Here are some guidelines for knowing whether or not your car is a lemon: Does the vehicle have a serious defect or abnormal condition; is the defect or condition covered by a manufacturer’s written warranty? Have you reported the defect or condition to the dealer or manufacturer within the warranty term? Have you given the dealer or manufacturer a reasonable number of attempts to repair the defect or condition? Have you given the owner gives the manufacturer written notice of the defect and at least one opportunity for repair? Does the defect or condition persists and substantially impairs the vehicle’s use or market value or creates a serious safety hazard?