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) 2018-2025 Owners Manual: Highway driving
Tires Adjust the tire inflation, as specified. Under-inflation may overheat or damage the tires. Do not install worn-out or damaged tires, which may reduce traction or fail the braking operation. Information Never over-inflate your tires above the maximum inflation pressure, as specified on your ...

Hyundai Kona (OS) 2018-2025 Service Manual: Fuel Pressure Sensor (FPS) Repair procedures
Inspection 1. Connect the GDS on the Data Link Connector (DLC). 2. Check the output voltage of fuel pressure sensor (FPS). Pressure [kPa (kgf/cm², psi)] Output Voltage (V) 50 (0. ...

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