Pick up locstions are on the confirmation sheet. At MCO I believe it's A12 or A13 and B12 or B13
If you mean the shuttle to the rental company, you just need to watch. There are a few signs that will direct you to where green motion shuttle will be, but we caught one as it stopped in one of the very first shuttle parking places. You just need to stand a watch for one. The run quite regularly.
Thanks! Your answer is awaiting moderation.