Start with the records. Repair orders, warranty documents, mileage, and days out of service are more useful than general assumptions about whether a vehicle qualifies.
Intermittent headlight failure can be more than an inconvenience—it can be a serious safety issue that makes night driving risky and stressful. If your vehicle’s headlights flicker, shut off unexpectedly, or only work some of the time, you may be wondering whether California’s Lemon Law offers protection. This article explains how the California Lemon Law applies to intermittent headlight problems, and what you can do to document your experience, preserve your rights, and decide on next steps with help from ZapLemon.
California Lemon Law: Intermittent Headlight Failure
California’s Lemon Law—part of the Song-Beverly Consumer Warranty Act—protects consumers when a vehicle has a defect that substantially impairs use, value, or safety, and the manufacturer can’t fix it after a reasonable number of attempts during the warranty period. Headlights that turn off unexpectedly, dim without warning, or fail on one or both sides can be viewed as safety-related defects because they affect visibility and the ability of other drivers to see you. Even if the problem is intermittent and hard to reproduce, it may still fall under the law if it persists despite repair attempts.
Intermittent headlight issues show up in many ways: the “auto” setting fails at dusk, headlights flicker on bumps, LEDs cut out after the car warms up, condensation or moisture repeatedly appears inside the headlamp housing, or dashboard messages warn of a lighting system malfunction. These symptoms can point to problems with the headlight control module or driver, body control module (BCM), sensors, relays, wiring harnesses, or even low-voltage conditions from the battery or alternator. Under California law, what matters is whether the defect was covered by the manufacturer’s warranty and whether the manufacturer (through an authorized dealer) had a reasonable number of chances to fix it.
There is a legal “presumption” that can help some consumers if the issues occur within the first 18 months or 18,000 miles, but cases can still qualify outside that window if warranty repair attempts were made and the defect persisted. Potential remedies under the law may include a buyback (repurchase), a replacement vehicle, or a cash settlement, depending on the facts. Every situation is different, and outcomes depend on documentation, timing, and the nature of the defect. This information is general and not legal advice—ZapLemon can review your specific circumstances and explain your options.
What to Document: Repairs, Warnings, and Dates
Good documentation is often the difference-maker in an intermittent headlight case. Keep all repair orders and invoices from authorized dealerships—every visit counts, even when the technician writes “no problem found” or “could not duplicate.” Make sure each repair order captures what you reported (“customer states headlights shut off after 20 minutes on freeway”), what the dealer tried, and any parts replaced. Note the mileage and date at each visit, and request copies before you leave the service department.
Capture the symptoms when they happen. Photos or short videos showing the headlights flickering, shutting off, or dashboard warning lights can help a technician replicate the problem later. Jot down details like time of day, outside temperature, wet or dry conditions, whether you were using “auto” mode, and whether bumps or turns seemed to trigger the issue. Keep texts or emails with the service advisor, any manufacturer case numbers, and printouts of recalls or technical service bulletins (TSBs) that relate to your lighting system.
A few practical steps can also help. Present the vehicle to an authorized dealer while the manufacturer’s warranty is in effect. Avoid aftermarket lighting or electrical modifications that could complicate diagnosis. Track days the car is out of service for repairs and keep everything in one folder—warranty booklet, purchase or lease agreement, and repair records. If the issue is a safety risk, consider limiting night driving and use roadside assistance if the failure leaves you stranded. When you’re ready, speak with ZapLemon so a professional can review your records and discuss next steps for your situation.
Need a case-specific review?
Use the case-review form to share the warranty, repair orders, dates, mileage, and supporting facts an attorney would need to evaluate, or call (844) 927-5366.
Attorney advertising. General information is not legal advice and does not create an attorney-client relationship. No result is promised or guaranteed.