Preventative car maintenance is imperative to the safe and efficient operation of your vehicle. Early inspections can catch defective parts and other problems before they become serious. Preventative car maintenance plans from dealerships or car makers cover everything that would normally need to be done to keep the vehicle warranty valid, for free. This means that oil changes, air filter inspections and changes, brake inspections and repairs and tune ups are all provided to you at no cost for the life of the maintenance plan. The aim of the plan is to hopefully find problems not covered by the plan, which can be bid on for repair. Most maintenance plans last for two years or 24,000 miles, whichever comes first. Unless an extended plan is purchased.
For more info, see How to Save Money through Preventive Vehicle Maintenance