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.
Hyundai Kona (OS) 2018-2025 Owners Manual: Storage compartment
WARNING
Never store cigarette lighters, propane cylinders, or other flammable/explosive
materials in the vehicle. These items may catch fire and/or explode if the vehicle
is exposed to hot temperatures for extended periods.
WARNING
ALWAYS keep the storage compartment covers closed securely while d ...
Hyundai Kona (OS) 2018-2025 Owners Manual: Limitations of the System
The LKA system may operate prematurely even if the vehicle does not depart from
the intended lane, OR, the LKA system may not assist your steering or warn you if
the vehicle leaves the intended lane under the following circumstances:
When the lane and road conditions are poor
It is difficult to ...