Kia Optima: Smart key / Battery replacement

Kia Optima DL3 2019-2020 Owner's Manual / Features of your vehicle / Smart key / Battery replacement

A smart key battery should last for several years, but if the smart key is not working properly, try replacing the battery with a new one. If you are unsure how to use your smart key or replace the battery, contact an authorized Kia dealer.

1. Remove the mechanical key.

2. Pry open the rear cover.

3. Replace the battery with a new battery (CR2032). When replacing the battery, make sure the battery is in the correct position.

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

CAUTION - Smart key damage

Do not drop, get wet or expose the smart key to heat or sunlight, or it will be damaged.

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.

Loss of the smart key, Smart key precautions
Loss of the smart key A maximum of 2 smart keys can be registered to a single vehicle. If you happen to lose your smart key, you will not be able to start the engine. You should immediately take ...

Smart key 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 smart key ...

Other information:

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