You are the CEO of a cars maintenance center and desire. What is the best thing to do in order to manage the maintenance of each car?

every shop center should have a  P M O 

 in order to manage the maintenance of each car  as follow:

*every car should  have a maintenance JOB order before any repairing actions  

*every car should be inspected by a smart professional technician

*every car should be maintained according to the inspection sheet

*the necessary spare parts should be replaced according to the technical report

*after the process of  repairing  each car  should be tested and evaluated by engineers to have QA

Thank you for invitation & necessary information.

Well, PMO is the best option , although different  people have different working style and planning.

the answer is set up a PMO

Thanks for invitation

my answer Set up a PMO

Thanks for the invitation. I agree with your explanation.

I would say the best option is to set up a PMO.