If the remote key is not working properly, try replacing the battery with a new one.
Battery Type: CR2032
To replace the battery:
1. Insert a slim tool into the slot and gently pry open the cover.
2. Using a screw driver, remove the battery cover.
3. Remove the old battery and insert a new battery. Make sure the battery position is correct.
4. Reinstall the battery cover and key cover in the reverse order of removal.
If you suspect your remote key might have sustained some damage, or you feel your remote 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 Service Manual: Heated Steering wheel Components and components location
Compoents Location
1. Heated Steering Wheel Switch
...
Hyundai Kona (OS) 2018-2025 Service Manual: Input shaft speed sensor 2 Specifications
Specification
Item
Specification
Type
Hall effect sensor
Operation condition (°C)°F
-40 to 257°F (-40 to 125°C)
Output signal (mA)
High: 11.8 - 16.8
Low ...