When the warranty company rejects a claim based on the consumer’s improper maintenance, or because the consumer abused the vehicle, the consumer has the burden of proof to show that the vehicle’s problem is a result of a factory defect as opposed to the consumer's lack of maintenance. This will require the consumer to hire an expert mechanic to conduct an inspection of the vehicle, prepare a report, and be willing to testify if he/she discovers that the vehicle is defective, and that the consumer is not the cause of the vehicle’s mechanical problems.