Updated October 16, 2026.
Vehicle warranty disputes introduce words that can sound interchangeable even when they have different consequences. A repair order, a manufacturer claim and a court complaint are not the same document. This glossary explains the questions to ask when those terms appear in your file.
Manufacturer warranty and service contract
A manufacturer’s warranty describes that manufacturer’s obligations and limitations. A separately purchased service contract may involve another provider and different terms. Keep both documents, including their dates, mileage limits and exclusions.
For a used vehicle, do not assume that remaining factory-warranty time gives every purchaser the same statutory rights as a new-car buyer. The actual transaction and warranty issued with it require review. The California Department of Consumer Affairs FAQ provides a starting overview.
Nonconformity and substantial impairment
A nonconformity refers to a problem evaluated against the applicable warranty requirements. Substantial impairment concerns its effect on use, value or safety under the relevant legal standard. A symptom description alone is not a final eligibility finding.
Describe what happens, how often and under what conditions. Distinguish your observations from a technician’s diagnosis. A recurring stall and a dashboard rattle should not be assigned the same legal significance merely because both caused a service visit.
Repair attempt, days out of service and presumption
A repair attempt concerns an opportunity to address the reported condition. The work order, complaint and findings help establish what happened. Days out of service concern time the vehicle was unavailable for relevant repairs; support dates with records rather than an estimate from memory.
A legal presumption is an evidentiary rule with specific conditions. It is not a universal guarantee of eligibility or the only possible route to a claim. Do not read a two-, four- or thirty-day checklist as automatic entitlement to a refund.
Repurchase, replacement and cash settlement
Repurchase is often called a buyback. Replacement involves another vehicle. A negotiated cash settlement may let you keep the existing vehicle while releasing specified claims. These should not be presented as three identical statutory refunds.
A mileage offset is a deduction whose basis should be explained. Ask which mileage, formula and records support it; it is not simply a subtraction of one dollar per mile. Review lender payoff, add-ons and incidental expenses separately. Our compensation guide discusses comparing remedies.
Notice, arbitration and litigation
A notice communicates a demand or information under a particular process. It should not be assumed to start every legal deadline. California’s newer procedure page explains why the manufacturer’s election needs checking.
Arbitration is a dispute-resolution process outside a court trial; its effect depends on the program and acceptance rules. Litigation means a court case. Neither term guarantees a favorable result or that the other process is unavailable.
Fee recovery, expenses and release
Potential attorney-fee recovery is different from your fee agreement. Case expenses are another category. Ask what may be owed under different outcomes rather than assuming “fee shifting” means every service is free.
A release defines claims being given up in a resolution. Read it with the payment and vehicle-return terms. Contact Fairmont Law Firm for a free case review at (800) 324-7666; intake assistance is available 24/7 in English and Spanish.
General information, not legal advice. Definitions do not establish eligibility in a particular case.