TSB: DEFOGGING LOGIC ? NORMAL OPERATION, DISABLING, AND ENABLING - Starting with 2010MY, all Kia vehicles, except Rio (JB), incorporate a defogging logic to prevent the interior windows from becoming excessively fogged. Depending on the specific model, the HVAC control head monitors ambient temperature and/or cabin humidity to determine which settings will best prevent the windows from fogging. If the system detects lower ambient temperature or higher cabin humidity, the defogging logic may automatically switch ON the A/C, and/or set the air intake mode to Fresh Air. If the user changes these settings, the defogging logic will take control again after 3 to 5 minutes, depending on the procedu
full bulletin at NHTSA ↗2013 Kia Forte visibility problems
moderate Owners of the 2013 Kia Forte have filed 3 NHTSA complaints about the visibility at roughly $350 to repair (U.S. federal records, as of July 2026). Source: NHTSA Office of Defects Investigation. See visibility across all vehicles →
Complaints
3
Recalls
0
Avg fix
$350
| Model year | visibility complaints |
|---|---|
| 2012 Forte | 4 |
| 2013 Forte (this page) | 3 |
| 2014 Forte | 3 |
| 2015 Forte | 3 |
| 2017 Forte | 4 |
When does it fail?
Of the 3 visibility complaints filed for the 2013 Kia Forte, here's the actual mileage breakdown — failures cluster heaviest at 0-25,000 mi.
0-25k
25-50k
50-75k
75-100k
100-125k
125-150k
150k+
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
What stands out
No new NHTSA visibility complaint has been filed on this vehicle in over 11 years — the issue may be aging out of the active population.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering visibility on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
TSB: WINDSHIELD WASHER PUMP INLET FILTER REPLACEMENT - THIS BULLETIN PROVIDES INFORMATION RELATING TO POSSIBLE FOREIGN DEBRIS ACCUMULATION ON THE WINDSHIELD WASHER PUMP INLET FILTER. OVER TIME, SOME KIA VEHICLES MAY EXHIBIT A LIMITED APPLICATION OF WINDSHIELD WASHER FLUID WHEN THE WASHER FUNCTION IS USED. LIMITED APPLICATION OF WINDSHIELD WASHER FLUID CAN BE CAUSED BY FOREIGN DEBRIS ON THE WASHER PUMP INLET FILTER. TO CORRECT THIS CONDITION, REPLACE THE WASHER PUMP INLET FILTER AND PERFORM THE WINDSHIELD WASHER RESERVOIR FLUSHING PROCEDURE OUTLINED IN THIS TSB.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 1 most recent
The front window cracked with the defrosters on. It was 35 degrees outside temp. The crack started outside the area from the defrosters. 2 to 3 inches above the bottom of the window. It only cracked on the inside. No stone marks on the outside. *tr
Had visibility trouble with your 2013 Kia Forte?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the visibility problem on the 2013 Kia Forte?
It's a documented issue but not catastrophic. 3 complaints have been filed. Repairs average $350 and most owners catch it before it causes a breakdown.
At what mileage does the visibility typically fail?
Based on the 3 complaints filed, visibility issues most often appear around 11,470 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
What does it cost to fix?
Independent shops typically charge around $350 for visibility repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to visibility?
No active recalls currently cover visibility issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2013/Kia/Forte.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.