Lemon Law Guide

Automobile Lemon Law and Missing Safety Features

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    Start with the records. Repair orders, warranty documents, mileage, and days out of service are more useful than general assumptions about whether a vehicle qualifies.

    California drivers increasingly rely on advanced safety features—like automatic emergency braking, lane keeping, blind-spot monitoring, and backup cameras—to keep themselves and their families safe. But what happens when those features are missing, disabled, or never installed even though the vehicle was sold as having them? This article explains, in plain language, how the California Lemon Law can intersect with missing safety tech, what “reasonable repair attempts” means in this context, and practical steps you can take to protect your rights. This is general information only and not legal advice—every situation is unique, and a consultation is the best way to get guidance on your specific facts.

    When Missing Safety Features Trigger Lemon Law

    California’s Lemon Law (the Song-Beverly Consumer Warranty Act) generally covers vehicles that, while under the manufacturer’s warranty, have a defect or nonconformity that substantially impairs use, value, or safety and cannot be fixed after a reasonable number of repair attempts. Missing or disabled safety features can qualify as a “nonconformity” when the car does not match what was represented on the window sticker, purchase/lease agreement, or warranty coverage—and the feature affects safety or the vehicle’s value. Examples include an SUV sold with blind-spot monitoring that never activates, an “IOU” for a chip-dependent safety option that still isn’t installed months later, or a software update that deactivates forward collision warning.

    In practice, the key questions are: Is the vehicle still within the manufacturer’s warranty? Does the missing or disabled safety feature significantly impact safety, use, or value? And has the manufacturer or its authorized dealer had a reasonable opportunity to repair or install the feature? California law also includes a “Tanner” presumption in certain early-life cases (e.g., multiple repair attempts within 18 months/18,000 miles), and safety-related issues may require fewer attempts to trigger that presumption. That said, claims can still exist outside the presumption window—what matters is the totality of the facts, documentation, and timing.

    Not every situation automatically triggers Lemon Law remedies. For example, a recall part delay, a one-time sensor calibration after windshield replacement, or a short-term software patch could be resolved promptly. On the other hand, repeated “no problem found” repair orders, extended parts shortages, or permanent feature deletions that leave your car different from what you paid for can point toward a potential claim. Because every case is fact-specific, it’s wise to gather records and speak with a professional about your options.

    Steps to Take if Safety Tech Is Missing or Disabled

    Start by documenting everything. Save the window (Monroney) sticker, the purchase/lease agreement, the warranty booklet, and any “Due Bill”/“We Owe” documents that list items to be installed after delivery. Take photos or videos of dashboard messages, grayed-out menus, or warning lights. Note software/firmware versions if your vehicle shows them. Keep copies of emails/texts with the dealer, and print manufacturer bulletins or recalls relevant to your VIN. If your build sheet or marketing materials listed the safety feature, flag that too.

    Seek warranty service as soon as you notice the issue. When you visit the dealer, clearly describe the problem (for example, “Blind-spot indicators never illuminate at any speed” or “Automatic emergency braking shows ‘Unavailable’ daily”). Ask the service advisor to record your complaint exactly and to note whether parts are on backorder, whether a retrofit is planned, and the estimated timeline. Always leave with a dated repair order—even if the dealer “could not duplicate” the issue or is waiting for parts. Track how many days your vehicle is out of service, each repair attempt date, and any test drives or calibrations performed.

    If the feature remains missing or disabled after reasonable attempts or time, learn about your rights before deciding next steps. California Lemon Law remedies can include repurchase, replacement, or other resolutions when legal criteria are met, but outcomes depend on specifics and are never guaranteed. A consultation can help you understand whether your documentation, repair history, and warranty status support a potential claim. Keep in mind: this article is for general information only and is not legal advice. For a case review tailored to your situation, consider contacting a lemon law professional.

    Need a case-specific review?

    Use the case-review form to share the warranty, repair orders, dates, mileage, and supporting facts an attorney would need to evaluate, or call (844) 927-5366.

    Attorney advertising. General information is not legal advice and does not create an attorney-client relationship. No result is promised or guaranteed.

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