Kia Optima: Folding key / Battery replacement

Kia Optima DL3 2019-2025 Owner's Manual / Features of your vehicle / Folding key / Battery replacement

The transmitter uses a 3 volt lithium battery which will normally last for several years. When replacement is necessary, use the following procedure.

1. Insert a slim tool into the slot and gently pry open the transmitter center cover.

2. Replace the battery with a new battery (CR2032). When replacing the battery, make sure the battery is positioned correctly.

3. Install the battery in the reverse order of removal.

For replacement transmitters, see an authorized Kia dealer for transmitter reprogramming.

CAUTION - Transmitter damage

Do not drop, get wet or expose the keyless entry system transmitter to heat or sunlight.

IC WARNING

This device complies with Industry Canada licenceexempt RSS standard(s).

Operation is subject to the following two conditions: (1) this device may not cause interference, and (2) this device must accept any interference, including interference that may cause undesired operation of the device.

Transmitter precautions
The transmitter will not work if any of following occur: - The ignition key is in the ignition switch. - You exceed the operating distance limit (about 10 m [30 feet]). - The battery in the t ...

Immobilizer system
Your vehicle is equipped with an electronic engine immobilizer system to reduce the risk of unauthorized vehicle use. Your immobilizer system is comprised of a small transponder in the ignition key ...

Other information:

Kia Optima DL3 2019-2025 Owner's Manual: Charging System Warning Light


This warning light illuminates: Once you set the ignition switch or Engine Start/Stop Button to the ON position. - It remains on until the engine is started. When there is a malfunction with either the alternator or electrical charging system. If there is a malfunction with either th ...

Kia Optima DL3 2019-2025 Owner's Manual: Engine start/stop button position


OFF To turn off the engine (START/RUN position) or vehicle power (ON position), press the engine start/stop button with the shift lever in the P (Park) position. When you press the engine start/stop button without the shift lever in the P (Park) position, the engine start/stop button will not ...

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