https://llumin.com/maintenance-plan/
A maintenance plan is a roadmap-like document that defines the steps and proactive procedures done to maintain assets in a facility.

https://www.cars.com/articles/which-new-cars-have-free-maintenance-447261/
Some automakers add a sweetener on top of that new-car warranty: free scheduled maintenance that covers those expected costs for an initial ...

https://www.gmc.com/protection-plans/prepaid-maintenance
PRE-PAID MAINTENANCE. Covers engine oil/oil filter replacement, tire rotation, and Multi-Point Vehicle Inspection.