Montana Lemon Law: Your Rights for a Defective Vehicle

Under Montana's lemon law, your new vehicle is presumed to be a "lemon" if, while it is still covered by the manufacturer's express written warranty, the same defect has been through four or more repair attempts by the manufacturer or its dealers and still is not fixed, or the vehicle has been out of service for repairs for a cumulative total of 30 or more business days. When either trigger is met and the defect substantially impairs the vehicle's use, value, or safety, the manufacturer must give you a comparable replacement vehicle or refund your money. These rules are set out in Montana's New Motor Vehicle Warranties Act, found in the Montana Code Annotated (MCA) Title 61, Chapter 4, and are enforced through a state-run arbitration program administered by the Montana Department of Justice.

What Montana's lemon law covers

Montana's lemon law applies to new motor vehicles that are sold or registered in the state and are bought or leased primarily for personal, family, or household use. The protection is built around the manufacturer's express warranty the written warranty that comes with the new car. The defect at issue must be a "nonconformity," meaning a problem that substantially impairs the use, market value, or safety of the vehicle and is not the result of abuse, neglect, or unauthorized modifications by the owner.

Routine wear items, cosmetic blemishes, and problems you caused yourself generally do not qualify. The law is aimed at genuine manufacturing or assembly defects that the dealer's service department cannot resolve despite a fair chance to do so. Coverage is tied to the warranty term, so it is important to report problems and keep bringing the vehicle in while the express warranty is still in effect.

The two ways to trigger the presumption

Montana law presumes the manufacturer has had a "reasonable number of attempts" to fix the vehicle if, during the express warranty term, either of the following happens:

• Four or more repair attempts on the same nonconformity, where the defect continues to exist after those attempts; or
• 30 or more cumulative business days out of service while the vehicle sits in the shop for warranty repairs (these days do not all have to be for the same defect).

This is a legal presumption, which shifts the situation in your favor once you hit the threshold. It does not mean every other case is hopeless even if you have not reached four attempts or 30 days, you may still have a claim if you can show the manufacturer failed to repair the vehicle within a reasonable number of attempts. The presumption simply makes the strongest cases easier to prove.

Time limits and giving the manufacturer notice

Because Montana ties its lemon law to the warranty term, the clock that matters most is how long your express warranty lasts. The defect must arise and the repair attempts must occur while that warranty is in force. Before you can demand a refund or replacement, the manufacturer is generally entitled to written notice and a final opportunity to repair the vehicle. Send that notice in writing and keep a copy, because it often becomes the starting point for arbitration.

Montana also sets a deadline for bringing a lemon-law action through its arbitration or court process, and the exact mileage and time figures that define the warranty and eligibility window can change with statutory updates. Confirm the current thresholds and filing deadlines directly in MCA Title 61, Chapter 4, or with the Montana Department of Justice before you rely on a specific number. Do not let your warranty expire while you wait the longer you delay, the weaker your position becomes.

What you can recover: refund or replacement

If your vehicle qualifies and the manufacturer cannot conform it to the warranty, Montana gives the manufacturer a choice between two remedies, but the choice that matters to you is that you walk away made whole:

• Replacement vehicle: a comparable new motor vehicle of the same make and model, acceptable to you.
• Refund: return of the full purchase price you paid, including collateral and incidental charges such as sales tax, license and registration fees, and finance charges.

From a refund, the manufacturer is allowed to subtract a reasonable allowance for your use of the vehicle before the defect was reported the mileage you put on the car while it was working. If the vehicle was financed, the refund is structured to pay off the lender and return your equity. Keep every repair order, receipt, and payoff statement so the dollar figures can be calculated accurately.

Documenting your case

Lemon-law claims are won with paperwork. To protect your rights:

• Get a written repair order every single visit, even if the dealer says they could not duplicate the problem make sure that is written down too.
• Confirm that each order accurately describes the symptom you reported and the dates the vehicle was in and out of the shop.
• Keep a log of days out of service so you can show when you cross the 30-business-day line.
• Save your purchase or lease contract, warranty booklet, and all financing documents.

How to enforce your rights in Montana

Montana channels most new-vehicle disputes through a state-administered arbitration program run by the Department of Justice. Many manufacturers also operate their own informal dispute-resolution programs, and you may be required to use a qualified program before going to court. Arbitration is generally faster and less expensive than a lawsuit, and a decision in your favor can order a refund or replacement.

If arbitration does not resolve the matter, or if the manufacturer refuses to honor the result, you can pursue the claim in court. Montana's lemon law allows a prevailing consumer to recover costs and, in appropriate cases, attorney fees a provision that makes it realistic to hire a lawyer who handles these cases. Because deadlines and procedural steps are strict, consider talking to a Montana consumer attorney early, especially before your warranty lapses.

The federal backstop: Magnuson-Moss

Even if you fall outside Montana's specific lemon-law presumptions, the federal Magnuson-Moss Warranty Act gives every consumer the right to sue a manufacturer that breaches a written or implied warranty, and it also allows recovery of attorney fees. Used cars and situations that do not meet the four-attempts or 30-day tests may still be actionable under this federal law or under Montana's general breach-of-warranty and consumer-protection statutes. A Montana attorney can tell you which path fits your facts.

Where to verify Montana's rules

For authoritative information, start with the Montana Department of Justice, Office of Consumer Protection the consumer-protection arm of the Montana Attorney General. That office can explain the new motor vehicle arbitration process, accept complaints, and point you to the current statutory thresholds. The full text of the lemon law lives in the Montana Code Annotated, Title 61, Chapter 4, which you can read free online through the Montana Legislature's website.

Always confirm the exact repair-attempt counts, days-out-of-service figures, warranty windows, and filing deadlines against the current statute or with the Attorney General's office before acting, because legislatures revise these provisions periodically. The core protection, however, is durable: if your new Montana vehicle has a substantial defect the dealer cannot fix in a reasonable number of tries, the manufacturer not you should bear the loss.

Official Montana Sources

This page is based on Montana law. Limits and deadlines change — verify the current details directly with the official Montana sources below. This is general legal information, not legal advice.

• Montana Department of Justice, Office of Consumer Protection — official Montana agency.
• File a Consumer Complaint - Montana Office of Consumer Protection
• Montana Code Annotated Title 30, Chapter 14, Part 1 - Consumer Protection Act (Montana Unfair Trade Practices and Consumer Protection Act of 1973)

Federal law also applies. Federal laws like the Fair Debt Collection Practices Act and Fair Credit Reporting Act protect you nationwide, on top of Montana’s own rules.