Ongoing car troubles can be frustrating, time-consuming, and expensive—especially when the same defect keeps coming back. If you live in California, the state’s Lemon Law may provide strong protections when a vehicle can’t be fixed within a reasonable number of attempts under the manufacturer’s warranty. Understanding how the law works, what counts as a “lemon,” and how to document your repairs can help you decide your next steps.
How California Lemon Law Defines a ‘Lemon’
California’s Lemon Law—part of the Song-Beverly Consumer Warranty Act—applies to new and many used vehicles that are still covered by the manufacturer’s warranty. In plain terms, a vehicle may qualify as a “lemon” if it has a defect that’s covered by the warranty, the defect substantially impairs the car’s use, value, or safety, and the manufacturer or its authorized dealer can’t fix it after a reasonable number of repair attempts. “Substantial” doesn’t mean the car must be undrivable; repeated transmission slipping, stalling, brake issues, steering problems, electrical failures, or recurring “check engine” errors can all qualify if they meaningfully affect use, value, or safety.
California also has a legal “presumption” that helps consumers during the first 18 months or 18,000 miles (whichever comes first). Under that presumption, your car may be presumed a lemon if: (1) the manufacturer or dealer made four or more attempts to repair the same defect; (2) for a defect likely to cause serious injury or death, two or more repair attempts were made; or (3) the vehicle spent more than 30 cumulative days in the shop for warranty repairs. Importantly, even if you’re outside the 18-month/18,000-mile window, you may still have rights during the warranty period—just without the presumption.
Coverage can extend beyond brand-new cars. Many used vehicles qualify if they’re sold with the manufacturer’s warranty still in effect, or as certified pre-owned with manufacturer-backed coverage. California also covers many SUVs, trucks, and certain business-use vehicles (with limits), and often covers the chassis of motorhomes (though not always the “house” components). Potential remedies can include repurchase or replacement and certain incidental costs, but every situation is unique, and results depend on the specific facts and the law.
Signs, Repair Attempts, and Warranty Tips to Know
Common signs that your vehicle might be a lemon include recurring problems that return soon after a “repair,” long stretches in the shop, or safety-related failures that make you worry about driving. Examples we often hear about are: transmission shuddering or hard shifting, engine stalling, repeated check-engine lights, brake pulsation or loss of braking power, steering drift or vibration, electrical failures (infotainment, battery drain, ADAS/sensor errors), faulty HVAC systems, and water leaks that cause mold or electrical shorts. If the issue keeps coming back, that’s a signal to start documenting everything.
A “repair attempt” generally means an authorized dealer tried to diagnose and fix a warranty-covered defect. The law looks at whether the manufacturer (through its dealers) was given a reasonable number of chances, not just one visit. For serious safety defects, fewer attempts may be enough; for non-safety issues, more attempts may be required. Time without your vehicle matters too—30 or more cumulative days in the shop for warranty repairs can be a key threshold. To protect your rights, always ask for detailed repair orders showing dates, mileage in/out, your complaint, the technician’s findings, and the work performed.
Know your warranty. Read the warranty booklet and any certified pre-owned documents to see what’s covered and for how long (basic, powertrain, emissions, hybrid/EV components). Report problems promptly, use an authorized dealer, and keep all records—repair orders, tow receipts, rental or loaner agreements, emails or texts with the dealer or manufacturer, and photos/videos of the defect. Avoid modifications that could complicate diagnosis. If the problem persists, consider opening a case with the manufacturer and learning about your options. Deadlines can apply under California law, so timely action and proper documentation are important.
This article is for general informational purposes only, is not legal advice, and does not create an attorney-client relationship. Reading this page or contacting ZapLemon does not establish an attorney-client relationship, and past results do not guarantee similar outcomes. Laws can change and your situation may be different, so you should consult an attorney for advice about your specific facts.
If you believe your vehicle may qualify as a lemon, contact ZapLemon at (310) 489-3017 or https://zaplemon.com. We’re here to answer questions, review your documents, and help you understand your options under California’s Lemon Law.