Connecticut Lemon Law: New Cars, Used Cars, and Magnuson-Moss

Connecticut’s lemon law gives buyers and lessees of new vehicles a right to a refund or a replacement when the manufacturer cannot fix a serious defect after a reasonable number of attempts. The rules sit in Chapter 743b of the General Statutes and cover defects that appear within the first two years of ownership or 24,000 miles, whichever comes first.¹ Disputes are decided through a state-run arbitration program run by the Department of Consumer Protection, and manufacturers that ignore an award face daily fines.

Which Vehicles Are Covered

The law applies to new passenger cars, motorcycles, and combination vehicles (those used for both personal and commercial purposes) sold or leased in Connecticut.² The vehicle has to be new and still within the manufacturer’s original warranty period. Used cars fall under a separate statute, noted below.

Buyers and lessees get the same protection. Financed, paid in cash, or leased long-term, you count as a consumer under the law. The eligibility window runs from the date the vehicle was first delivered to the original consumer, not from the date a problem appeared, so the clock starts the day the car leaves the lot.¹

When Your Car Is Presumed a Lemon

A broken part is not enough. The defect has to substantially impair the vehicle’s use, safety, or value, and the manufacturer has to fail at fixing it after a reasonable number of attempts.² Within the first two years or 24,000 miles, the law presumes you have a lemon in any of three situations:

The manufacturer, its agent, or an authorized dealer has tried to repair the same defect at least four times and it still is not fixed.³
The defect is one that could cause death or serious bodily injury when the vehicle is driven, and two repair attempts have failed. This lower threshold applies only during the first year of ownership or the express warranty term, whichever ends first, which is a shorter window than the general two-year period.⁴
The vehicle has been out of service for repair for a total of 30 or more calendar days. The days do not have to be consecutive; five separate week-long visits add up.³

Even without hitting four attempts, you may qualify if the number already made was reasonable for the kind of defect involved.³ You cannot file, though, unless the manufacturer or an authorized dealer has made at least one repair attempt or has flatly refused to try.⁴

What You Can Recover

If the arbitrator rules in your favor, the manufacturer must either replace the vehicle with a comparable new one you find acceptable or refund you. The refund covers more than the sticker price. The statute requires the manufacturer to pay back:

The full contract price, including dealer preparation charges, undercoating, transportation fees, and installed options.²
Collateral charges such as sales tax and license and registration fees.²
Finance charges accrued after you first reported the defect and during any period the vehicle was out of service for repair. The Attorney General’s office has read the statute to allow recovery of all earned finance charges in some cases.⁴
Incidental costs directly caused by the defect, such as towing, rental cars, and lodging if a breakdown left you stranded.⁴

If a loan is on the vehicle, the manufacturer pays off the lienholder and splits the refund between you and the lender based on each party’s interest.²

The Mileage Deduction

The refund is reduced by a reasonable allowance for the use you had of the vehicle. Connecticut’s formula divides the odometer reading at the time the manufacturer accepts the return by 120,000, then multiplies by the total contract price.² If you paid $36,000 and the car came back with 12,000 miles on it, the deduction would be $3,600 (12,000 ÷ 120,000 × $36,000). The sooner you report the defect, the smaller the deduction.

Notify the Manufacturer First

Before you can file for arbitration, the manufacturer needs to know there is a problem. Your owner’s manual or warranty booklet will list the office that handles complaints along with its address and phone number.¹ It will also say whether written notice is required before you can pursue a refund or replacement. Not every manufacturer requires it, but if yours does, send that notice or your claim will stall.⁴

A common misunderstanding: the statute does not universally require certified mail or a letter to a particular regional office. Any such requirements come from the individual manufacturer’s warranty terms. If the manual says nothing about written notice, reporting the problem to an authorized dealer is enough.

Filing for Arbitration

Once the manufacturer has had its chance to fix the car and the problem persists, you file with the Department of Consumer Protection’s Lemon Law Arbitration Program. The application is available through the DCP, and you can reach the office at (860) 713-6120 or (800) 538-CARS (2277) with questions.⁵ A filing fee applies and is refunded if the Department determines you are not eligible.

Documentation decides most cases. Before you file, pull together:

Every repair order and service receipt from the dealership.
A chronological log of each repair visit with dates and odometer readings.
Written descriptions of the symptoms you reported and what the technician found.
A count of total days the vehicle was unavailable due to repairs.
Copies of any correspondence with the manufacturer.
Your vehicle identification number and the dealership’s name and address.

The Department screens the application to confirm the vehicle falls within the two-year or 24,000-mile window. If it does, the case moves to a hearing before an independent arbitrator who issues a written decision. A favorable award will typically be either a replacement comparable new vehicle or a refund calculated using the components and mileage formula above, with a deadline for the manufacturer to deliver.⁶

If the Manufacturer Drags Its Feet

The manufacturer generally has 30 days after receiving notice of your acceptance to deliver a replacement or issue the full refund, including collateral charges and incidental damages.⁷ Each day of willful noncompliance past that point counts as a separate violation. A 2021 amendment gave the Department of Consumer Protection authority to levy fines of up to $1,000 per day on manufacturers that miss the deadline.⁸

For consumers, the arbitration decision is final in most cases. You cannot appeal to court except in very limited circumstances.⁹ The trade-off cuts both ways: no litigation cost or delay, but no second shot if the arbitrator rules against you. If you suspect arbitration will not serve you, consider filing a court action first, since accepting arbitration generally forecloses that option.

Used Cars Fall Under a Different Statute

Chapter 743b applies only to new vehicles. Used cars bought from a dealer are covered by Chapter 743f, which sets warranty minimums that scale with price:¹⁰

Purchase price from $3,000 to under $5,000: the dealer must warrant the vehicle as mechanically sound for at least 30 days or 1,500 miles, whichever ends first, with full parts and labor coverage.
Purchase price of $5,000 or more: at least 60 days or 3,000 miles, whichever ends first.

The warranty period pauses any time the vehicle is back at the dealer for covered repairs. Dealers also cannot disclaim implied warranties on used vehicles priced at $3,000 or more, and they must disclose any prior total-loss declaration.¹⁰

Federal Backup: The Magnuson-Moss Warranty Act

If your situation falls outside Connecticut’s lemon law, perhaps because the eligibility window has closed or the arbitrator ruled against you, the federal Magnuson-Moss Warranty Act is a separate route. It lets any consumer harmed by a manufacturer’s failure to honor a written or implied warranty sue in state or federal court.¹¹

The practical advantage is fee-shifting: if you win, the court can order the manufacturer to pay your attorney’s fees and court costs based on actual time your lawyer spent on the case. That often makes it worthwhile to hire counsel in cases where litigation costs would otherwise exceed the claim. To file in federal court, the amount in controversy must be at least $50,000 excluding interest and costs; smaller claims go to state court.¹¹

1
State of Connecticut. Lemon Law for the Consumer
2
Connecticut General Assembly. Connecticut Code 42-179 – New Motor Vehicle Warranties
3
Department of Consumer Protection. Connecticut Lemon Law Information Sheet
4
BBB National Programs. Connecticut Lemon Law Summary
5
State of Connecticut. Lemon Law Application Process
6
Department of Consumer Protection. My Vehicle Meets the Definition of a Lemon and My Case Has Been Accepted for Arbitration
7
Connecticut General Assembly. Connecticut Code Chapter 743b – New Automobile Warranties
8
State of Connecticut. Jaguar Land Rover to Pay 26500 for Lemon Law Violation
9
Department of Consumer Protection. Questions Frequently Asked About the Lemon Law Program
10
Connecticut General Assembly. Connecticut Code Chapter 743f – Used Automobile Warranties
11
Office of the Law Revision Counsel. 15 USC 2310 – Remedies in Consumer Disputes