If the interior glass surfaces of the vehicle become fogged (that is, covered with an oily, greasy or waxy film), they should be cleaned with glass cleaner. Follow the directions on the glass cleaner container.
NOTICE
Do not scrape or scratch the inside of the rear window. This may result in damage to the rear window defroster grid.
Hyundai Kona (OS) 2018-2021 Service Manual: Engine Coolant Temperature Sensor (ECTS) Repair procedures
Inspection
1.
Turn the ignition switch OFF.
2.
Remove the ECTS.
(Refer to "Removal")
3.
After immersing the thermistor of the sensor into engine coolant, measure
resistance between the EC ...
Hyundai Kona (OS) 2018-2021 Owners Manual: In case of an emergency while driving
If the engine stalls while driving
Reduce your speed gradually, keeping a straight line. Move cautiously
off the road to a safe place.
Turn on your hazard warning flasher.
Try to start the engine again. If your vehicle will not start, we recommend
that you contact an authorized HYUNDAI deale ...