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.
If your new car greeted you with an “Electric Parking Brake (EPB) Warning” the day you picked it up, you’re not alone—and you’re right to be concerned. In California, the Song-Beverly Consumer Warranty Act (often called the California Lemon Law) may apply when a vehicle has a significant defect that the manufacturer can’t or won’t fix within a reasonable number of attempts. This article explains how the law can relate to an EPB warning that appears on delivery and what steps you can take to protect your rights.
CA Lemon Law: Electric Parking Brake Warning on Delivery
An EPB warning at or shortly after delivery raises immediate safety questions. Modern parking brakes are controlled by electronic modules, sensors, and software. When the system faults, you may see messages like “Parking Brake Malfunction,” “Auto Hold Unavailable,” or a brake warning icon. Drivers report issues such as rollaway risk on inclines, the brake failing to engage or release, grinding noises, or the car stuck in Park. For EVs and hybrids—which rely heavily on integrated brake-by-wire systems—an EPB fault can affect other stability or regenerative braking functions.
Under California’s Lemon Law, a vehicle may qualify as a “lemon” if a defect covered by the manufacturer’s warranty substantially impairs use, value, or safety, and the manufacturer (through its dealer) can’t repair it after a reasonable number of attempts. The law’s “presumption” period generally looks at problems occurring within 18 months of delivery or 18,000 miles, whichever comes first. While each case is fact-specific, repeated EPB warnings, multiple repair visits, or 30 or more total days out of service can be important indicators. Safety-related issues—like a parking brake that won’t hold—are taken seriously.
Real-world examples help illustrate the problem. Some owners take delivery and see the EPB light before leaving the lot; the dealer may perform a software update or reprogram the brake control module. Others experience intermittent warnings during the first weeks, followed by TSB-directed replacements of the EPB actuator, harness, or control unit. In some cases, over-the-air updates temporarily silence the warning, only for it to return. Even “No Trouble Found” entries on repair orders matter, because they document that the defect was present but not resolved, which can count toward the repair history.
How to Document Repairs and When to Call ZapLemon
If you see an EPB warning, take clear photos or a short video of the dashboard and any messages. Note the date, mileage, and driving conditions (e.g., parked on an incline, after a fast charge, or in rain). Avoid clearing the warning or disconnecting the 12V battery before a dealer visit—codes can be erased, making diagnosis harder. If the car feels unsafe or won’t hold on a hill, consider towing instead of driving. Ask the dealer to road test under the same conditions and to check for related TSBs, recalls, software updates, and known module issues.
Keep copies of every repair order, even if the dealer writes “could not duplicate,” “no codes stored,” or “operating as designed.” Make sure your symptom is written in your words on the intake line (“EPB light on at delivery; parking brake fails to engage on slope”). Track how long the car is in the shop, request a loaner, and save any text or email updates. If the issue repeats, note that it’s a repeat concern when you check in. If parts are on backorder, ask for the ETA in writing and whether a field engineer review is appropriate.
It may be time to contact ZapLemon when you’ve had repeated EPB warnings, multiple unsuccessful repair attempts, or extended days out of service—especially within the first 18 months/18,000 miles. Also reach out if the dealer says the condition is “normal,” refuses to repair under warranty, or only offers temporary software resets that don’t last. Every situation is different, and timing matters. A consultation can help you understand potential options under the California Lemon Law, such as repurchase, replacement, or other resolutions, without making any assumptions about outcome.
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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.