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) 2018-2019 Owners Manual: Outside temperature gauge
This gauge indicates the current outside air temperatures either in Celsius (°C) or Fahrenheit. - Temperature range : -40°C ~ 60°C (-104°F ~ 140°F) The outside temperature on the display may not immediately change like a general thermometer not to distract the driver. The temperature unit (f ...

Hyundai Kona (OS) 2018-2019 Service Manual: Alternator Repair procedures
Removal 1. Turn ignition switch OFF and disconnect the battery negative (-) terminal. 2. Disconnect the air compressor connector (A) and the alternator connector (B), and remove the cable (C) from alternator "B" terminal. ...

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