The contact owns a 2012 Kia Optima Hybrid. The contact stated that while attempting to drive uphill and on gravel with the Electric Drive Mode activated, the vehicle failed to move forward. The contact pressed the button to deactivate the Electric Drive Mode, but the vehicle failed to respond. The contact released the accelerator pedal until the vehicle responded as needed. The vehicle was taken to an unknown dealer, where the contact was informed that no cause for the failure was found. Additionally, the contact received notification of NHTSA Campaign Number: 23V652000 (Service Brakes, Hydraulic), and a recall repair appointment was scheduled with the dealer. The contact stated that while driving out of the driveway at 5 MPH, the message "Emergency - Pull Over - System Failure Warning" was displayed. The contact pulled back into the driveway and parked the vehicle. The contact stated that the vehicle was unsafe to drive and could not be driven to the dealer for the recall repair because the dealer was 2 hours away. The dealer was not notified of the failure. The vehicle was not diagnosed or repaired. The manufacturer was contacted and denied towing assistance. The failure mileage was approximately 60,000.

- Irvine, KY, USA

The contact owns a 2012 Kia Optima Hybrid. The contact stated the engine was previously replaced under an unstated NHTSA recall. The contact stated that five months after the repair, the malfunction indicator warning light was illuminated. The vehicle was towed to a local dealer where it was diagnosed that the replaced engine was defective and affected the high hybrid battery. The contact received notification of NHTSA Campaign Number: 23V652000 (Service Brakes, Hydraulic). However, the part to do the recall repair was not yet available. The manufacturer was contacted and offered to replace the engine and the high hybrid battery; however, the vehicle remained at the local dealer because parts were not yet available. The failure mileage was unknown.

- Denver, CO, USA

The contact owns a 2012 Kia Optima Hybrid. The contact received notification of NHTSA Campaign Number: 23V652000 (Service Brakes, Hydraulic) however, the part to do the recall repair was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The contact stated that when the vehicle was parked, the check engine warning light illuminated with the -??Hybrid - No Driving Mode-?? message displayed. The vehicle was not taken to a dealer or independent mechanic. The dealer was made aware of the failure but confirmed that parts were not yet available. The vehicle was not repaired. The manufacturer was made aware of the failure but confirmed that parts were not yet available. The failure mileage unavailable. VIN tool confirms parts not available.

- Las Vegas, NV, USA

The contact owns a 2012 Kia Optima Hybrid. The contact received notification of NHTSA Campaign Number: 23V652000 (Service Brakes, Hydraulic) however, the part to do the recall repair was not yet available. The contact stated while driving 40 MPH, the check engine warning light and several unknown warning lights were illuminated. Additionally, the contact stated that a message indicating that the Hybrid System failure was displayed. The contact stated that the failure recurred while driving. The contact parked and turned off the vehicle. The contact stated that upon starting the vehicle later, the check engine warning light remained illuminated. Additionally, the contact stated that while sitting on the rear seats, the rear seats were significantly hot because the hybrid battery was underneath the rear seats. The local dealer was not contacted. The vehicle was not diagnosed or repaired. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the failure, but no assistance was provided. The failure mileage was approximately 132,000. VIN tool confirms parts not available.

- Orlando, FL, USA

The contact owns a 2012 Kia Optima Hybrid. The contact received notification of NHTSA Campaign Number: 23V652000 (Service Brakes, Hydraulic). The contact stated that the ABS and check engine warning light was illuminated. The vehicle was towed to a friend's residence. The vehicle was not diagnosed or repaired. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was not made aware of the issue. The failure mileage was approximately 160,000.

- Austin, AR, USA