Hyundai Kona (OS) 2018-2024 Owners Manual: Headlamp delay function
If you place the ignition switch to the ACC or OFF position with the headlamps
ON, the headlamps (and/or position lamps) remain on for about 5 minutes. However,
with the engine off if the driver’s door is opened and closed, the headlamps (and/or
position lamps) are turned off after 15 seconds.
...
Hyundai Kona (OS) 2018-2024 Service Manual: Spark Plug Specifications
Specification
Item
Specification
Type
SILZKR8E8G
Gap
0.7 - 0.8 mm
(0.0275 - 0.0314 in.)
...