NHTSA Complaint #11664783 — 2015 KIA OPTIMA ENGINE AND ENGINE COOLING

Complaint Details

ODI Number	11664783
Vehicle	2015 KIA OPTIMA
Component	ENGINE AND ENGINE COOLING
Date of Incident	May 3, 2025
Date Filed	June 4, 2025
Mileage	70,000 miles
Crash	No
Fire	No
Injuries	0
Deaths	0
Vehicle Towed	No
State	OH

Consumer Description

The contact owns a 2015 Kia Optima. The contact stated while driving approximately 75 MPH, the vehicle independently decelerated to approximately 60 MPH. The contact stated that the check engine warning light was flashing. The vehicle was towed to the local dealer, but the cause of the failure was not yet determined. The contact stated that a knock sensor was installed to monitor the engine performance. The manufacturer was not yet contacted regarding the failure. The failure mileage was 70,000. The VIN was not available.

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