pedal travelled down to the floorboard while depressed, and the vehicle failed to respond, causing the contact to panic. The contact shifted to park(P) and drove over a grassy area, but the vehicle failed to respond as needed. The contact stated that the vehicle eventually rolled to a stop. The vehicle was towed to the dealer, where it was diagnosed and it was determined that the driver's side rear brake line was loose and leaking, and there was air in the brake line. The vehicle was repaired. No further information was available. The failure mileage was approximately 1,200.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 26, 2026