Your rights when a car purchase goes wrong
The dealer and the manufacturer have lawyers, and you have a payment book, so a car dispute can feel lopsided from the start. Every state has a lemon law requiring manufacturers to repurchase or replace new vehicles they can’t fix. The federal Magnuson-Moss Warranty Act lets consumers who win recover their attorney’s fees, which makes it easier to find a lawyer willing to take a warranty case. State UDAP laws penalize dealer deception, often with multiplied damages. And state insurance regulators tell consumers to ask for the valuation report and dispute a total-loss offer that comes in low.
- Get paper at every visit. Every repair visit should produce a repair order showing the complaint you reported, the days the car was in the shop, and what was done. Ask for one every time, even when the shop writes “couldn’t duplicate.” Those documents are the lemon case.
- Make a formal demand. A demand letter sent by certified mail (to the manufacturer for defects, the dealer for deception, the insurer for valuation) creates the record every escalation path requires. Many lemon laws also require written notice to the manufacturer before the presumption applies.
- Escalate in order. For defects, that means a manufacturer buyback demand, then BBB AUTO LINE or state arbitration, then an attorney (often at little or no cost to you when fee-shifting applies). For dealers, it’s the state dealer licensing board and the attorney general. For insurers, it’s the appraisal clause and the state insurance department.
What makes a car a “lemon”?
The rules vary by state, and the toolkit tells you to check yours. The typical pattern is a substantial defect covered by warranty, plus, within the eligibility period, either a reasonable number of repair attempts (commonly 3–4 for the same problem, fewer for serious safety defects) or 30+ cumulative days out of service. Once you meet the presumption, the remedy is repurchase or replacement, not one more repair attempt.
What if the car is used or leased?
Some state lemon laws cover used or leased vehicles, and many don’t. Magnuson-Moss still covers any written warranty, certified pre-owned warranties are enforceable, dealer fraud is illegal no matter how old the car is, and an “as-is” sale doesn’t give the dealer permission to lie. The toolkit shows which of these tools still apply after a used-car purchase.
Car Trouble Kit provides self-help document templates and general information. It is not legal advice, and it is not a substitute for the advice of an attorney. Kits For That is not a law firm. Lemon law periods, presumptions, and notice requirements vary a great deal by state and change over time, so check your state’s current statute. Facts verified as of July 2026.