Flickering headlights, dead taillights, or a dark instrument cluster can turn an ordinary drive into a serious safety risk. If your car’s lighting keeps failing and the dealership can’t fix it under warranty, California’s lemon law may offer protections. This article explains how lighting-related electrical defects fit into California’s rules and how to document problems so you can have an informed conversation with a lemon law firm like ZapLemon. This information is educational only and not legal advice.
When Lighting Fails: California Lemon Law Basics
California’s Song-Beverly Consumer Warranty Act—often called the “California Lemon Law”—protects consumers when a new or used vehicle under the manufacturer’s warranty has a defect the manufacturer can’t repair after a reasonable number of attempts. Electrical failures that disable lighting are often more than just annoying; they can create immediate safety concerns. Headlights that go dark at speed, brake lights that intermittently don’t illuminate, or turn signals that fail to flash can all be examples of defects that substantially impair the use, value, or safety of the vehicle.
A “reasonable number of repair attempts” depends on the facts, but California has a legal presumption that helps consumers in certain situations during the first 18 months or 18,000 miles, whichever comes first. Generally, the presumption may apply if there have been multiple repair attempts for the same problem—often two or more for a defect likely to cause serious injury or death, four or more for a non-safety defect, or if the vehicle has been out of service for repairs for more than 30 cumulative days. Even if you’re outside that window, you may still have rights; the presumption is just one pathway, not the only way to pursue a claim.
If a vehicle qualifies as a lemon, remedies under the law may include repurchase or replacement by the manufacturer, and in some situations reimbursement for incidental expenses. The exact outcome depends on the specifics of your case, your warranty coverage, and the repair history. Software updates, module replacements, and wiring repairs performed by an authorized dealer all count as repair attempts, so it’s important to bring the car to the dealer and give the manufacturer its required opportunities to fix the problem. A consultation with a firm like ZapLemon can help you understand your options, but a formal attorney-client relationship only begins after you sign an agreement.
Documenting Electrical Issues That Kill Headlights
Start with clear, consistent documentation. Note the date, time, mileage, weather, and road conditions whenever the lighting fails. Describe exactly what happened: for example, “Right low-beam shut off after 10 minutes,” “Both DRLs flickered when hitting bumps,” or “Brake lights failed; driver behind honked.” Take photos or short video clips showing warning messages, dark headlamps against a wall, or an unlit taillight while the brake pedal is pressed. If the issue is intermittent, keep a simple log to show frequency and patterns.
At the dealership, ask that your concern be written on the repair order in your own words and verify it before you sign. Request a copy of every repair order and final invoice showing the complaint, cause, and correction, as well as any part numbers. Lighting failures often trace to a body control module, a lighting control module, loose or corroded grounds, moisture intrusion in headlamp housings, wiring harness chafing in fenders, relay issues, alternator voltage spikes, or software faults on the CAN bus. If the dealer performs a software update or TSB procedure, make sure that’s listed on the paperwork, too.
Give the manufacturer reasonable opportunities to fix the problem. Schedule follow-up appointments promptly if the defect returns, and avoid aftermarket accessories that can complicate diagnosis, like non-OEM LED kits or splice-in dash cams. If nighttime driving is unsafe due to the defect, tell the service advisor and ask about a loaner or rental coverage under your warranty. Keep records of calls with the manufacturer, case numbers, towing receipts, and days the car is out of service. Thorough documentation strengthens your position if you decide to speak with a California lemon law firm such as ZapLemon.
Electrical failures that disable lighting can be frightening and frustrating, but you don’t have to navigate California’s lemon law alone. ZapLemon helps Californians understand their rights and evaluate next steps. If you believe your vehicle may qualify as a lemon, contact ZapLemon at (310) 489-3017 or visit https://zaplemon.com for a consultation.
Attorney Advertising. This post is for informational purposes only and is not legal advice. Reading this article does not create an attorney-client relationship with ZapLemon. Results vary and past outcomes do not guarantee future results. For advice about your specific situation, please contact our firm to discuss your options.