Why Tesla Still Has No Fix for 20,349 Model 3 and Y Headlights That Blind Oncoming Drivers

• NHTSA has ordered Tesla to recall 20,349 Model 3 and Model Y vehicles, campaign number 26V507, because their low-beam headlights shine brighter than federal law allows in the exact zone most likely to hit an oncoming driver’s eyes.
• Tesla asked NHTSA to let it skip the recall by classifying the glare as “inconsequential,” but the agency rejected that argument in a July 16, 2026 decision and ordered a free repair.
• Tesla began mailing recall notices to owners on September 15, 2026, though the exact fix, whether a repair or a full headlight replacement, was still being finalized at the time of filing.

Tesla Fought This Recall for Two Years. Drivers Are Still Waiting on a Fix.

Owners of roughly 20,349 Tesla Model 3 and Model Y vehicles are getting a blunt piece of mail this month: their headlights are illegal, and the company that built them fought for two years before admitting it. The National Highway Traffic Safety Administration ordered the recall under campaign number 26V507 after testing showed the cars’ low-beam headlights throw far more light than federal rules permit, enough to blind drivers coming the other way on a dark road. Tesla identified the defect in 2023, filed a formal report on it in March 2024, then asked regulators for permission to skip the recall entirely. NHTSA said no in July 2026, and letters explaining the eventual fix started landing in owners’ mailboxes on September 15.

What NHTSA Found Wrong With the Headlights

Federal safety standard FMVSS 108 sets a hard ceiling on how much light a headlight can throw into specific zones of a test pattern, the zones most likely to land in an oncoming driver’s eyes. Testing on the affected Tesla vehicles found low beams throwing as much as 230.1 candela into the upper-right zone of that pattern and 171.27 candela into the upper-left zone. The federal limit for that zone sits at 125 candela, so the worst-measured units ran nearly double the legal ceiling. The failing parts came from supplier Marelli Automotive Lighting, built at a plant in Mexico, and carry part numbers 1077371-98-L and 1077372-00-L. NHTSA’s recall filing, document RCLRPT-26V507-2774, splits the affected population into 18,735 Model Y vehicles from the 2020 through 2023 model years and 1,614 Model 3 vehicles from 2017 through 2023. The mismatch in those two totals traces back to how long each model used the same headlight hardware and supplier lot before Tesla changed components. NHTSA’s photometric test measures light output at dozens of points across a grid projected several meters in front of the car, and the upper zones exist specifically to catch light that spills above the road surface and into the eye line of an approaching driver. A headlight that passes everywhere except those upper corners can still look fine to the person driving the Tesla while blinding the person driving toward it.

Two Years of Pushback Before Regulators Said No

A Canadian testing lab flagged the glare problem through routine compliance testing in 2023. Tesla filed a formal noncompliance report with NHTSA on March 15, 2024, the step automakers take when they find a defect on their own before regulators find it first. Rather than move straight to a recall, Tesla petitioned the agency for an exemption, calling the extra brightness “inconsequential” to motor vehicle safety. The company told NHTSA it had no reports of crashes, injuries, or complaints tied to the glare and argued that owners should not need notification letters or repairs at all.

NHTSA rejected that argument outright. In a decision issued July 16, 2026, the agency wrote that “Tesla has not met its burden of persuasion that the subject FMVSS No. 108 noncompliance is inconsequential to motor vehicle safety.” Agency engineers pointed to weather as the sharpest version of the risk: rain, snow, and fog can turn already-bright headlights into a bigger hazard for the driver behind the wheel and for everyone else on the road. Tesla filed the actual recall paperwork on August 4, 2026, more than two years after the Canadian lab’s initial finding and roughly 28 months after its own internal report reached NHTSA.

A Wider Problem on American Roads

Tesla’s recall sits inside a bigger fight over headlight brightness that has built for years across the whole auto industry. LED and adaptive headlights put out more raw light than the halogen bulbs they replaced, and complaints about glare from oncoming traffic have climbed alongside them, a trend researchers, insurers, and consumer groups have tracked well beyond any one automaker. NHTSA finalized a rule in February 2022 allowing adaptive driving beam headlights, a technology that dims automatically around other cars on the road, as one answer to the glare complaints. Automakers have moved slowly to bring that feature to American cars under the FMVSS 108 test procedure that governs it. The Insurance Institute for Highway Safety and the advocacy group Soft Lights Foundation have separately pushed NHTSA to tighten the overall brightness ceiling written into FMVSS 108, arguing the current test zones understate how much glare a driver actually feels at night. The Tesla case now stands as a concrete example for that argument: a major automaker built headlights that failed the government’s own brightness test, then spent two years arguing the failure shouldn’t count. Safety researchers and highway patrol officers have said for years that glare complaints rise every fall and winter, when darkness falls earlier and wet roads scatter more light back into a driver’s eyes, and an aging driver population makes the problem worse: eyes lose contrast sensitivity with age, so a headlight that reads as merely bright to a 30-year-old driver can read as painful to a 65-year-old driver in the opposite lane.

Why a Fix Is Still Months Away

Most Tesla recalls get resolved with a software update pushed to the car overnight while it sits in a driveway. This one can’t work that way. The defect sits in the physical headlight assembly, so NHTSA’s order requires Tesla to repair or replace hardware at a service center, under the federal statutes, 49 U.S.C. sections 30118 and 30120, that require a free remedy once a safety recall gets confirmed. At the time Tesla filed the recall, the company had not locked in whether technicians would adjust and reseal the existing headlight units or swap them for new ones. Some reporting on the recall points to a possible upgrade path: owners whose headlights get replaced outright could end up with Tesla’s newer matrix-style headlight hardware rather than a plain like-for-like swap. Tesla began mailing recall notice letters on September 15, 2026, more than five weeks after filing, and the Tesla mobile app is expected to carry a matching in-app alert for affected owners. NHTSA had not posted the full list of affected VINs to its public recall database at the time of filing, leaving many owners to wait on a letter or an app notification rather than confirm their status online right away.

What To Do If You Own an Affected Model 3 or Model Y

Start with your vehicle identification number. Go to NHTSA.gov/recalls and enter your 17-character VIN into the recall lookup tool. A match will show campaign 26V507 listed against your car. Tesla owners can also check the Tesla app or their account at tesla.com; the company tracks open recalls against each VIN on file there too. A blank result today doesn’t rule your car out. NHTSA’s public database can lag an automaker’s own internal list by weeks, and the full VIN list for this campaign had not posted publicly as of the filing date.

If your car turns out to be affected, call your local Tesla service center to get on the schedule once Tesla confirms parts and a repair method are ready. The recall is federally mandated, and the repair is free by law, so a service center should not charge labor or parts costs tied to campaign 26V507. Owners can also call the NHTSA Vehicle Safety Hotline at 1-888-327-4236 to confirm a car’s status, ask about a repair timeline, or flag a problem the agency has not logged yet. Filing a complaint directly with NHTSA, through nhtsa.gov/report-a-safety-problem, adds a driver’s experience to the public database regulators use to track a defect’s real-world effect, and the form takes only a few minutes to complete.

A few habits cut the risk on the road until the repair happens. Get headlights aimed and inspected at a certified shop if oncoming drivers keep flashing their brights. A bad aim stacked on top of the recalled intensity compounds the glare problem for everyone nearby. Slow down on unlit rural roads and in rain, snow, or fog. NHTSA flagged those exact conditions as the highest-risk scenario for this defect. Avoid staring straight into oncoming headlights; glance at the right edge of your own lane instead, which keeps your eyes adjusted without taking a direct hit from the glare. And if a Tesla coming the other way looks unusually bright, that’s not an illusion. It’s the exact defect regulators spent two years getting the company to admit.

Sources:

• Not a Tesla App
• Drive Tesla Canada
• Teslarati
• Electrek
• NHTSA Recalls