Mich. Comp. Laws § 257.248a: Vehicle dealer; prohibited advertising or representations; designated business hours.

Sec. 248a.

(1) A motor vehicle dealer shall not advertise or represent a motor vehicle to be a demonstrator, executive or manufacturer's vehicle, leased vehicle, new motor vehicle, or used or secondhand vehicle unless the vehicle so described is as defined in this act.

(2) A motor vehicle dealer shall maintain and adhere to designated business hours that are filed with the secretary of state.