Kia Optima Hybrid: Engine Control/Fuel System

CVVT (Continuously Variable Valve Timing) System Description and Operation

Description Continuous Variable Valve Timing (CVVT) system advances or retards the valve timing of the intake and exhaust valve in accordance with the ECM control signal which is calculated by the engine ...

General Safety Information and Caution

Safety Precaution     Since hybrid vehicles contain a high voltage battery, if the high voltage system or vehicles are handled incorrectly, this might lead to a serious accidents like electric ...

Other information:

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Valve Body Repair procedures

Removal     • Be sure to read and follow the “General Safety Information and Caution” before doing any work related with the high voltage system. Failure to follow the safety instructions may result in serious electrical injuries. • Be sure to shut off the high voltage circuit according ...

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: AVN Head Unit Repair procedures

Removal AVN Head Unit     • Take care not to scratch the center fascia panel and related parts. • Eject all the disc before removing the AVN head unit to prevent damaging the CD player''s load mechanism. 1. Disconnect the negative (-) battery terminal. 2. Using a screwdriver or remover, ...