Michigan Compiled Laws, Chapter 257. Motor Vehicles § 257.1307f

(a) Improperly utilize waivers in a manner that suggests or implies, directly or indirectly, orally or by action, that signing a waiver will improve or expedite service or repairs or will reduce the price.

(b) Exaggerate the seriousness of a malfunction to induce a customer to agree to a repair.

(c) Suggest or imply, directly or indirectly, orally or by action, that service will be improved or expedited or that the price will be reduced if the customer agrees that the facility is not required to return for inspection any parts that the facility replaced.

(d) Misrepresent that because of some defect in the customer's motor vehicle, the health, safety, and lives of the customer or his or her family are in danger if parts or repair services are not purchased, if in fact the defect does not exist or the installation of the parts or the performance of the services would not remove the danger.