Market Segment:
Mid-size sedan, focusing on fuel efficiency and hybrid technology.
Competitive Set:
Toyota Camry Hybrid, Ford Fusion Hybrid, Hyundai Sonata Hybrid.
Hybrid Powertrain:
Combination of 2.4L gasoline engine and electric motor for improved fuel economy.
Design:
Sleek, European-inspired styling for its generation.
Technology:
Features common to its segment including infotainment, climate control, and safety systems.
Geographic Coverage:
Global (US market focus implied by typical product offerings)
Trim Level Coverage:
Likely covers all standard trim levels for the 2012 Optima Hybrid.
Estimated Page Count:
1500-2000 pages (typical for comprehensive workshop manuals)
Manual Type:
Service Repair Workshop Manual
Powertrain:
Engine (internal combustion and electric motor), Hybrid system components (battery pack, power control unit, inverter), Transmission, Cooling system.
Chassis:
Suspension (front and rear), Steering, Brakes (including regenerative braking system), Wheels and Tires.
Electrical:
12V electrical system, High-voltage hybrid system wiring, Battery management system, Charging system, Lighting, Audio system, Climate control system.
Bodywork:
Exterior body panels, Interior trim, Glass, Doors, Seats, Safety restraints (airbags, seatbelts).
Maintenance:
Scheduled maintenance, Oil and filter changes, Fluid level checks and top-offs, Spark plug replacement, Air filter replacement, Brake pad inspection and replacement.
Diagnostics:
Troubleshooting guides, Diagnostic trouble codes (DTCs) interpretation, Component testing procedures, Wiring diagrams for fault finding.
Repair Rebuild:
Engine overhaul, Transmission repair, Hybrid system component replacement (e.g., inverter, battery module, electric motor), Brake system component replacement, Suspension and steering component replacement.
Special Procedures:
Hybrid system high-voltage component handling and safety precautions, Battery pack service, Power control unit calibration, Hybrid system diagnostics and repair.
Depth:
Comprehensive (from basic maintenance to full engine and hybrid system rebuilds), including detailed specifications and diagnostic procedures.
Searchability:
Text-searchable (essential for quick information retrieval)
Print Quality:
High-resolution, clear images, diagrams, and text suitable for printing.
Binding Type:
N/A (Digital PDF Download)
Paper Type:
N/A (Digital PDF Download)
Engine Type:
2.4L Inline-4 (Gasoline) + Electric Motor
Displacement:
2359 cc (143.9 cu in)
Bore X Stroke:
93.0 mm x 86.0 mm (3.66 in x 3.39 in)
Compression Ratio:
12.5:1
Combined Horsepower:
206 hp @ 5000 rpm (System Output)
Gasoline Engine Horsepower:
169 hp @ 6000 rpm
Electric Motor Horsepower:
30 kW (40 hp)
Combined Torque:
247 lb-ft (System Torque) (Primarily from electric motor at low speeds)
Fuel Delivery:
Electronic Fuel Injection (MPI)
Fuel Type:
Unleaded Gasoline (87 Octane Recommended)
Battery Type:
Lithium Polymer (Li-Polymer)
Battery Capacity:
Approx. 1.4 kWh (Varies by specific configuration)
Transmission Type:
6-Speed Automatic with Sportmatic (incorporating hybrid drive components)
Optional Transmission:
N/A (Standard for Hybrid model)
Hybrid Integration:
Seamless integration of gasoline engine and electric motor for optimal performance and efficiency.
Transmission Fluid Type:
Kia Genuine ATF SP-IV or equivalent (refer to manual for exact specification and part number)
Transmission Fluid Capacity:
Refer to manual for precise capacity (typically 7-9 quarts for overhaul).
NHTSA Overall Safety Rating:
Likely 5-Star (Top Safety Pick by IIHS for many trims/years of Optima)
IIHS Top Safety Pick:
Yes (for standard Optima, likely applicable to Hybrid)
ABS:
Anti-lock Braking System (with Electronic Brake-force Distribution - EBD and Brake Assist - BA)
Traction Control:
Electronic Stability Control (ESC), Traction Control System (TCS).
Tire Pressure Monitoring:
Tire Pressure Monitoring System (TPMS)
Airbags:
Front airbags, Side airbags, Curtain airbags (front and rear).
Seatbelts:
3-point front and rear seatbelts with pretensioners and load limiters.
Infotainment System:
UVO (Ultimate Vehicle Experience) or similar Kia infotainment system with CD/MP3 player, AM/FM radio, SiriusXM Satellite Radio, USB and auxiliary input jacks.
Display:
Available touchscreen display (e.g., 4.3-inch or 8-inch depending on trim).
Camera Systems:
Available rearview camera.
Parking Sensors:
Available rear parking assist sensors.
Bluetooth:
Bluetooth wireless technology for hands-free calling and audio streaming.
Navigation:
Optional navigation system.
Oil Change Interval:
Every 7,500 miles (12,000 km) or 12 months, whichever comes first (using synthetic oil).
Air Filter Replacement:
Every 30,000 miles (48,000 km).
Cabin Air Filter Replacement:
Every 15,000 miles (24,000 km) or 12 months.
Spark Plug Replacement:
Every 100,000 miles (160,000 km) (Iridium type).
Coolant Replacement:
Initial replacement at 100,000 miles (160,000 km), then every 50,000 miles (80,000 km) thereafter (for hybrid system coolant).
Engine Oil Type:
SAE 0W-30 Synthetic (API SN or higher).
Engine Oil Capacity:
4.8 quarts (4.5 L) with filter change.
Coolant Type:
Hyundai/Kia Long Life Coolant (Blue) or equivalent (based on ethylene glycol and deionized water).
Brake Fluid Type:
DOT 3 or DOT 4.
Hybrid Battery Degradation:
Potential for gradual capacity loss in the hybrid battery pack over many years/high mileage, though generally reliable for this era.
Engine Oil Consumption:
Some reports of minor oil consumption, regular checks are advised.
Infotainment Glitches:
Occasional reports of infotainment system unresponsiveness or minor software glitches.
Brake Wear:
Due to regenerative braking, front brake pads may wear differently than expected; regular inspection is key.
Kia Brand Focus:
Kia, a South Korean automaker, has grown significantly in global market share by offering value, improving quality, and adopting modern design and technology.
Optima Generation Jf:
The 2012 model represents the first generation of the Kia Optima to feature a dedicated hybrid powertrain, building upon the success of the redesigned fourth-generation (TF) Optima platform.
Manufacturing Location:
Hwaseong, Gyeonggi Province, South Korea (Primarily)
Production Years Kf Platform:
2010-2015 (Standard Optima), 2011-2015 (Hybrid variants)
IIHS Recognition:
The Kia Optima (non-hybrid) consistently received IIHS Top Safety Pick awards during this generation for its crashworthiness.
Consumer Reports Ratings:
Consumer Reports typically rated the Optima well for its class in reliability and performance, though hybrid-specific ratings varied.
Epa Fuel Economy:
EPA estimated MPG: ~35 City / 40 Highway / 37 Combined (figures vary slightly by source and specific model year updates).
