Make sure the car looks good to you. No dings, dents etc. Car is clean and shiny. Stand back and and look the whole car over, take someone with you that may see things you don't. Check the interior make sure all the trim is on and isn't hanging. Extra set of eyes is always best. This is just like buying any other car. If something needs to be fixed have them fix it.This is a little bit of a thread jack, but a small someone who wouldn’t think to look at stuff like this upon taking delivery of a car, what should I actually care about and look for?
The car I am driving now the lease is just about up and I am getting a Model 3 AWD. The car had a scratch I didn't see on top of the door but my wife saw it, we told the dealer and they took the car back in and fixed it. Tesla may ask you to bring it back.
Honestly I don't think you will find anything. I have been to the Tesla sC/Store by me 3 times looking and haven't seen anything that jumps out at me. I am anal about my cars. Lease inspectors have told me multiple times that they haven't seen vehicles kept in such great condition.