This E-Z-GO Medalist OEM Service Manual is needed if you plan to do any work to your vehicle. We would never fault you for taking it to a dealer, but if you want to save money and have confidence, we have the product for you.This original equipment manufacturer or OEM manual is not an aftermarket guide for theorizing solutions. It is the book the techs at the factory used to seem like they have been doing it for years. The golf cart manual allows moderately proficient owners to service their machines without relying on dealers to bail them out. It includes diagrams and instructions that have all the parts labeled with the OEM part numbers so that you can quickly call Buggies Unlimited and get what you need. There is no reason to put this purchase off; it should be the very first one you make for your golf cart. Knowledge is power even in the golf cart world.