See a landlord / tenant attorney at once. Michigan has strong protections for tenants, but you have to assert those rights. You can search for a landlord / tenant attorney by AVVO search. Look at the profiles of the attorneys listed, and call one you like.
We do not have a client/attorney relationship until you make an appointment, we discuss your case face to face, I accept a retainer, and we explictly agree to enter into representation.
You will have to engage an attorney, and have them read the rental agreement. As you will incur fees it might be more economical to pay the past due rent and retrieve your property. Generally the only thing you will be able to accomplish is the delay of your departure. You may also find yourself subject to a judgment for the arrears. Speak with a practical attorney.
To the PROSPECTIVE client, please call myself or another attorney for your choice with more detaiils and an appointment. My PRELIMINARY answer to your question(s) is for general purposes and based upon what little information you have conveyed. It is based on such limited information that the general answer should never be relied as a reason for your action or inaction. My response does NOT establish an attorney-client relationship and such may only be established by mutual agreement, and the signing of a written retainer agreement, which will generally require payment for our services, as this is what we do for a living and, just like you, we must get paid for our work.. .