NJ Lemon Law, in plain English
What it covers and why it matters
If your car keeps breaking down and the dealer can’t fix it, New Jersey’s Lemon Laws may get you a refund or replacement.
NJ has protections for new cars and a separate Used Car Lemon Law for dealer-sold used vehicles.
- Repeated repair attempts for the same defect.
- 20+ total days in the shop within the coverage period.
- Serious safety issues that persist even after repair visits.
- Problems not caused by abuse, neglect, or unauthorised mods.
- Confirm your car was bought, leased, or registered in NJ.
- Start a folder for repair orders, dates, and communications.
Who may qualify in New Jersey
New vs. used vehicle coverage
New vehicles: Generally covered for the first 24 months or 24,000 miles, whichever comes first, if defects substantially impair use, value, or safety.
Used vehicles: Coverage applies to cars bought from licensed NJ dealers with a limited dealer warranty. Warranty length depends on miles at sale, typically 30–90 days or 1,000–3,000 miles.
- New cars: Usually 3 repair attempts or 20+ cumulative days out of service to trigger the presumption.
- Serious safety defects may need fewer repair attempts.
- Used cars: Must be dealer-sold, often under 100,000 miles and purchase price $3,000+.
- Private sales and as-is sales typically are not covered.
- Check your in-service date and odometer to see if you’re in the new-car window.
- For used cars, read the dealer’s limited warranty and note its time/mileage limits.
Key NJ rules and deadlines
Notice requirements and where to file
Before filing a new-car lemon claim, NJ generally requires you to give the manufacturer a final chance to repair after written notice.
You can file through the NJ Division of Consumer Affairs Lemon Law Unit or go to court. The state program is a quicker, lower-cost path.
- Deadline window: typically first 24 months/24,000 miles for new cars.
- Repair threshold: 3+ attempts for the same issue or 20+ days out of service.
- Remedies: refund or replacement, usually minus a mileage/use deduction.
- Used-car claims focus on defects covered during the dealer warranty period.
- Send a dated, certified letter to the manufacturer (new car) or dealer (used car) describing the defect and repair history.
- If not fixed, file with the NJ Lemon Law Unit and attach all records.
- Attend the hearing or mediation with your documents organized.
- If needed, consult an attorney; fee-shifting may cover legal fees if you win.
Step-by-step: what to do now
Fast action checklist
Move quickly so you don’t run out the clock on time or mileage limits.
Document everything and keep all repairs at authorized facilities.
- Ask the service department to write the exact complaint you report.
- Request a repair order and itemized invoice every visit, even if no fix.
- Track days out of service and tow/loaner records.
- Avoid aftermarket mods while your claim is active.
- Schedule a repair with an authorized dealer and describe the defect clearly.
- Repeat repairs as needed; keep each repair order.
- Create a timeline of dates, mileage, symptoms, and outcomes.
- Send a certified, return-receipt letter giving a final repair opportunity.
- Photograph warnings, leaks, or dashboard lights.
- File with the NJ Lemon Law Unit if the defect persists.
- Prepare for the hearing: organize records and practice a 3–5 minute summary.
Common mistakes to avoid
Protect your claim
Small errors can derail an otherwise strong lemon claim.
Stay within warranty limits and keep your paper trail clean.
- Letting the 24 months/24,000 miles (new cars) or dealer warranty (used) expire.
- Not giving the manufacturer a final repair chance (new car claims).
- Getting repairs at non-authorized shops during the coverage period.
- Losing receipts or failing to document days out of service.
- Describing different symptoms each visit instead of the recurring defect.
- If you missed a step, act now: send notice and book an authorized repair.
- Request copies of any missing repair orders from the dealer’s service desk.
What to gather before requesting help
Documents that win NJ lemon cases
Strong documentation speeds up decisions and improves outcomes.
Organize files by date and staple receipts to each repair order.
- Purchase/lease agreement, window sticker, and registration.
- All repair orders, invoices, tow/loaner records, and mileage at drop-off/pickup.
- Photos/videos of symptoms and dashboard warnings.
- Written communications with the dealer/manufacturer.
- Your certified mail notice and green card/receipt.
- Warranty booklet, recalls, and any technical service bulletins (TSBs).
- Contact the NJ Lemon Law Unit to confirm forms, fees, and current filing address.
- If the car is unsafe, ask the dealer for a loaner and note dates/mileage.