Contamination of either the windshield or the wiper blades with foreign matter can reduce the effectiveness of the windshield wipers.
Common sources of contamination are insects, tree sap, and hot wax treatments used by some commercial car washes. If the blades are not wiping properly, clean both the window and the blades with a good cleaner or mild detergent, and rinse thoroughly with clean water.
NOTICE
To prevent damage to the wiper blades, arms or other components, do not:
Information
Commercial hot waxes applied by automatic car washes have been known to make the windshield difficult to clean.
Information
Wiper blades are consumable item and normal wear of the wipers may not be covered by your vehicle warranty.
Wiper blades
Blade replacementHyundai Kona (OS) 2018-2026 Service Manual: Center Pillar Trim Components and components location
Component Location
1. Center pillar lower trim
2. Center pillar upper trim
...
Hyundai Kona (OS) 2018-2026 Owners Manual: Climate control air filter
Filter inspection
If the vehicle is operated in the severely air-polluted cities or on dusty rough
roads for a long period, it should be inspected more frequently and replaced earlier.
When you, the owner, replace the climate control air filter, replace it performing
the following procedure, and ...