(1) A written covenant not to sue or release of a person who is or may be jointly and severally liable with other persons for a claim shall not release or discharge the liability of any other person who may be liable for the balance of such claim.
(2) At trial, if any person shows the court that the plaintiff, or his or her legal representative, has delivered a written release or covenant not to sue to any person in partial satisfaction of the damages sued for, the court shall set off this amount from the amount of any judgment to which the plaintiff would be otherwise entitled at the time of rendering judgment.
(3) The fact that a written release or covenant not to sue exists or the fact that any person has been dismissed because of such release or covenant not to sue shall not be made known to the jury.