The requirements in Wisconsin are pretty significant/hard to meet:
Your vehicle is a lemon if all of the following statements are true:
- You bought or leased a new vehicle.
- The vehicle is a car, truck, motorcycle or motor home.
- The vehicle developed a defect or defects during its first year and before the warranty expired.
- The defect seriously harms the vehicle's use, value or safety.
- One of the following happened during the vehicle's first year and before the warranty expired:
- The dealer failed four times to fix the same defect; OR
- The vehicle was out of service for 30 days or more due to defects