Hyundai Kona: Smart key / Battery replacement

If the Smart Key is not working properly, try replacing the battery with a new one.

Battery Type: CR2032

To replace the battery:

1. Remove the mechanical key.
2. Use a slim tool to pry open the rear cover of the smart key.
3. Remove the old battery and insert the new battery. Make sure the battery position is correct.
4. Reinstall the rear cover of the smart key.

If you suspect your smart key might have sustained some damage, or you feel your smart key is not working correctly, it is recommended that you contact an authorized HYUNDAI dealer.

Information

An inappropriately disposed battery can be harmful to the environment and human health. Dispose of the battery according to your local law(s) or regulations.

Smart key precautions
The smart key may not work if any of the following occur: The smart key is close to a radio transmitter such as a radio station or an airport which can interfere with normal operation of the trans ...

Immobilizer system
The immobilizer system protects your vehicle from theft. If an improperly coded key (or other device) is used, the engine’s fuel system is disabled. When the ignition switch is placed in the ON pos ...

Other information:

Hyundai Kona (OS) 2018-2026 Service Manual: Brake Switch Repair procedures
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Hyundai Kona (OS) 2018-2026 Owners Manual: Power outlet
The power outlet is designed to provide power for mobile telephones or other devices designed to operate with vehicle electrical systems. The devices should draw less than 180 W(Watt) with the engine running. WARNING Avoid electrical shocks. Do not place your fingers or foreign objects (pin, etc. ...

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