Used Lemon Law — Civil Legal Guide. Understanding used lemon law and your civil legal options, explained in plain language. Vehicle and lemon-law disputes turn on documentation: every repair order, the date and mileage of each visit, and all written contact with the dealer or manufacturer. Most state lemon laws require a reasonable number of repair attempts for the same defect before you can demand a refund or replacement. A demand letter that lays out that timeline and cites your state's warranty statute often moves a stalled claim without a courtroom. Do you need a lawyer for used lemon law? In most cases, no — small claims court is designed for people representing themselves, and a demand letter can often resolve the matter before any filing. How much does it cost? A professional demand letter through PettyLawsuit is $29, and small claims filing fees (if you ever need them) typically run $30 to $200 and are often recoverable if you win. When you're ready, PettyLawsuit turns this into action: a professional demand letter sent by certified mail for $29, and — if it comes to that — the correct small claims forms for your state with step-by-step filing help. Most disputes settle once a formal demand letter arrives, so you may never see a courtroom.