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: Weight Classification System (WCS) Repair procedures


Removal 1. Disconnect the battery negative cable, and wait for at least three minutes before beginning work. 2. Remove the front passenger seat assembly. (Refer to the Body group - "Seat") 3. Remove the OCS assembly. (Refer to the Body group - "Seat")     – There are several case about DTC, ...

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Power Seat Control Switch Repair procedures


Inspection With the power seat switch in each position, make sure that continuity exists between the terminals below. If continuity is not as specified, replace the power seat switch. A : Power seat control switch B : Lumber support switchRemoval 1. Disconnect the negative (-) battery terminal. 2. Remove ...

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