my Skoda Octavia NFL (2020-Present) has ice buildup on the windshield in winter, why?

Solution

1. Preparation

• Gather necessary tools and parts.
• Ensure the vehicle is parked on a level surface and the engine is turned off.

2. Inspect and Replace Cabin Air Filter

• Tools Required: Screwdriver, replacement cabin air filter.
• Sub-steps:
  1. Locate the cabin air filter compartment, usually behind the glove box.
  2. Remove the glove box by unscrewing and detaching it carefully.
  3. Extract the old cabin air filter and inspect for dirt or blockages.
  4. Insert the new cabin air filter, ensuring it is oriented correctly.
  5. Reattach the glove box.

3. Check and Clean Drainage Systems

• Tools Required: Water hose, flexible wire or brush.
• Sub-steps:
  1. Inspect the drainage channels around the windshield for debris.
  2. Use a flexible wire or brush to clear any blockages.
  3. Pour water over the windshield area to ensure proper drainage.

4. Test and Repair HVAC System

• Tools Required: OBD-II scanner (if needed).
• Sub-steps:
  1. Start the vehicle and set the HVAC system to defrost mode.
  2. Check for warm air delivery to the windshield.
  3. If cold air is present, inspect and potentially replace the heater core or thermostat.

5. Inspect and Replace Windshield Wipers

• Tools Required: Windshield wiper removal tool (if needed), replacement wiper blades.
• Sub-steps:
  1. Lift the wiper arms off the windshield.
  2. Remove the old wiper blades by pressing the release tab and sliding them off.
  3. Attach the new wiper blades securely.
  4. Lower the wiper arms back against the windshield.