In California, there is a rebuttable presumption that your vehicle is a lemon if one of the following are true in the first 18 months or first 18,000 miles: – The vehicle is repaired at least two times for a serious safety defect that can cause serious bodily injury or death; or – The vehicle is repaired at least four times for the same non-substantial safety defect; or – The vehicle is out of service for a total of more than 30 days for any combination of defects.