The contact owns a 2016 Kia Optima. The contact stated that while driving at an undisclosed speed, she became aware that the driver's side window was not functioning. After which, all the windows in the vehicle failed to operate as needed. No warning lights were illuminated. The vehicle was taken to the dealer, who diagnosed a failure with all four window regulators. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was 70,000.

- Ocala, FL, USA

My complaint is regarding the rear windshield, which came with the vehicle when I purchased it new in 2016 from a Kia dealership (Santa Fe Kia, Santa Fe, New Mexico). The Optima has never been in an accident. Over the last several years, the rear windshield has become increasingly blurry making it difficult to see traffic behind me. This situation is worse particularly at night. The blurriness is both from the outside looking in and inside looking out. I have called several Kia dealers and they claim that they are not aware of the problem, and have told me that the windshield is not warranted.

- Albuquerque, NM, USA

Driver window back window (driver side) passenger window won-€™t let down and need window regulators. I-€™ve had one replaced before

- Clinton, AZ, USA