2016 Kia Optima service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.
Built for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and use wiring diagrams and system sections to diagnose problems faster.
What’s included
- Step-by-step repair procedures and service information
- Specifications and reference data (where provided)
- Electrical coverage with wiring diagrams
- Coverage across key systems: engine, transmission, brakes, steering, suspension, HVAC, and more
Trims covered
- Hybrid EX Premium Sedan 4-Door
- SXL Sedan 4-Door
- SX Sedan 4-Door
- Hybrid Sedan 4-Door
- Hybrid LX Sedan 4-Door
- EX Sedan 4-Door
- SX Limited Sedan 4-Door
- LX 1.6T Sedan 4-Door
- Hybrid EX Sedan 4-Door
- LX Sedan 4-Door
Engines covered
- 2.4L 2359CC l4 FULL HYBRID EV-GAS (FHEV) DOHC Naturally Aspirated
- 2.0L 1998CC 122Cu. In. l4 GAS DOHC Turbocharged
- 2.0L 1999CC 122Cu. In. l4 GAS Turbocharged
- 2.4L 2400CC 146Cu. In. l4 GAS Naturally Aspirated
- 2.4L 2359CC l4 GAS DOHC Naturally Aspirated
- 1.6L 1591CC 97Cu. In. l4 GAS DOHC Turbocharged
Index / Table of contents
- Body
- Brakes
- Chassis Electrical
- Driveline
- Engine Cooling
- Engine Electrical
- Engine Mechanical
- Engine Performance & Emission Controls
- Fuel System
- General Information & Identification
- Heating, Ventilation, & Air Conditioning
- Hybrid & Electric Vehicle Systems
- Steering
- Suspension
- Transmission, Clutch, & Transfer Case
- Wiring Diagrams
Kia America, Inc. (Kia) is recalling certain 2016-2017 Rio, 2016-2018 Optima, 2017-2018 Optima Hybrid and Optima Plug-in Hybrid vehicles. The trunk latch base may crack, preventing the opening of the
A person inside the trunk compartment may become trapped, increasing their risk of injury.
Dealers will replace the trunk latch base subassembly, free of charge. Owner notification letters w
Kia Motors America (Kia) is recalling certain model year 2016 Kia Optima vehicles manufactured November 10, 2015, to February 12, 2016. In these vehicles, a chemical enhancer required for the for the
If the second stage air bag does not deploy it increases the risk of injury or death.
Kia will notify owners, and dealers will replace the driver's frontal air bag module, free of charge
Kia Motors America (Kia) is recalling certain 2011-2017 Optima, 2012-2017 Sorento and 2011-2018 Sportage vehicles that previously received an engine replacement under recall number 17V-224, warranty,
A fuel leak in the presence of an ignition source can increase the risk of a fire.
Kia has notified owners, and dealers will inspect and replace the fuel pipe, as necessary, free of c
Kia Motors America (Kia) has recalled one 2016 Optima vehicle. In this vehicle, the end seal for the driver's frontal air bag inflator may not have been properly installed, possibly resulting in redu
In the event of a crash, an air bag that does not inflate fully increases the risk of injury.
The affected vehicle was remedied on January 10, 2017. Owners may contact Kia customer service at 1
Kia Motors America (Kia) is recalling certain model year 2016 Kia Optima vehicles manufactured November 13, 2015, to April 23, 2016 and equipped with a 2.4l engine. The right front axle driveshaft ma
If the driveshaft cracks and separates from the vehicle, it will not be able to move forward. Addit
Kia will notify owners, and dealers will replace the front axle driveshaft, free of charge. The rec
TECHNICAL SERVICE BULLETIN: PARTIAL REPAIR - ELECTRICAL A/C COMPRESSOR - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area. This bulletin
PIT STOP: A/C DYE FOR E-COMPRESSOR EQUIPPED VEHICLES - This bulletin provides information on the proper non-conductive A/C system leak detection dye to be used in all EV, HEV, and PHEV models equipped with an electric A/C compressor.
VOLUNTARY EMISSIONS SERVICE CAMPAIGN: THETA II 2.4L GDI EMISSIONS: ECM LOGIC IMPROVEMENT (SC340 REVISION 5) - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black b
VOLUNTARY EMISSIONS SERVICE CAMPAIGN: OWNER NOTIFICATION (SC340 FLIGHT 104 ) - This document is the owner notification advising that Kia is conducting a Voluntary Emissions Service Campaign to improve the emissions software logic in the Ele
TECHNICAL SERVICE BULLETIN: VOLUNTARY EMISSIONS SERVICE CAMPAIGN: THETA II 2.4L GDI EMISSION SECM LOGIC IMPROVEMENT (SC340 REV 4) - This bulletin has been revised to include additional information. New/revised sections of this bulletin are
TECHNICAL SERVICE BULLETIN: CUSTOMER SATISFACTION: THEFT DETERRENT IGNITION CYLINDER PROTECTOR AND DECAL INSTALLATION (CS2312) - This bulletin has been revised to include additional information. New/revised sections of this bulletin are ind
CUSTOMER SATISFACTION CAMPAIGN: OWNER NOTIFICATION (CS2312) - This document is the owner notification advising that Kia is conducting Customer Satisfaction Campaign. A software upgrade that addresses the social media theft method has been m
VOLUNTARY EMISSIONS SERVICE CAMPAIGN: OWNER NOTIFICATION (SC340 FLIGHT 103 / JF) - This document is the owner notification advising that Kia is conducting a Voluntary Emissions Service Campaign to improve the emissions software logic in the
Showing the 8 most recent of 173 technical service bulletins on file with NHTSA.
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I WAS REAR ENDED WHILE STOPPED IN BREAKDOWN LANE OF A SECONDARY HIGHWAY (40 MPH) PROBLEM THAT I WOULD LIKE TO ADDRESS IS THE INADEQUATE CUSHIONING IN THE HEADRESTS OF THIS CAR AND PROBABLY MANY OTHERS
I WAS REAR ENDED WHILE STOPPED IN BREAKDOWN LANE OF A SECONDARY HIGHWAY (40 MPH) PROBLEM THAT I WOULD LIKE TO ADDRESS IS THE INADEQUATE CUSHIONING IN THE HEADRESTS OF THIS CAR AND PROBABLY MANY OTHERS
Showing the 5 most serious of 1047 complaints filed with NHTSA.
