NHTSA Complaint #11689694 — 2025 KIA K4 UNKNOWN OR OTHER

Complaint Details

ODI Number	11689694
Vehicle	2025 KIA K4
Component	UNKNOWN OR OTHER
Date of Incident	June 19, 2025
Date Filed	September 25, 2025
Mileage	N/A miles
Crash	No
Fire	No
Injuries	0
Deaths	0
Vehicle Towed	No
State	CO

Consumer Description

I had a diagnostic appointment on 9/8/25 for my 2025 Kia K4 due to a popping noise on the windshield that happens when the weather is hot/sun on windshield. Once the diagnostic was complete, the recommendation from the dealer was to replace the windshield since it was not factory. The dealer did hear the noise during the diagnostic. I purchased the vehicle Jan 2025 and I start hearing the popping noise in June 2025 (factory windshield #1). In August 2025, the windshield was replaced by a company due to what I assumed was a rock hitting my windshield that cause a crack that grew rapidly (windshield #2). The noise continued. My diagnostic results recommended replacing the windshield again. The windshield was replaced again in Sep 2025 (windshield #3). The windshield is still making the same popping noise when out in the sun. From what I've read, this is an ongoing issue with the 2025 Kia K4 vehicles regarding a possible plastic dashboard trim contracting and expanding in the new K4 vehicles.

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