If your 2021 Toyota Mirai keeps going back to the dealer for the same problems, you’re not alone—and you’re not without options. California’s lemon law may protect owners and lessees when a new vehicle has defects that the manufacturer can’t fix within a reasonable number of attempts. Below, ZapLemon explains how the law can apply to a fuel-cell vehicle like the Mirai and what steps you can take to protect your rights.
2021 Toyota Mirai: Does CA Lemon Law Protect You?
California’s Song-Beverly Consumer Warranty Act (often called the “lemon law”) can apply to hydrogen fuel-cell cars such as the 2021 Toyota Mirai. In plain terms, the law looks at whether a warrantied defect substantially affects the vehicle’s use, value, or safety, and whether the manufacturer (through its authorized dealers) had a reasonable number of chances to fix it. If those conditions are met, you may have remedies available under the law. This protection generally applies to vehicles purchased or leased in California for personal, family, or household use and that are still within the manufacturer’s warranty period.
With a Mirai, real-world issues can look different from a gasoline or battery-electric car. For example, some owners report repeated “Check Fuel Cell System” warnings, trouble refueling due to tank pressure sensor faults, unexpected power loss or limp mode, software glitches that recur after updates, or cooling system concerns tied to fuel-cell components or the drive system. Others see long dealership stays while parts are ordered or while Toyota engineers advise on repairs. Keep in mind that not every issue will qualify, and limited hydrogen station availability by itself is typically not a vehicle defect—but a defect that prevents refueling can be.
California law also provides helpful guideposts. Within the first 18 months or 18,000 miles, there’s a legal “presumption” that a vehicle may be a lemon if certain benchmarks are met, such as multiple repairs for the same problem, repeated attempts to fix a serious safety issue, or 30 or more total days in the shop. Even if you’re outside those early milestones, you may still have rights during the warranty period. Potential outcomes in qualifying cases can include a repurchase (buyback), a replacement vehicle, or a cash settlement—what’s appropriate depends on the facts, and a case-specific evaluation is essential.
Simple Steps: Document Repairs and Warranty Rights
Good documentation is your best friend. Each time you visit the dealer, ask for a detailed repair order that lists your complaint in your own words, the mileage, the dates in and out, the technician’s findings, and all parts or software updates performed. Note symptoms as they happen—photos or short videos of warning messages, refueling failures, or performance issues can help. Track the total days your Mirai is out of service, any towing or roadside events, and whether you received a loaner or rental.
Review your Toyota warranty booklet and any extended coverage you purchased. Fuel-cell and emissions-related components often carry specific warranties, and California has additional emissions protections for certain components. Use authorized Toyota Mirai dealers for repairs, ask if any Technical Service Bulletins or recalls apply, and confirm software is up to date. Keep emails or texts with the dealer or Toyota customer care, and consider sending a polite written notice to Toyota if problems continue—save proof of delivery.
If the same defect keeps returning or your Mirai spends significant time in the shop, it may be time to explore your lemon law options. The law does not require you to accept endless repairs, but it does expect a reasonable opportunity to fix the problem. A consultation can help you understand whether your facts fit the law’s criteria and what next steps might look like, such as requesting a repurchase, replacement, or other resolution. ZapLemon can review your paperwork, timeline, and warranty status and explain your options in clear, everyday language.
Attorney advertising. This article is for general informational purposes only, is not legal advice, and reading it does not create an attorney–client relationship. Every situation is different, and outcomes cannot be guaranteed. If you believe your 2021 Toyota Mirai may qualify as a lemon, contact ZapLemon for a consultation at (310) 489-3017 or visit https://zaplemon.com. We’re here to help you understand your rights and next steps.