Kia Optima Hybrid: Charging System / Auxiliary 12V Battery Description and Operation

Description
1.
The maintenance-free battery is, as the name implies, totally maintenance free and has no removable battery cell caps.
2.
Water never needs to be added to the maintenance-free battery.
3.
The battery is completely sealed, except for small vent holes in the cover.

   
After disconnecting then reconnecting the battery negative cable, reset some parts that require the reset procedures. (Refer to BE group - "General Information")
Auxiliary 12V Battery Components and Components Location

Components 1. Battery tray2. Auxiliary 12V Battery3. Battery upper bracket ...

Auxiliary 12V Battery Repair procedures

Removal and Installation 1. Disconnect the battery negative terminal (B) first, then the positive terminal (A). Tightening torque : (+) terminal (A) : 7.8 ~ 9.8N.m (0.8 ~ 1.0kgf.m, 5.8 ~ 7.2lb-ft) (-) ...

Other information:

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Catalytic Converter Description and Operation


Description The catalytic converter of the gasoline engine is a three way catalyst. It oxidizes carbon monoxide and hydrocarbons (HC), and separates oxygen from the oxides of nitrogen (NOx). ...

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Specifications


Specifications ItemSpecificationTypeMotor Driven Power SteeringSteering gearTypeRack & PinionRack stroke148mm (5.82in)Steering angle(Max.)Inner40.05° ± 1.5°Outer32.95° Tightening Torques ItemTightening torque (kgf.m)Nmkgf.mlb-ftHub nuts88.3 ~ 107.99.0 ~ 11.065.1 ~ 79.6Steering wheel lock nut39.2 ...

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