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.
Today’s cars are rolling computers, and when software acts up, the consequences can range from annoying to unsafe. If your vehicle’s infotainment freezes, driver-assistance features behave unpredictably, or an over‑the‑air update knocks out key functions, you may be wondering whether California’s lemon law can help. Below, ZapLemon explains how software-related defects fit within California law and what steps you can take to protect your rights—without offering legal advice or making promises about any outcome.
Do Software Glitches Count Under California Lemon Law?
California’s lemon law—formally the Song-Beverly Consumer Warranty Act—covers defects that arise during the manufacturer’s warranty and substantially impair the use, value, or safety of the vehicle. That can include software problems, not just hardware failures. Modern vehicles rely on code that controls everything from power delivery and braking to cameras and connectivity; when that code fails and the manufacturer can’t fix it after a reasonable number of attempts, the issue may fall within lemon law coverage.
Consider common examples. An infotainment system that repeatedly reboots can knock out the backup camera, audio, and hands-free calling. Advanced driver-assistance (ADAS) software may falsely trigger brake warnings, wander in lane-keeping, or randomly disable cruise control. Electric vehicles may exhibit sudden loss of power after a battery management update, while engine or transmission control software might cause rough shifts, stalling, or delayed acceleration. Even if the cause is “just software,” the impact on safety or usability can be very real.
What matters under the law is not whether the defect is mechanical or digital, but whether it’s covered by the warranty, documented, and persists despite the manufacturer’s repair efforts. “No trouble found” tickets, intermittent failures, or “operating as designed” notes do not end the analysis; thorough documentation can still show a pattern. California also considers the amount of time your vehicle spends in the shop. If repeated updates, module replacements, or reprogramming attempts fail to resolve the issue, it may be time to discuss your options with a professional. This information is general and not legal advice—every situation is unique.
What to Document and When to Ask ZapLemon for Help
Start a clean paper trail. Save every repair order, including dates in and out, mileage, your reported symptoms, the dealer’s diagnosis, and the exact software version or calibration ID installed. Take photos or short videos of error messages, black screens, phantom warnings, or malfunctions, and note the conditions (speed, weather, battery level, devices connected). If your car receives over‑the‑air updates, capture screenshots of update notices and keep any emails, app notifications, or TSB/recall references.
Track patterns over time. Make a simple log of each occurrence with date, mileage, what happened, and how it affected use or safety (e.g., “backup camera blank when shifting into reverse,” “vehicle lost power merging onto freeway,” “auto‑brake false alarm”). Keep records of tow bills, rental/loaner vehicles, and days out of service. If the dealer can’t duplicate the problem, ask that your concern be written verbatim on the repair order and request a test drive with a technician if possible.
Reach out to ZapLemon if you’ve had multiple unsuccessful repair attempts, if the vehicle has been in the shop for an extended time, or if the issue presents a safety risk. It can also be helpful to talk earlier—before warranty deadlines approach—so you understand your rights and what additional documentation might be useful. Whether you purchased new or used (with remaining manufacturer warranty), or your vehicle has been subject to recurring software “fixes” that don’t last, a consultation can help you evaluate next steps without commitment or guarantees.
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.