NHTSA Complaint #11690314 — 2016 KIA OPTIMA

UNKNOWN OR OTHER issue reported to NHTSA

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Complaint Details

ODI Number	11690314
Vehicle	2016 KIA OPTIMA
Component	UNKNOWN OR OTHER
Date of Incident	August 15, 2025
Date Filed	September 29, 2025
Mileage	N/A miles
Crash	No
Fire	No
Injuries	0
Deaths	0
Vehicle Towed	No
State	AR

Consumer Description

I have a 2016 KIA Optima SX Turbo with 33,500 miles that the windows one by one are failing due to a defective regulator drum gear. This very flimsy gear fails and the window will not roll up. I have had 3 out of 4 fail in the last month. The only way to keep the window up is to shimmy them. This creates a huge safety risk in the event of an accident and also can impact the collision safety system including airbags. KIA is aware of this situation as outlined in their Technical Service Bulletin dated March 2021. I believe it's bulletin MC-10189544-0011. I've contacted the dealer who doesn't think there is a recall on this issue. This issue creates a safety issue that after only 33,500 miles should not exist.

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