What are the most common problems with the 2012 Kia Optima Hybrid?

Owners have filed 109 complaints with NHTSA. The most frequently reported area is engine (72 complaints), followed by electrical system (20).

How many 2012 Kia Optima Hybrid complaints mention a crash or fire?

5 of 109 complaints report a crash and 5 a fire; 2 injuries were reported in total. Complaints are unverified reports from owners.

2012 Kia Optima Hybrid recalls and problems

3 recalls and 109 owner complaints on file with NHTSA for the 2012 Kia Optima Hybrid.

recalls

109

owner complaints

complaints mentioning a crash

mentioning a fire

Recalls apply to specific production ranges. To see whether a particular car still has an open recall, enter its VIN at nhtsa.gov/recalls. Repairs for safety recalls are free at authorised dealers.

2012 Kia Optima Hybrid recalls

Service brakes, hydraulic: antilock/traction control/electronic limited slip, control unit/module

NHTSA campaign 23V652000 · reported September 25, 2023 · Kia America, Inc. · 1,730,192 vehicles potentially affected

The problem: Kia America, Inc. (Kia) is recalling certain 2010-2019 Borrego, 2014-2016 Cadenza, 2010-2013 Forte, Forte Koup, Sportage, 2015-2018 K900, 2011-2015 Optima, 2011-2013 Optima Hybrid, Soul, 2012-2017 Rio, 2011-2014 Sorento, and 2010-2011 Rondo vehicles. The Hydraulic Electronic Control Unit (HECU) may experience an electrical short, which can result in an engine compartment fire while parked or driving.
The risk: An engine compartment fire while parked or driving can increase the risk of injury.
The fix: Owners are advised to park outside and away from structures until the recall repair is complete. Dealers will replace the HECU fuse, free of charge. Interim notification letters, notifying owners of the safety risk, were mailed November 14, 2023. Owner notification letters were mailed March 29, 2024 through June 18, 2024. Owners may contact Kia customer service at 1-800-333-4542. Kia's number for this recall is SC284.

Engine

NHTSA campaign 20V750000 · reported December 2, 2020 · Kia Motors America · 294,756 vehicles potentially affected

The problem: Kia Motors America (Kia) is recalling certain 2012-2013 Sorento, 2012-2015 Forte and Forte Koup, 2011-2013 Optima Hybrid, 2014-2015 Soul, and 2012 Sportage vehicles. An engine compartment fire can occur while driving.
The risk: An engine compartment fire increases the risk of injury.
The fix: Kia will notify owners, and dealers will inspect the engine compartment for fuel and/or engine oil leaks, perform an engine test and make any repairs, including engine replacement, as necessary, free of charge. In addition, Kia dealers will update the Knock Sensor Detection System (KSDS) software, free of charge. The recall began January 27, 2021. Owners may contact Kia customer service at 1-800-333-4542. Kia's number for this recall is SC200.

Air bags: air bag/restraint control module

NHTSA campaign 18V363000 · reported June 1, 2018 · Kia Motors America · 507,587 vehicles potentially affected

The problem: Kia Motors America (Kia) is recalling certain 2010-2013 Kia Forte, Forte Koup, 2011-2013 Kia Optima and 2011-2012 Kia Optima Hybrid and Sedona vehicles. In the event of a crash, the air bag control unit (ACU) may short circuit, preventing the frontal air bags and seat belt pretensioners from deploying.
The risk: If the frontal air bags and seat belt pretensioners are disabled, there is an increased risk of injury to the vehicle occupants in the event of a vehicle crash that necessitates deployment of these safety systems.
The fix: Kia will notify owners. For model year 2011 Sedona vehicles, Kia will instruct dealers to verify the ACU part number and, if necessary, install an extension wire harness kit between the ACU Connector and the Vehicle Harness Connector. For all other affected vehicles, Kia will instruct dealers to install the extension wire harness kit. The recall began September 28, 2018. Owners may contact Kia customer service at 1-800-333-4542. Kia's number for this recall is SC165.

Most reported problems

Areas named in owner complaints to NHTSA. One complaint can name several areas.

Engine72
Electrical system20
Power train10
Steering9
Unknown or other8
Service brakes6
Service brakes, hydraulic6
Vehicle speed control5
Air bags4
Fuel/propulsion system3

What owners report

Recent complaints filed with NHTSA, shortened. These are unverified accounts from owners, not findings.

Aug 19, 2026 · Service brakes, hydraulic
The contact owns a 2012 Kia Optima. The contact stated that while idling or while driving, the message "Hybrid Warning System - Check Brake - Stop Driving Immediately" was intermittently displayed. The contact stated that while driving and depressing the brake pedal, the vehicle failed to respond as intended, causing…

Jul 17, 2026 · Service brakes
Electriconic braking moduel with "Check Brake" indication light and"Hybrid System Warning! and vehicle will come to a stop and warning flights will flash until you turn off the vehicle sit for 10-20 minutes. Brakes will not work and vehicle loses power. Battery has been replaced and large 140 fuse in trunk of vehicle…

Dec 10, 2024 · Electrical system · 60,000 miles
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…

May 29, 2024 · Service brakes, hydraulic
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…

May 13, 2024 · Service brakes, hydraulic
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…

Optima Hybrid model years compared

Year	Recalls	Complaints	Crashes	Fires
2011	3	34	2	2
2012	3	109	5	5
2013	2	56	1	2
2014	0	31	5	1
2015	0	12	0	2

Across all years, the 2012 Optima Hybrid has the most complaints (109). All Kia Optima Hybrid years →

Questions

Does the 2012 Kia Optima Hybrid have any recalls?: Yes. NHTSA lists 3 recalls for the 2012 Kia Optima Hybrid, the most recent reported on September 25, 2023 (Service brakes, hydraulic: antilock/traction control/electronic limited slip, control unit/module). Check a specific car by its VIN at nhtsa.gov/recalls.
What are the most common problems with the 2012 Kia Optima Hybrid?: Owners have filed 109 complaints with NHTSA. The most frequently reported area is engine (72 complaints), followed by electrical system (20).
How many 2012 Kia Optima Hybrid complaints mention a crash or fire?: 5 of 109 complaints report a crash and 5 a fire; 2 injuries were reported in total. Complaints are unverified reports from owners.

Source: NHTSA recall and complaint data, updated October 27, 2026. Latest complaint received August 19, 2026.