Breaking and entering into a person's car, outbuilding or home is a crime if the entering is done with a wrongful purpose and with an intent to harm the person who owns the car, outbuilding or home is a could be a misdemeanor or a felony given the specifics of the conduct, the item taken and resulting damage.Your husband's intent was to retrieve an item that belonged to your husband haphazardly left in this customer's car and nothing more. He entered the vehicle after several attempts to make contact with the car's owner to get his own flashlight and used self-help without permission to gain access to the vehicle albeit where there was no damage.Your husband did not create any crime be it a misdemeanor or a felony. However, as a business man he used poor judgment with respect to a customer which makes him look bad and which possibly cost him this customer.