This bulletin provides information regarding condensation related to the accumulated moisture in the headlamp, rear combination lamp, daytime running lamp (DRL), or fog lamp. This TSB illustrates the various causes of condensation inside the lamp assembly. Lamp assembly replacement is NOT necessary in most cases. This condition can be eliminated by turning on the lamps with the engine running for several minutes or during normal driving operation.
full bulletin at NHTSA ↗2013 Hyundai Sonata lighting problems
severe Owners of the 2013 Hyundai Sonata have filed 125 NHTSA complaints about the lighting, typically surfacing around 85,000 miles at roughly $250 to repair (U.S. federal records, as of July 2026). Source: NHTSA Office of Defects Investigation. See lighting across all vehicles →
| Model year | lighting complaints |
|---|---|
| 2009 Sonata | 8 |
| 2010 Sonata | 7 |
| 2011 Sonata | 156 |
| 2012 Sonata | 81 |
| 2013 Sonata (this page) | 125 |
| 2014 Sonata | 70 |
| 2015 Sonata | 21 |
| 2016 Sonata | 24 |
| 2017 Sonata | 18 |
When does it fail?
Of the 125 lighting complaints filed for the 2013 Hyundai Sonata, here's the actual mileage breakdown — failures cluster heaviest at 25,000-50,000 mi.
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.
Owners have filed 125 lighting complaints with NHTSA against this vehicle, but no formal recall covers the issue — the federal record reflects what manufacturers have admitted, not everything owners are reporting.
Among the 15 model years of Hyundai Sonata in our records for lighting problems, this one ranks #2 by owner-complaint volume.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering lighting 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.
Some 2011-14MY Sonata (YF) vehicles may exhibit inoperative brake lights that may be caused by melting/deformation of the rear combination housing lamps. Hyundai is extending warranty coverage for the rear combination lamp under this condition to 15 years/200,000 miles from the date of original retail delivery or date of first use (whichever occurs first) and is valid for original and subsequent owners. Follow the service procedure in this TSB to inspect the rear combination lamps and, if necessary, replace them if heat deformation is found.
full bulletin at NHTSA ↗Some 2011-14MY Sonata (YF) vehicles may experience inoperative brake lights that may be caused by melting/deformation of the rear combination housing lamps. Hyundai is extending warranty coverage for the rear combination lamp under this condition to 15 years/200,000 miles from the date of original retail delivery or date of first use (whichever occurs first). This warranty extension is valid for original and subsequent owners.
full bulletin at NHTSA ↗Some 2011-14MY Sonata (YF) vehicles may exhibit inoperative brake lights that may be caused by melting/deformation of the rear combination housing lamps. Hyundai is extending warranty coverage for the rear combination lamp under this condition to 15 years/200,000 miles from the date of original retail delivery or date of first use (whichever occurs first) and is valid for original and subsequent owners. Follow the service procedure in this TSB to inspect the rear combination lamps and, if necessary, replace them if heat deformation is found.
full bulletin at NHTSA ↗Some 2011-14MY Sonata (YF) vehicles may experience inoperative brake lights that may be caused by melting/deformation of the rear combination housing lamps. Hyundai is extending warranty coverage for the rear combination lamp under this condition to 15 years/200,000 miles from the date of original retail delivery or date of first use (whichever occurs first). This warranty extension is valid for original and subsequent owners.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
The failure pattern owners describe
The 2013 Hyundai Sonata lighting system is plagued by premature bulb failure and heat damage. Brake light bulbs burn out every 2–3 months on average; owners replace them repeatedly, only to have them fail again shortly after. When bulbs are removed, the plastic sockets are melted or blackened, and bulbs often fuse to sockets, making removal difficult or impossible. Some owners report smoke or burning smells from the taillight area, raising fire-hazard concerns.
Headlights, fog lights, and license plate bulbs fail similarly, even when owners use premium replacement bulbs. Headlights sometimes flicker or cut out entirely while driving. Dealers acknowledge these are widespread problems but deny any recall exists and charge owners for assembly replacement—reported at $580 for both brake light sides.
One owner reported the hazard light button activating on its own and continuing to flash even with the engine off. Another's interior door light stays on despite mode settings, forcing the switch to OFF to preserve battery.
Several owners have consulted independent mechanics, who identify electrical and wiring harness failures as the root cause. Dealers offer no permanent solution, and Hyundai has not issued a recall. Owners are left paying out-of-pocket for repeated bulb and assembly replacements that don't solve the underlying electrical problem.
Same Hyundai Sonata lighting reports on nearby years: 2011 · 2012 · 2014 · 2015 · 2016
Failure modes owners describe
Brake light bulbs and sockets overheating, melting, and failing prematurely
Brake light bulbs burn out repeatedly within weeks to a few months. When removed, the plastic bulb sockets are melted or blackened. Bulbs fuse into sockets, making removal difficult or impossible. Plastic housings warp and deform from heat. Some owners report the bulbs becoming hot enough to potentially ignite materials in the trunk.
When: Varies widely; reported from 15,000 to 200,000 miles; failures occur throughout vehicle ownership, sometimes multiple times per year
Symptoms owners cite: Brake light bulb burns out repeatedly every 2–3 months; Bulb socket melted or blackened; Bulb fused to socket making removal impossible; Plastic housing warped or partially melted; Smoke or burning smell from taillight area; Warning of potential fire hazard in trunk
Repairs/costs cited: Owners cite replacement of entire tail light assemblies ($580 reported for both sides). Individual bulb replacement ineffective because socket or housing damage requires full assembly swap. Labor costs cited but amounts vary.
Recalls/TSBs owners mention: Hyundai dealerships acknowledge the issue as common but state no recall exists. Owners directed to pay out-of-pocket for assembly replacement. One owner referenced TSB:10110926 (steering-related) but Hyundai stated it was unrelated. No recall issued; warranty coverage varies or expired by time problem occurs.
Exterior bulbs (headlights, fog lights, license plate lights) burning out excessively
Headlights, fog lights, high beams, and license plate bulbs burn out repeatedly and prematurely, often multiple times per year. Owners report using quality bulbs (Sylvania, Philips) but still experiencing frequent failures. New bulbs may appear dim or burn out within days to weeks.
When: Reported throughout vehicle ownership; headlights burn out at least once or twice yearly; some bulbs fail within days of replacement
Symptoms owners cite: Headlights burn out every 6–12 months; Fog lights and high beams fail prematurely; License plate lights burn out multiple times per year; New bulbs appear dim or fail shortly after installation; Owner pulled over by police for non-functioning lights
Repairs/costs cited: Dealerships offer bulb replacement at $30 each. Owners cite cost of premium bulbs (Sylvania, Philips) and repeated replacement. No permanent repair offered.
Recalls/TSBs owners mention: Dealership response: 'Bulbs just burn out, we'll sell you some for $30 each.' No recall or TSB; no investigation into root cause offered.
Headlight flickering, dimming, or cutting out while driving
Headlights flicker, dim, or cut out completely while driving, especially at night or during turns. Interior lights may also flicker or dim simultaneously. Problem may persist or worsen over time even after dealer service attempts.
When: Reported at 80,000 miles; can occur early after purchase; some owners report issues from day of purchase
Symptoms owners cite: Headlights flicker randomly while driving; Headlights cut out completely mid-turn or while in motion; Interior lights dim or shut off with headlights; Problem worsens over time; Issue occurs mainly while driving but sometimes while parked
Repairs/costs cited: Dealers replaced battery and alternator without resolving issue. One owner paid $95 diagnostic fee for dealer to identify wiring issue in headlights but no repair performed.
Recalls/TSBs owners mention: Dealers unable to replicate failure or identify root cause. Battery and alternator replacement offered but did not resolve problem. No recall or TSB cited.
Tail light bulb socket wiring harness failure and overheating
Wiring harness in rear tail light assemblies fails, causing excessive heat and overheating of bulbs and sockets. Some owners report bulbs melting into harness or plastic, requiring full assembly replacement.
When: Reported at 52,000 to 199,500 miles
Symptoms owners cite: Tail light fails to illuminate; Bulb overheats and burns out quickly; Wiring harness melts or burns; Bulb fuses into harness socket; Difficulty or impossibility of removing bulb
Repairs/costs cited: Requires replacement of entire tail light wiring harness and potentially full assembly. No specific repair cost cited in narratives.
Recalls/TSBs owners mention: One dealer diagnosed wiring harness failure but owner could not afford repair. Manufacturer was contacted but provided no assistance.
Hazard light button activating independently and continuously
Hazard lights activate without user input. Once activated, lights remain on even with engine off. Disconnecting battery required to stop failure. Dealer cleaned area and checked wiring but problem returned shortly after.
When: Reported at 85,000 miles
Symptoms owners cite: Hazard lights activate without pressing button; Lights remain on after button is pressed off; Lights continue flashing with engine off; Failure returns after dealer service
Repairs/costs cited: Dealer disconnected button, cleaned area, and checked wiring. Problem persisted. Owner later reported vehicle was repaired but details not given.
Recalls/TSBs owners mention: Manufacturer not notified prior to repair.
Interior door light staying on or not responding to mode settings
Interior lights in door mode fail to turn off automatically or respond to switch settings. Owners forced to keep light in OFF position to prevent battery drain. Issue is intermittent.
When: Timing not specified; described as random occurrences
Symptoms owners cite: Interior light stays on in door mode when it should turn off; Light does not respond to mode changes; Intermittent—sometimes works, sometimes does not; Owner must keep light in OFF position to prevent battery drain
Repairs/costs cited: No repair information provided.
Synthesized from 125 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 2 most recent
The passenger tail light routinely burns out melting the plastic tail light assembly
Airbag light comes on and stays on. I can reset it and the light goes away but comes back later.
Common questions
How serious is the lighting problem on the 2013 Hyundai Sonata?
It's a meaningful issue. 125 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $250.
At what mileage does the lighting typically fail?
Across the 69 complaints that reported odometer mileage, most lighting failures cluster between 64,000 and 114,000 miles, with the median around 85,000. A quarter of owners report trouble before 64,000; a quarter make it past 114,000. 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 $250 for lighting 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 lighting?
No active recalls currently cover lighting 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.