We have a 3:00 reservation to pick up an SUV thru Alamo at the Car Care Center on a Saturday, and we aren't sure how it will work. Our intention is to go to the AK at park opening, then pick up the SUV during our afternoon break. We are planning on taking one of the shuttles to rent the Car Care Center. Will we need to return to our resort to be picked up, or will they send a shuttle to the park? Also, is there a possibility that the SUVs will be gone at that point in the day? If so, will they give us an upgrade? How far in advance should we call to reserve the Alamo shuttle to come and get us? Thanks for any help!