NHTSA Complaint #11594685 — 2016 KIA OPTIMA

In May of 2023, as I entered an intersection, my 2016 Hybrid Kia Optima suddenly did not feel right and gave me a hybrid system warning error. I pulled to the side of the road and shut it down. I restarted the car. The error light remained on, but the car seemed to drive okay. I finished my short distance into work, and shut it down. I called the dealer and was asked to restart it to see if the hybrid warning light came back on. I restarted it after lunch, and no warning lights came on. The dealer had me bring it in to the service department. They had it for a week or two but could not repeat the problem. They updated the software and thought that might fix the issue. The car worked fine until September 2023 when it suddenly cut out on me as I was turning a corner in my development with the same hybrid system warning error. I was able to glide to the shoulder. I restarted it and drove home with the error warning light. This time the dealer had the car towed into their shop. They had the car for a few weeks but could not diagnose the issue and gave the car back to me with a “trigger” system to monitor for codes. In about a week, the same warning light popped on my wife who pulled over and shut it off. She restarted the car and drove the remaining short distance to work with the hybrid system warning light on. Later that day, it restarted without the hybrid warning light coming on, and I drove it the short distance to the dealer. It took about another month until mid-November to diagnose the problem as a defective hybrid battery and order the under-warranty replacement. Here it is in mid-June 2024 and I am still waiting for a replacement hybrid battery. I no longer trust the car or Kia Corporate, and I haven't been able to get Kia Corporate to respond to me in over a month. Hopefully, no one else is involved in an accident due to this model car cutting out on them.