Segment:
Mid-size Sedan, Hybrid Segment
Target Audience:
Consumers seeking fuel efficiency, comfort, and modern styling in a sedan.
Key Competitors:
Toyota Camry Hybrid, Ford Fusion Hybrid, Hyundai Sonata Hybrid, Chevrolet Malibu Hybrid
Powertrain Efficiency:
Combined gasoline-electric hybrid powertrain offering improved fuel economy.
Styling:
Sleek and modern design, a departure from more conservative competitors.
Interior Comfort:
Spacious cabin with quality materials, often praised for comfort and features.
Technology:
Available advanced technology features for its time.
General Coverage:
Complete factory service and repair information
Specific Systems:
Engine, Hybrid System, Transmission, Chassis, Body, Electrical, HVAC, Diagnostics
Estimated Pages:
Hundreds of pages (exact count not specified, but described as 'complete' and printable)
Type:
Factory Service Repair Manual
Powertrain:
2.4L Theta II GDI Engine, Electric Motor, Hybrid System Control Module (HSCM), Battery Pack, Power Control Unit (PCU), 6-Speed Automatic Transmission
Chassis:
Suspension (Front McPherson Strut, Rear Multi-Link), Steering (Electric Power Steering - EPS), Brakes (Front Ventilated Discs, Rear Solid Discs, ABS, ESC, HAC, VSM, Regenerative Braking System)
Electrical:
Wiring Diagrams, Fuses and Relays, Battery, Charging System, Lighting (LED Headlights, Tail Lights), Audio System, Navigation System, Instrument Cluster, Body Control Module (BCM)
Body And Interior:
Body Panels, Doors, Windows, Seats, Interior Trim, Restraint Systems (Airbags, Seatbelts)
Hybrid Specific:
Hybrid System Components, High Voltage Battery Management, EV Mode Operation, Charging System, Hybrid Control Strategies, Diagnostic Trouble Codes (DTCs) related to hybrid operation
Maintenance:
Scheduled Maintenance, Oil Changes, Filter Replacements, Fluid Checks and Replacements, Tire Rotation, Brake Inspections
Repair:
Engine Overhaul, Transmission Repair, Suspension Component Replacement, Brake Caliper and Rotor Replacement, Electrical Component Diagnosis and Repair, Body Panel Repair and Replacement
Diagnostics:
Troubleshooting Guides, Diagnostic Trouble Code (DTC) interpretation, Electrical System Testing, Hybrid System Fault Diagnosis
Installation:
Component Replacement (e.g., alternators, starter motors, sensors), Aftermarket Accessory Installation guidance (general principles)
Depth:
Comprehensive: Covers routine maintenance, diagnostics, component-level repair, and major overhauls.
Diagnostic Tools:
Information on using scan tools for diagnostic code retrieval and data monitoring (generic and potentially Kia-specific).
Searchability:
Likely text-searchable for efficient information retrieval.
Quality:
High quality, allowing for clear printing of text and diagrams.
Binding:
Not applicable (Digital download)
Paper Type:
Not applicable (Digital download)
Engine Type:
Inline 4-Cylinder, Atkinson Cycle
Displacement:
2.4 Liters (2359 cc)
Engine Code:
Theta II GDI (Gasoline Direct Injection)
Hybrid Motor Type:
Permanent Magnet Synchronous Motor
Combined Horsepower:
208 hp (155 kW)
Gasoline Engine Horsepower:
169 hp @ 6000 rpm
Electric Motor Horsepower:
47 hp
Combined Torque:
N/A (typically not quoted for hybrids, system torque varies)
Gasoline Engine Torque:
154 lb-ft (209 Nm) @ 4500 rpm
Fuel Delivery:
Gasoline Direct Injection (GDI)
Fuel Type:
Unleaded Gasoline
Battery Type:
Lithium Polymer (Li-Polymer)
Battery Capacity:
Approx. 1.4 kWh (specifics vary)
Hybrid System Control:
Parallel Hybrid System
Transmission Type:
6-Speed Automatic with Manual Shift Mode (also incorporates electric motor)
Optional Transmission:
N/A
Hybrid Integration:
Integrated motor-generator and clutch system for seamless power delivery.
Gear Ratios:
Specific gear ratios available within the manual.
Fluid Type:
Refer to manual for specific ATF and hybrid system fluid requirements (e.g., SP-IV or equivalent for transmission, specific coolant for hybrid components).
NHTSA Overall Rating:
Not explicitly provided for the hybrid model in general release, but the standard Optima received good ratings.
IIHS Top Safety Pick:
Not typically awarded for the 2012 model year. The standard Optima was a 'Top Pick'.
ABS:
Yes, Anti-lock Braking System
Esc:
Yes, Electronic Stability Control
Traction Control:
Yes, Traction Control System (TCS)
Brake Assist:
Yes, Brake Assist System (BAS)
Hill Start Assist:
Yes, Hill-start Assist Control (HAC)
Vsm:
Yes, Vehicle Stability Management (VSM)
Airbags:
Front airbags, Front side-impact airbags, Full-length side curtain airbags, Driver's knee airbag.
Seatbelts:
3-point seatbelts with pretensioners and load limiters, Lower Anchors and Tethers for Children (LATCH) system.
Infotainment System:
Available UVO infotainment system, touch screen displays, navigation, Bluetooth connectivity, USB/Aux inputs.
Audio System:
Standard 6-speaker audio system, optional Infinity premium audio system.
Camera System:
Available backup camera.
Parking Sensors:
Available front and rear parking assist sensors.
Bluetooth:
Standard Bluetooth hands-free calling and audio streaming.
Usb Ports:
Standard USB and auxiliary audio input jacks.
Ev Mode:
Ability to drive on electric power alone at lower speeds and under light load.
Regenerative Braking:
Captures energy during deceleration to recharge the battery.
Oil Change Interval:
Typically every 7,500 miles or 12 months, whichever comes first, using synthetic oil. Refer to manual for exact specification.
Tire Rotation Interval:
Every 7,500 miles.
Cabin Air Filter Replacement:
Typically every 15,000 miles or 12 months. Refer to manual.
Coolant Replacement:
Initial change at 100,000 miles, then every 50,000 miles. Specific to hybrid system coolant is critical and detailed in the manual.
Engine Oil:
API SN or ILSAC GF-5 certified synthetic 0W-20 engine oil.
Engine Oil Capacity:
Approx. 4.8 quarts (4.5 liters) with filter change. Refer to manual.
Coolant:
Hyundai/Kia Long Life Antifreeze/Coolant (Blue) or equivalent for gasoline engine. Specific coolant for hybrid components is critical and detailed in the manual.
Brake Fluid:
DOT 3 or DOT 4 brake fluid.
Hybrid System Reliability:
Generally good, but early hybrid battery failures or issues with the hybrid control module have been reported in some instances. The manual will detail diagnostic procedures.
Engine Issues:
Some reports of oil consumption in certain Theta II engines, though less common in the GDI variant. Refer to manual for oil consumption checks.
Electrical Gremlins:
As with many modern cars, minor electrical glitches can occur. The manual's wiring diagrams are invaluable for troubleshooting.
Kia Heritage:
Kia Motors Corporation, founded in 1944, has grown from a small manufacturer of steel tubing and bicycles to South Korea's second-largest automaker.
Optima Lineage:
The Optima (known as K5 in some markets) replaced the Kia Magentis. The 2011-2015 generation (TF) marked a significant design and engineering upgrade.
Hybrid Introduction:
The Optima Hybrid was introduced for the 2011 model year in the US, aiming to compete in the growing mid-size hybrid sedan market.
Manufacturing Location:
Hwaseong, South Korea (Kia's main manufacturing facility)
Fuel Economy Awards:
The Optima Hybrid was noted for its competitive fuel economy figures, often praised for highway efficiency. Specific awards varied by publication and testing.
Consumer Reports Ratings:
Consumer Reports ratings for the 2012 Optima Hybrid varied, with praise for its comfort and fuel economy, but some noted concerns about the hybrid system's responsiveness or long-term reliability compared to established leaders.
Emissions Certifications:
Certified to meet relevant EPA and CARB emissions standards for its model year.