Transporting or possessing loaded firearm in or upon vehicle propelled by mechanical means; violation as misdemeanor; penalty.

Mich. Comp. Laws § 750.227c, under THE MICHIGAN PENAL CODE.

Mich. Comp. Laws § 750.227c

Sec. 227c. (1) Except as otherwise permitted by law, a person shall not transport or possess in or upon a sailboat or a motor vehicle, aircraft, motorboat, or any other vehicle propelled by mechanical means either of the following: (a) A firearm, other than a pistol, that is loaded. (b) A pneumatic gun that is loaded and expels a metallic BB or metallic pellet greater than .177 caliber. (2) A person who violates this section is guilty of a misdemeanor punishable by imprisonment for not more than 2 years or a fine of not more than $2,500.00, or both.