TECHNICAL SERVICE BULLETIN: WARRANTY EXTENSION CAMPAIGN: MULTIFUNCTION SWITCH REPAIR (WTY031) - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area. This bulletin provides information associated with the ‘Multifunction Switch Warranty Extension Program’ (WTY031) to repair the multifunction switch knob on 2016-2018MY Sorento (UMa) vehicles, produced at Kia Georgia from October 27, 2014 through March 7, 2018, which may exhibit an intermittent headlamp flickering. The vehicle’s warranty for this issue will be extended from 5 years/60,000 miles to 15 years/150,000 miles, whichever comes first, sta
full bulletin at NHTSA ↗2016 Kia Sorento visibility problems
moderate Owners of the 2016 Kia Sorento have filed 13 NHTSA complaints about the visibility, typically surfacing around 38,000 miles at roughly $350 to repair (U.S. federal records, as of August 2026). Source: NHTSA Office of Defects Investigation. See visibility across all vehicles →
Failure mileage
Complaints
13
Recalls
0
Avg fix
$350
| Model year | visibility complaints |
|---|---|
| 2012 Sorento | 24 |
| 2013 Sorento | 29 |
| 2014 Sorento | 22 |
| 2015 Sorento | 3 |
| 2016 Sorento (this page) | 13 |
| 2017 Sorento | 5 |
| 2018 Sorento | 4 |
| 2019 Sorento | 8 |
| 2020 Sorento | 4 |
When does it fail?
Of the 13 visibility complaints filed for the 2016 Kia Sorento, here's the actual mileage breakdown — failures cluster heaviest at 50,000-75,000 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 5 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.
WARRANTY EXTENSION CAMPAIGN: OWNER RENOTIFICATION (WTY031) - This document is the owner renotification advising that Kia is extending the New Vehicle Limited Warranty coverage, to all owners, for the multi-function switch assembly on 2016-2017 MY Sorento vehicles from 5 years / 60,000 miles to 15 years / 150,000 miles, whichever comes first, starting from the date the vehicle was first put into service. The contact points in the multi-function switch in your vehicle may become worn, and it could result in intermittent headlamp flickering.
full bulletin at NHTSA ↗PITSTOP: OUTSIDE MIRROR GLASS CONTROL INOPERATIVE - This Pitstop provides information on the repair procedure for an inoperative mirror glass on the outside door mirrors for 2016-2019MY Optima (JFa) and Sorento (UMa) vehicles.
full bulletin at NHTSA ↗PITSTOP: BLOCKED WINDSHIELD WASHER NOZZLES ON VEHICLES EQUIPPED WITH WASHER HEATERS - This Pitstop provides information regarding blocked windshield wiper nozzles on some 2016MY~ Sorento (UMa) and 2017MY~ Sportage (QL) vehicles equipped with windshield washer heaters (A). Mixing tap water (?) and concentrated windshield washer fluid can cause corrosion of the heater element due to the mineral content of tap water.
full bulletin at NHTSA ↗TSB: PANORAMIC SUNROOF SLOW TO CLOSE AND/OR ABNORMAL NOISE WHEN CLOSING - This bulletin provides the procedure to repair a panoramic sunroof that exhibits a slow to close condition and/or abnormal noise when closing, on some 2016MY Sorento (UMa) vehicles produced from October 27, 2014 through January 23, 2016. Follow the procedure in this bulletin to clean, lubricate, and replace the rear tilt levers to correct the concern. Do NOT replace the sunroof assembly for this concern.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
The failure pattern owners describe
Panoramic sunroof glass failure dominates these complaints. Seven narratives describe the sunroof shattering suddenly while driving—usually at normal highway speeds without any rock strike, debris impact, or severe weather. Owners report a violent booming or popping sound, with glass fragmenting into the cabin. Most incidents occurred under 100,000 miles; the earliest happened with fewer than 200 miles on the odometer. The inner sun shade protected occupants in several cases, suggesting the glass could otherwise have caused injury. Kia corporate denied responsibility in at least one claim and refused warranty coverage when the vehicle reached out-of-warranty status (by two days). Dealerships either declined to diagnose the cause or refused repairs.
One owner reported a faulty sunroof tilt lever that failed again within a year at 19,000 miles; the dealer refused the second repair citing warranty expiration.
Beyond the sunroof, owners cite a windshield washer pump that cracks at the connection point, causing complete tank drainage. AC vent housing coating reflects light into side mirrors, creating dangerous glare at highway speeds. A driver side headlight goes out intermittently despite a functioning bulb and fuses, while the passenger side bulb shows signs of overheating. Two owners report rear window glass shattering while parked or when closing the car door in cold weather, with no external impact evident.
Same Kia Sorento visibility reports on nearby years: 2013 · 2014
Failure modes owners describe
Panoramic sunroof spontaneous glass failure
Panoramic sunroof glass shatters or explodes without external impact, typically while driving. Owners report violent shattering sounds (described as booming, popping, or like gunshots) with glass fragmenting inward or outward. Several complaints note the inner sun shade prevented glass from falling on occupants. No evidence of rocks, debris, or objects striking the roof. Weather conditions were clear or mild in most reports.
When: Under 200 miles to 95,000 miles; most incidents during normal highway driving (40–65 mph)
Symptoms owners cite: Loud booming, popping, or gunshot-like sound while driving; Glass shatters or fragments suddenly; Glass falls or showers into cabin; No visible external impact or debris; Occurs in clear weather and mild temperatures
Repairs/costs cited: One owner used duct tape as temporary roadside repair. Dealerships either denied repairs, declined to diagnose the cause, or refused warranty coverage citing mileage thresholds. Insurance companies became involved in at least two cases.
Recalls/TSBs owners mention: Kia corporate denied issues related to panoramic sunroof and refused warranty coverage in at least one case (vehicle out of warranty by two days). One owner noted Kia declined responsibility despite multiple lawsuits and NHTSA investigations referenced online.
Sunroof tilt lever failure
Sunroof fails to close properly due to faulty tilt lever. Initial dealer repair was successful; however, the same failure recurred approximately one year later.
When: First failure shortly after purchase; recurrence around 19,000 miles (one year later)
Symptoms owners cite: Sunroof will not close properly; Sunroof stuck in open or semi-open position
Repairs/costs cited: Initial repair completed by dealer. Recurrent failure: dealer informed owner she would be responsible for repair cost as vehicle was out of warranty.
Recalls/TSBs owners mention: Manufacturer refused to cover cost of repeat repair, citing vehicle being out of warranty by two days. Case was opened but vehicle was not repaired.
Windshield washer pump cracking and leakage
Windshield washer fluid tank leaks nearly completely after filling due to a crack in the washer pump mechanism. The failure point is a crack around the white bulbous connector piece where rubber tubes attach to plastic protrusions that dispense fluid to the windshield nozzles.
When: Occurs after filling the washer fluid reservoir; one owner reported this happening suddenly with no prior small leaks
Symptoms owners cite: Large volume of washer fluid leaks onto garage floor immediately after filling; Crack visible in white bulbous pump connector piece; Complete or near-complete loss of washer fluid
Repairs/costs cited: Owner identified the crack in the washer pump mechanism at the connection point as specified in online videos and forums. No repair cost data provided.
Recalls/TSBs owners mention: Owner found abundant KIA blogs, YouTube videos, and forum discussions indicating the problem is prevalent. Some forums suggested KIA should issue a service bulletin or recall.
AC vent housing coating glare in side mirrors
Reflective coating on air conditioning vent housings reflects light into both side view mirrors, creating significant glare that impairs visibility while driving.
When: At 12,529 miles
Symptoms owners cite: Coating on AC vent housings reflects into side view mirrors; Severe difficulty seeing through side mirrors due to glare; Glare occurs during normal driving at highway speeds (65 mph)
Repairs/costs cited: Dealer stated they could paint and replace the vent housings, but vehicle was not repaired.
Recalls/TSBs owners mention: Manufacturer made aware and stated they would refer the issue to their interior design engineers.
Driver side headlight intermittent failure
Driver side headlight loses power without bulb failure. Bulb and fuses are functional. Temporarily reinstalling the bulb restores light for a few days before failure recurs. Passenger side bulb shows signs of overheating or electrical fault (smoking observed).
When: <UNKNOWN>
Symptoms owners cite: Driver side headlight goes out intermittently; Bulb does not blow; fuses are functional; Reinserting bulb temporarily restores operation for a few days; Passenger side bulb is smoking
Repairs/costs cited: No repair performed; issue remains ongoing.
Rear window spontaneous glass failure
Rear window glass shatters without impact while vehicle is parked. In one case, window cracked while parked on the street and progressed to a quarter-sized hole by day two. In another case, rear windshield shattered when driver closed the car door in cold weather.
When: While parked; one incident in cold morning weather
Symptoms owners cite: Rear window cracks without visible impact; Glass shatter progresses over time (24–48 hours); Quarter-sized hole develops in glass; Occurs when closing car door in cold weather
Synthesized from 13 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 1 most recent
2016 Kia sorento v6 lx FWD automatic -- one day, suddenly, the wiper fluid leaked almost the entire tank on our garage floor immediately after filling. No other small leaks were noticed before this major fail. I found Kia blogs in abundance and a large number of youtube videos reporting the same issue. There was even speculation in several Kia forums that the problem was so prevalent Kia should,…
Had visibility trouble with your 2016 Kia Sorento?
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 2016 Kia Sorento?
It's a documented issue but not catastrophic. 13 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?
Across the 11 complaints that reported odometer mileage, most visibility failures cluster between 19,000 and 57,000 miles, with the median around 38,000. A quarter of owners report trouble before 19,000; a quarter make it past 57,000. Maintenance history matters more than the odometer alone — this is the reported failure window, not a guarantee.
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/2016/Kia/Sorento.
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.