Michigan Compiled Laws, Chapter 600. Revised Judicature Act of 1961 § 600.2949b

Sec. 2949b.  (1) The manufacturer of a vehicle is not liable and must be dismissed from any action for alleged damages resulting from any of the following unless the defect from which the damages resulted was present in the vehicle when it was manufactured:

(2) A subcomponent system producer recognized as described in section 244 of the Michigan vehicle code, 1949 PA 300, MCL 257.244, is not liable in a product liability action for damages resulting from the modification of equipment installed by the subcomponent system producer to convert a vehicle to an automated motor vehicle unless the defect from which the damages resulted was present in the equipment when it was installed by the subcomponent system producer.

(3) A motor vehicle mechanic or a motor vehicle repair facility that repairs an automated motor vehicle according to specifications from the manufacturer of the automated motor vehicle is not liable in a product liability action for damages resulting from the repairs.

(4) Sections 2945 to 2949a   1 do not apply in a product liability action to the extent that they are inconsistent with this section.

(5) As used in this section: