California Lemon Law Coverage for Daytime Running Light Failures

Daytime running lights (DRLs) are easy to overlook—until they stop working. If your vehicle’s DRLs repeatedly fail or dealers can’t fix them under warranty, you may be wondering whether California’s Lemon Law can help. This article explains how DRL problems are evaluated under California law, what evidence matters, and practical steps you can take to protect your rights—all in plain language, without legalese.

Do Daytime Running Light Failures Qualify in California?

California’s Lemon Law, also known as the Song-Beverly Consumer Warranty Act, can apply to lighting problems when they substantially impair the use, value, or safety of the vehicle and occur during the manufacturer’s warranty. DRLs are a safety feature designed to improve visibility to other drivers. If DRL failures make your car less visible in daytime traffic, create intermittent lighting, or trigger repeated warnings or electrical faults, that can be relevant to the “safety” and “value” factors the law considers.

Qualification doesn’t turn on a single incident. Generally, the law looks at whether the manufacturer or its authorized dealers had a reasonable number of opportunities to repair the defect but couldn’t. For safety-related defects, even a smaller number of repair attempts may be considered significant, especially if the problem persists or recurs after supposed fixes. Extended periods in the shop can also matter—if your car spends a total of 30 or more days out of service for warranty repairs, that can support a claim, depending on the facts.

The warranty window is important. Most claims arise while the vehicle is covered by the original manufacturer’s warranty, which can include new cars and many certified pre-owned vehicles. California’s “lemon law presumption” offers extra help within the first 18 months or 18,000 miles (whichever comes first), but vehicles can still qualify outside that presumption based on the overall repair history. Because every case is fact-specific, documentation of the DRL failures, repair orders, and warranty status is essential.

Steps to Take When Daytime Running Lights Fail

Start by documenting the problem. Take photos or short videos of the DRL failure, especially if it’s intermittent, and note dates, mileage, weather, and whether other lights or warning indicators are affected. Check your owner’s manual for DRL information and verify whether your vehicle is still under the manufacturer’s warranty. If there are active recalls or technical service bulletins (TSBs) for your model’s lighting or electrical systems, bring those to the dealer’s attention.

Schedule service with an authorized dealership and clearly describe the symptoms. Ask the service advisor to record your complaint exactly—mention flickering, one side out, both sides out, dashboard messages, battery drain, or “bulb out” errors if applicable. Keep copies of all repair orders, parts lists, diagnostic codes, and invoices (even if $0 under warranty). If the dealer can’t replicate the issue, request that “could not duplicate” be noted and ask what you can do to help reproduce it, such as leaving the car overnight or consenting to a road test.

If the problem keeps returning, escalate. Contact the manufacturer’s customer care line to open a case file and reference your repair order numbers. Continue to return to authorized dealers for warranty work and avoid out-of-pocket modifications that could complicate coverage. If your DRL defect remains unresolved after multiple attempts or significant time in the shop, consider discussing your situation with a California lemon law attorney to evaluate options. An attorney can help you review whether your repair history may meet the legal criteria for remedies like repurchase or replacement; outcomes depend on the specific facts and the law.

This post is for informational purposes only, is not legal advice, and reading it does not create an attorney–client relationship. Vehicle defect cases are fact-specific, and results cannot be guaranteed. If you think your DRL issue may be part of a larger warranty problem, contact ZapLemon for a consultation to discuss your options. Call (888) 555-LEMON or visit www.zaplemon.com. Attorney Advertising.