MICHIGAN VEHICLE CODE (EXCERPT)
257.674 Prohibited parking; exceptions; bus loading zone; violation as civil infraction.
Sec. 674. (1) A vehicle shall not be parked, except if necessary to avoid conflict with other traffic or in
compliance with the law or the directions of a police officer or traffic-control device, in any of the following
(aa) In a place or in a manner that blocks access to a space clearly designated
as a fire lane.
Bold is my addition...