True, that is what the manual calls for and I'll mention it to them the next time I talk to someone there.
That is the "down side" and this is my first time buying this way so we'll see how it goes; others here seem to have had a good experience though.
The lack of having to deal with car lots & salesmen or meeting private parties all over town is very nice. Every car I've ever bought from a dealer (new or used) has always ended up being an all day affair but this feels like Amazon Prime for cars. My time is worth more to me than the $1000 or so I may save haggling with salespeople and sitting in their office all afternoon while they "check with their manager" or whatever nonsense. (which often happens even if you work out the deal via email ahead of time)
... Actually, now that I think about it, this isn't a whole lot different than how I bought (leased) my old, 2013 Volt. I ended up going through an out-of-state dealer that had the car "delivered to me" from a local one (dealer-to-dealer transaction). I didn't even get the 7 day test drive kind of thing that Carvana gives you; albeit, this is a used car vs. a new one with full factory warranty.
I put "delivered to me" in quotes above because I actually was the currier that picked the car up from the other dealer ... he shipped me dealer plates that I put on the car there, then drove it home and switched them out for the temporary paper one and FedEx'ed his dealer plates right back to him. That was a bit of a hassle but somewhat fun too! All of that because not a single DFW dealer could come close to the price they were able to give me - a trend that seems to still be true here - I guess DFW just doesn't have enough Volt volume to get the manufacturer kick backs or something.
My car buying experience was actually wonderful. I emailed, they told me about their current deals, I did some math, had a great deal on a G1 ($23K off a new $44K MSRP Volt). I went in, test drove, came back, the salesman was finishing up another deal, so I got to play for about an hour with all the buttons and electronics on the dash. I came back the next day with a check, some W2s and filled out some finance forms, and in 45 minutes I was headed home, only 1.5 miles away. I think part of the friction free sale was that the regular finance guy was on vacation so there was no hard sell for an extended warranty, scotchguard, undercoatinge, service plans, etc.
Alas, I was lurking and drooling over this car for 6+ month as it taunted me every time I drove by. When I would stop late at night or on weekends when they were closed, I gawked at the $44k MSRP and concluded that I'd never own one. But the great $5K price drop plus fed tax credit plus state rebate plus end of year sale plus GM card rebate plus dealer haircut plus trading of a car I got for free plus state taxed paid for by the dealer meant a deal of a lifetime. And I have a Ford Fusion Energi owner to thank. She bought a new Ford because she wanted one right off the lot, but she test drove a used volt and wanted a new one, just couldn't wait because her Saturn was not running. She's the one who told me about the $5k price drop. That got me in the door. The rest was just gravy. Good thing my Fusion Energi friend didn't know about this dealership 18 miles away from her.