There are 1 owner-reported speed control & cruise complaints for the 2017 Kia Niroin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
- my car started releasing white smoke - i took it to repair shop, stated it was fixed, white smoke continued -car started overheating -Took it to KIA dealership and was told i was responsible for fuel leaking into engine, was told my car was not covered under warranty, I also have an extended warranty at the dealership which they wouldn't honor stating it was not covered -Recently while driving the car flashed Hybrid system Failure and shut off -I was unable to move the car -I had the car towed to the original dealer (wiz autos) and it has been there since May 2023, it is now 4 months and the car still does not work -Wiz autos informed me the car had a "lock on it" and will need to be released by KIA its been 4 months with no answers from KIA, I have been having an issue with the coolant leaking into the engine since 11/22 and although this is a common problem in these cars(manufacturers defect) KIA will not fix, or replace. I believe the coolant leaking into the engine, is causing the cars to malfunction**** Please take a look at these forums: [XXX] [XXX] Although my car is not listed in this lawsuit by KIA, i believe more cars are affected: A federal court has granted final approval of a class action lawsuit known as In re: Hyundai and Kia Engine Litigation , No. 8:17‑cv‑00838‑JLS‑JDE and Flaherty v. Hyundai Motor Company, et al. , No. 18‑cv‑02223 (C.D. Cal.) allege that 2011–2018 and certain 2019 Kia Optima, 2012–2018 and certain 2019 Kia Sorento, and 2011–2018 and certain 2019 Kia Sportage vehicles suffer from a defect that can cause engine seizure, stalling, engine failure, and engine fire, that engine seizure or stalling can be dangerous if experienced, and that some owners and lessees have been improperly denied repairs under the vehicle’s warranty. Neither KMC nor KUS have been found liable for any of the INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
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