SHARE f X in

California Lemon Law Rights: How Arbitration and Mediation Can Help You Get Relief

By BMA Law Research Team

California Lemon Law: Your Rights and Next Steps

California’s Song-Beverly Consumer Warranty Act (Civil Code §§ 1790-1799.4) is the state’s primary "lemon law," designed to protect buyers of new or used vehicles that repeatedly fail to meet warranty obligations. If a car has a substantial defect covered under the manufacturer’s warranty that cannot be fixed after a reasonable number of repair attempts, you may be entitled to a refund or replacement vehicle. The law applies to most passenger vehicles (including SUVs and light trucks) purchased or leased in California, but not motorcycles or commercial vehicles. Key triggers include four or more repair attempts for the same issue (or being out of service for 30+ days for the same problem) within the warranty period, typically the first 18 months or 18,000 miles, whichever comes first.

To pursue a claim, you must first notify the manufacturer in writing (via certified mail) of the defect and demand a refund or replacement. The manufacturer has 40 days to respond. If they reject your claim or fail to act, you can file a lawsuit in small claims court (for claims under $12,500) or superior court. California’s lemon law does not require arbitration—you have the right to sue directly. However, some manufacturers may try to steer you toward arbitration clauses in purchase agreements, which can complicate your case. If you’re unsure whether your claim qualifies or how to proceed, consulting a consumer protection attorney or a dispute-resolution service can help ensure you meet all deadlines and requirements.

Key Takeaways

  • Eligibility: Applies to new or used vehicles with substantial, unrepaired defects under warranty within 18 months/18,000 miles.
  • Repair threshold: Four or more attempts for the same issue, or 30+ cumulative days out of service.
  • Manufacturer response: Must acknowledge your claim within 40 days; failure to act may allow a lawsuit.
  • No arbitration requirement: California lemon law does not mandate arbitration, you can sue in court.
  • Deadlines matter: File your claim before the warranty expires or risk losing your right to compensation.

Why This Matters: Risks of Missteps and the Cost of Inaction

Ignoring a lemon law claim can leave you stuck with a defective vehicle that’s unsafe, unreliable, or financially draining. Without legal recourse, you may face ongoing repair costs, diminished resale value, or even safety hazards if the defect is serious (e.g., brake failures or electrical system issues). Manufacturers often resist claims, arguing that repairs were "reasonable" or that the defect doesn’t qualify, leaving consumers to prove their case in court. Worse, if you miss the 18-month/18,000-mile window, you may lose your right to a refund or replacement entirely, even if the car remains problematic. The stakes are higher for leased vehicles, where you could be liable for excessive wear-and-tear charges on top of repair bills.

On the other hand, a successful lemon law claim can restore your financial footing by covering the full purchase price (minus a small offset for mileage) or securing a comparable replacement. For many Californians, this means avoiding thousands in out-of-pocket expenses and the stress of dealing with a chronic mechanical issue. However, the process requires precision, missing a step, like improperly documenting repairs or failing to send a formal demand letter, can derail your case. That’s why understanding your rights upfront and acting quickly is critical. If you’re facing a lemon, knowing how to navigate the law can mean the difference between walking away with compensation and being left with a car that’s more trouble than it’s worth.

How It Actually Works

The California Lemon Law (Song-Beverly Consumer Warranty Act, Civil Code § 1793 et seq.) provides a legal remedy for consumers who purchase or lease a "lemon"—a vehicle that has substantial defects covered by the manufacturer's warranty and cannot be repaired after a reasonable number of attempts. Here’s how the process typically unfolds:

  1. Verify the vehicle qualifies as a lemon. The car must have a

    Preparing a Dispute?

    BMA prepares arbitration and mediation case packets. Flat $399, no hourly billing.

    Learn More

Frequently Asked Questions

What exactly qualifies as a "lemon" under California law?

California’s Song-Beverly Consumer Warranty Act (Civil Code § 1790 et seq.) defines a lemon as a new vehicle that has a substantial defect covered by the manufacturer’s warranty and cannot be repaired after a reasonable number of attempts. Typically, this means four or more repair attempts for the same issue, or being out of service for 30 or more days due to warranty-covered repairs. The defect must significantly impair the vehicle’s use, value, or safety.

Can I get a refund or replacement if my used car has issues?

California’s lemon law only applies to new vehicles purchased or leased within the state. Used cars, even those sold "as-is"—are not covered unless they were previously returned to the manufacturer under a lemon law claim. For used cars, your options depend on the warranty (if any) and whether the seller violated state consumer protection laws (e.g., fraud or misrepresentation).

Do I have to go through arbitration before suing the manufacturer?

Yes. California law requires you to submit a lemon law claim to an approved arbitration program (like the California Department of Motor Vehicles’ arbitration process) before filing a lawsuit. The manufacturer must respond within 40 days, and if they reject your claim, you can proceed to court. Arbitration is mandatory unless the manufacturer waives it in writing.

What happens if the manufacturer offers a "goodwill buyback" instead of a replacement?

A goodwill buyback is a voluntary settlement where the manufacturer repurchases the vehicle without admitting fault. While you’re not legally required to accept it, many consumers do because it avoids the time and uncertainty of arbitration or litigation. However, you should consult an attorney to ensure the offer is fair and doesn’t waive future claims (e.g., for incidental damages like rental cars or towing).

Next Steps

If you believe your vehicle qualifies as a lemon, gather all repair records, warranty documents, and communication with the dealer or manufacturer. Submit your claim to the California DMV’s arbitration program or consult a consumer protection attorney to review your options. Deadlines apply, typically 18 months from the original purchase date or 2 years from the first repair attempt, so act promptly.