Did you know their is a car care center on Disney property?? Well, their is!!!
it is located close to Magic Kingdom, you probably have passed it without noticing. Connected to the car care center is a car rental location.
You can get a shuttle form your resort to the rental location. You need to speak with the concierge front desk, probably a day in advance would be best. They will get you set up to be picked up and taken to the car rental location at that car care center. So, if you are going to Universal or have plans for something else you can rent a car for a day or longer after you have arrived on Disney property.
If you are their with your own vehicle and it needs some repairs or needs to be checked out, go there. The phone number is 407-824-0976.
Safe driving!