California Lemon Law for Warning Lights Staying On After Delivery

When a brand-new car leaves the lot with a dashboard that won’t stop lighting up, it’s more than annoying—it can be a sign of a defect covered by California’s Lemon Law. This article explains, in plain language, how persistent warning lights after delivery may fit under California’s Song-Beverly Consumer Warranty Act and what practical steps you can take next. It’s for general information only and isn’t legal advice.

California Lemon Law for Persistent Dashboard Warnings

California’s Lemon Law—formally the Song-Beverly Consumer Warranty Act—protects buyers and lessees when a vehicle has defects covered by the manufacturer’s warranty that the manufacturer or its authorized dealers can’t fix after a reasonable number of attempts. Persistent dashboard warnings after delivery, like a check engine light that returns after repairs or an airbag, ABS, or battery/charging light that won’t resolve, can signal an underlying defect. When those warnings affect the vehicle’s use, value, or safety, they may fall within the scope of the law.

Generally, the law applies to new vehicles and many used or certified pre-owned vehicles that are still under the manufacturer’s warranty. A vehicle may be presumed a lemon if, within the first 18 months or 18,000 miles, it has a substantial defect and the manufacturer has had a reasonable number of chances to repair it—often understood as multiple repair attempts for the same issue or 30 or more cumulative days out of service. Serious safety issues may require fewer repair attempts. These are common guidelines, not hard-and-fast rules; every situation depends on the facts and documentation.

If your vehicle qualifies, potential remedies under the law can include a repurchase (buyback), replacement, or, in some cases, a cash settlement—depending on the circumstances. The manufacturer usually must be given a fair opportunity to diagnose and repair the problem through an authorized service center. Because outcomes turn on the details—warranty status, repair history, and the nature of the warnings—speaking with a lawyer for advice about your specific situation is important.

What to Do When Warning Lights Stay On After Delivery

Don’t ignore warning lights. If a light is solid or flickering, schedule service with an authorized dealership as soon as possible; if a critical light is flashing (like a flashing check engine light), consider towing the car to avoid damage or safety risks. Take photos or short videos of the warning lights, note the mileage and driving conditions when they appear, and avoid clearing codes or disconnecting the battery—doing so can erase diagnostic data technicians need to find the root cause.

Each time you visit the dealer, ask for a detailed repair order. It should list your complaint (e.g., “check engine light on”), the technician’s diagnosis, parts replaced, software updates applied, and the dates your car was in the shop. Keep every invoice, warranty booklet, sales or lease contract, and any communications with the dealer or manufacturer. If the dealer says “could not duplicate,” request that the concern be recorded clearly and consider a joint test drive with a service advisor to reproduce the issue.

If the warning lights return after one or more repair attempts, you may wish to contact the manufacturer’s customer care line in writing and keep copies of your correspondence. California law is fact-specific, and time limits may apply, so consider speaking with a California lemon law attorney to evaluate your options. ZapLemon can review your repair history and help you understand whether your situation may qualify under the California Lemon Law and what next steps may make sense for you.