One problem related to 12v/24v/48v battery has been reported for the 2015 Kia Motor Optima. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2015 Kia Motor Optima based on all problems reported for the 2015 Optima.
The contact owns a 2015 kia Optima. The contact stated that the check engine and battery warning lights were illuminated. The contact stated that the engine had been replaced two weeks prior to the failure. The vehicle was taken to a local dealer for routine maintenance; however, the cause of the failure could not be determined. In addition, during a battery replacement, there were several unknown warning lights illuminated and smoke was coming from the vents. The vehicle was towed to a local dealer where it was diagnosed that there was an evap leak, the canister purge valve had cracked, and the battery needed to be replaced. The vehicle was not repaired. The contact referenced kia campaign number: sc135. The manufacturer was made aware of the failure. The failure mileage was approximately 160,000.