Rule 411. Liability insurance. (1) Except where lack of liability insurance is an element of an offense, evidence that a person was or was not insured against liability is not admissible upon the issue whether the person acted negligently or otherwise wrongfully

(2) Subsection (1) of this section does not require the exclusion of evidence of insurance against liability when offered for another purpose, such as proving agency, ownership or control, or bias, prejudice or motive of a witness. [1981 c.892 §30]