Kia Optima DL3: 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.

  • The smart key is designed to give you years of trouble-free use, however it can malfunction if exposed to moisture or static electricity. If you are unsure how to use or replace the battery, contact an authorized Kia dealer.
  • Using the wrong battery can cause the smart key to malfunction. Be sure to use the correct battery.
  • To avoid damaging the smart key, don't drop it, get it wet, or expose it to heat or sunlight.
  • An inappropriately disposed battery can be harmful to the environment and human health. Dispose the battery according to your local law(s) or regulations.

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 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.

    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 and electronic devices inside the vehicle.

    Other information:

    Kia Optima DL3 2019-2025 Service and Repair Manual: Compressor

    Description and operation Description The compressor is the power unit of the A/C system. It is located on the side of engine block and driven by a V-belt of the engine. The compressor changes low pressure and low temperature refrigerant gas into high pressure and high temperature refrigerant gas.

    Kia Optima DL3 2019-2025 Service and Repair Manual: Photo Sensor

    Description and operation Description The photo sensor is located at the center of the defrost nozzles. The photo sensor contains a photovoltaic (sensitive to sunlight) diode. The solar radiation received by its light receiving portion, generates an electromotive force in proportion to the amount of radiation received which is

    Categories

     
    Copyright © 2025 www.kioptima.com - 0.0221