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) 2018-2025 Service Manual: Rear Glass Defogger Switch Repair procedures
Inspection
1.
The body electrocal system can be quickly diagnosed failed parts
with vehicle diagnostic system(GDS).
The diagnostic system (GDS) provides the following information.
(1)
Self diagnosis : Che ...
Hyundai Kona (OS) 2018-2025 Service Manual: Repair procedures
On-vehicle Inspection
Inspect ignition coil assembly and
Perform spark test
1.
Check for DTCs.
•
If a DTC ...