2015 Kia Optima acceleration & cruise control problems

Related recalls

No recalls on file.

What owners say

1. Filed Sep 20, 2026KYEngineAcceleration & Cruise Control

   My energy in my car started messing up with only 150,000 miles it had a long knocking sound and it would not got over 20 miles while driving

   NHTSA complaint #11765682 · source
2. Filed Mar 25, 2025FLEngineAcceleration & Cruise Control

   When driving on the highway my car suddenly started to stall with me on the highway. It went from 80 miles per hour to 20 miles per hour and then completely shut off in the lane of the highway. Thankfully I was able to pull over to safety. I attempted to start again, and the engine started with a weird noise coming from it. I had it towed to my local Mechanic who told me that my engine is part of a safety recall.

   NHTSA complaint #11650475 · source
3. Filed Sep 19, 2024174,000 miCATowedAcceleration & Cruise ControlSteering

   The contact owns a 2015 Kia Optima. The contact stated while driving at an undisclosed speed, the accelerator pedal was depressed; however, the vehicle failed to accelerate as intended. Additionally, the steering seized. The contact stated that the steering wheel was difficult to turn, and the vehicle lost motive power. The vehicle was restarted; however, the failure reoccurred. The vehicle was towed to the residence. The vehicle was not diagnosed or repaired by an…

   NHTSA complaint #11615440 · source
4. Filed Sep 4, 2024120,000 miNJEngineAcceleration & Cruise Control

   The contact owns a 2015 Kia Optima. The contact stated while driving uphill at 20 MPH, the vehicle hesitated and the accelerator pedal was depressed; however, the vehicle stalled. The contact stated that the check engine warning light was illuminated. The local dealer was contacted. The vehicle was not diagnosed or repaired. The manufacturer was notified of the failure. The approximate failure mileage was 120,000.

   NHTSA complaint #11612591 · source
5. Filed Jun 28, 2024CAEngineAcceleration & Cruise Control

   Car would not drive faster than 25 mph. Check engine light on codes p1326 and p0014. Not eligible for ki engine settlement but have the same issue..

   NHTSA complaint #11597364 · source
6. Filed Apr 3, 2024AZElectrical SystemEngineAcceleration & Cruise Control

   I was driving in downtown Gilbert when I pulled up to a red light. My car would not inch forward when taking foot off brake. I then had to put my foot all the way down to get my car to drive. When taking a turn my car would run perfectly until I stopped. Then we pull up to parking garage and the car just stops without while in drive so I put it in park and then turn it off and then back on and it works again. I had the alternator, battery and starter checked and they were…

   NHTSA complaint #11580918 · source
7. Filed Mar 6, 2024CAEngineOther / UnknownAcceleration & Cruise Control

   The last recall that was fixed is occuring again . Car loosing power warning signal popping up Sometimes smells like matches after parked.

   NHTSA complaint #11575868 · source
8. Filed Feb 8, 2024101,650 miTXEngineOther / UnknownAcceleration & Cruise Control

   3 months prior to my car going into limp mode I had an incident where I was on the highway and had to come to a stop of major traffic and suddenly my car cut off out of nowhere. I got it to crank after putting it in park, but it was very scary being on the highway thank God it was traffic to where cars wasn't going so fast. Fast-forward to my recent incident to now my car's now in limp mode (MIL) same situation different times was getting on the highway and started to pick…

   NHTSA complaint #11570912 · source
9. Filed Oct 8, 2023TXEngineFuel, Hybrid & EV PropulsionAcceleration & Cruise Control

   1st problem happened when I was at a complete stop, at a traffic light, in rush hour traffic. All the sudden steam started coming out from underneath my hood. I instantly looked at my temperature gauge and it did not show anything however I knew something was wrong when the light turned green I immediately pulled over, out of the street as far as I can get without being hit by other cars. I put on my hazard lights. Pop the hood. I had a gallon jug in my trunk. And I walked…

   NHTSA complaint #11548919 · source
10. Filed Mar 30, 202380,000 miGAEngineAcceleration & Cruise Control

    The contact owns a 2015 Kia Optima. The contact stated that while driving approximately 70 MPH, the vehicle inadvertently decelerated to 60 MPH. The vehicle began to shudder and failed to accelerate above 20 MPH. The check engine warning light was illuminated and flashing. The local dealer was not contacted. The vehicle was not diagnosed or repaired. The manufacturer was not contacted. The approximate failure mileage was 80,000.

    NHTSA complaint #11514644 · source
11. Filed Mar 12, 2023ILEngineAcceleration & Cruise ControlTransmission & Drivetrain

    The engine lost power taking off crossing a major roadway, resulting in a stall, vehicle had to be restarted in a panic. The knocking and loss of power put me and my passenger in danger of a side impact from cross traffic. The issue was reproduced by a dealer upon further inspection. The vehicle will be inspected by a service department at certified dealership. No warnings lights or fault warnings appeared related to this issue.

    NHTSA complaint #11511467 · source
12. Filed Mar 10, 2023PAEngineAcceleration & Cruise ControlTransmission & Drivetrain

    On 3/1/23 on my way home from my which the site was in Perth Amboy, NJ. At the North Somerset rest stop, just exited the I-76 westbound. I lost power around 65 mph. I didn't get any response from my brakes at first and nothing from my accelerator. Upon drifting and praying that I'd make it to the lot out of the main exiting lane. Upon pulling into a spot at the very farthest spot from the building, I noticed my check engine light is flashing. Press my brakes were working.…

    NHTSA complaint #11511227 · source

Source: U.S. National Highway Traffic Safety Administration (NHTSA) Office of Defects Investigation public data. Complaints are submitted by owners and are not verified by NHTSA or by us; a complaint does not prove a defect exists. View this vehicle on NHTSA.gov Methodology