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) 2018-2021 Owners Manual: Before driving
Before entering the vehicle
Be sure all windows, outside mirror( s), and outside lights are clean
and unobstructed.
Remove frost, snow, or ice.
Visually check the tires for uneven wear and damage.
Check under the vehicle for any sign of leaks.
Be sure there are no obstacles behind you if you ...
Hyundai Kona (OS) 2018-2021 Service Manual: Brake Booster Repair procedures
Brake Booster Operating
Test
For simple checking of the brake booster operation, carry out the following
tests.
1.
Run the engine for one or two minutes, and then stop it. If the pedal
depresses fully the first time but gradually becomes higher when d ...