Blind Spot Monitoring System Failures on New Cars Under Florida Lemon Law

Why Blind Spot Monitoring Failures Matter

Modern vehicles come loaded with driver-assistance technology. Blind spot monitoring (BSM) is one of the most widely used features. It watches the lanes beside and behind your car. When another vehicle enters your blind zone, a warning light or sound alerts you before you change lanes.

When this system fails, it stops doing its job. That matters not just for convenience but for safety. A system that never warns you, warns you at random times, or stays in a permanent fault state can create real danger on Florida highways.

If your new car has a blind spot monitoring problem that the dealer cannot fix, Florida's Lemon Law, Chapter 681 of the Florida Statutes, may give you the right to a refund or a replacement vehicle.

What Vehicles Florida's Lemon Law Covers

Florida's Lemon Law, Chapter 681 of the Florida Statutes, applies to new and demonstrator vehicles sold or leased in Florida. Used vehicles are not covered under this law.

The law's protections apply during what is called the Lemon Law rights period. That period runs for 24 months from the date the original consumer took delivery of the vehicle. If your blind spot monitoring problem shows up within that window, and the dealer cannot fix it after a reasonable number of attempts, you may have a claim.

Does a Blind Spot Monitor Failure "Substantially Impair" the Vehicle?

The law does not cover every minor annoyance. A defect must be a nonconformity, meaning it must substantially impair the use, value, or safety of the vehicle.

A blind spot monitoring failure commonly meets that standard because:

Safety impairment. BSM is a crash-avoidance system. A system that fails to alert you to vehicles in your blind zone directly affects how safely you can drive the car.
Value impairment. A documented, unrepaired ADAS defect lowers what a reasonable buyer would pay for the vehicle.
Use impairment. Constant false alerts, error messages on the dash, or a system that shuts down repeatedly can make normal driving frustrating and unreliable.

Whether your specific situation clears the legal threshold depends on the facts. Many consumers with documented blind spot system failures have found their problems fall squarely within the law's definition.

For a broader look at how safety-system defects are treated, see our post on ADAS safety system defects and Florida's Lemon Law.

Common Blind Spot Monitoring Problems Seen on New Cars

Blind spot monitor failures show up in several ways. Some of the most common complaints include:

The BSM warning light never activates, even when vehicles are clearly in the blind zone.
The system throws constant false alerts with no vehicle nearby.
A persistent dashboard fault message indicates the system is unavailable or offline.
The cameras or radar sensors behind the system become misaligned or fail outright.
The feature resets or deactivates on its own after every drive cycle.
Software updates from the dealer fix the issue temporarily, but the problem returns within days or weeks.

Each repair visit and its outcome should be documented carefully. Keep every repair order, even the ones that say "unable to duplicate" or "no fault found." Those records are important if you later pursue a claim.

How Repair Attempts Work Under Florida Law

The statute sets out two main ways a vehicle can qualify after repair failures.

Three repair attempts for the same defect. If the dealer has tried to fix the same blind spot monitoring problem at least three times without success, many consumers are in a position to take the next step. That step is sending the manufacturer a written notice called a Motor Vehicle Defect Notification. This notice gives the manufacturer one final opportunity to repair the problem before a formal claim moves forward.

30 or more days out of service. If your car has spent 30 or more cumulative days at the dealership for repairs (across any defects, not just the BSM issue), that is a separate qualifying path. For recreational vehicles the threshold is 60 days. After hitting this mark, the consumer again sends written notice and allows the manufacturer an opportunity to inspect and repair.

Getting the written notice right matters. The timing, the content, and the delivery method all affect how the process unfolds.

For a deeper look at how days out of service are calculated, see our post on days out of service under Florida's Lemon Law.

What Remedies Does the Law Allow?

If a claim succeeds, the statute allows one of two remedies.

A refund. The manufacturer repurchases the vehicle. The refund covers the purchase price, plus collateral charges and finance charges. A statutory offset is subtracted to account for the consumer's use of the vehicle before the first repair attempt for the defect.

A replacement vehicle. The manufacturer replaces the vehicle with a comparable new one.

Past results do not predict future outcomes.

The Arbitration Process

Before a consumer can go to court under Florida's Lemon Law, the case generally goes through an arbitration process first. If the manufacturer runs a certified arbitration program, the dispute goes there initially. After that, or if no certified program exists, the case can be heard by the Florida New Motor Vehicle Arbitration Board, which is run through the Florida Attorney General's office.

Arbitration is a formal process with rules, deadlines, and hearings. Many consumers find it helpful to understand what to expect before that stage arrives. Our post on what to expect at an arbitration hearing walks through that process in plain language.

Attorney Fees and What They Cost You

One important feature of Florida's Lemon Law is its fee-shifting provision. When a consumer prevails, the manufacturer pays the consumer's reasonable attorney fees. This means many consumers can pursue a legitimate claim without paying legal fees out of pocket.

Many Lemon Law attorneys handle these cases at no upfront cost to the consumer. If there is no recovery, you owe no attorney fee. Court costs and expenses may apply and are explained in writing before any case begins.

Keeping Your Documentation in Order

Strong documentation is the foundation of any Lemon Law claim. For a blind spot monitoring defect, that means:

Save every repair order from every visit, including dates in and dates out.
Note the mileage at each visit.
Write down what you told the service advisor in your own words before each visit.
Take photos or short videos of warning lights or error messages when they appear.
Keep records of any communications with the manufacturer's customer care line.

The more clearly your paperwork tells the story of the problem and the repeated failed repairs, the stronger the foundation for a potential claim.

New Model Years and Evolving ADAS Technology

Blind spot monitoring technology changes quickly. Newer model years often use radar, cameras, or a combination of both. When a software update or a sensor calibration goes wrong, the failure can be harder to diagnose and harder to fix. That complexity does not change your rights under the law.

If you are watching trends in new vehicle defects across recent model years, our post on 2026 model year defect trends covers what is showing up early in ownership cycles.

A Brief Summary

Florida's Lemon Law, Chapter 681 of the Florida Statutes, gives buyers and lessees of new and demonstrator vehicles real tools to address serious, unrepaired defects. A blind spot monitoring failure that substantially impairs the safety or value of your car can qualify. The key steps are documenting every repair attempt, understanding the written notice requirement, and knowing which remedies the law makes available.

Think your car qualifies?

If there is no recovery, you owe no attorney fee. Court costs and expenses may apply and are explained in writing before any case begins. Take the free 2-minute case check or call Recalde Lemon Law at (305) 792-9100.

This article is general information about Florida law, not legal advice about your situation. Attorney advertising.