If the investigator that has been hired by your own insurance carrier concerning a claim by the lienholder on the vehicle that you were in a presumed accident is asking questions that you believe are too personal you need to ask the reasons for the need to know such information. You need to be aware that under your insurance policy there is most likely a provision that you need to cooperate with your insurance carrier as to all matters that you are involved in.If you are not pleased with the questioning that the investigator is having with you, your recourse is to contact your claims representative to voice your concerns. Another option is for your to consult with a personal injury attorney experienced in insurance law.