We often do split stays, and tend to leave our car at our AM hotel if possible. We often don't move our car to our 2nd hotel until late at night. It is less time consuming to stow our stuff with our AM hotel bell services most of the time.
Last summer, the main parking lot of CR was closed off to hotel guests for most/much of our stay. That was due to special events for the opening of the new Star Wars land. The fun part was one night we saw lots of folks arriving in rather elaborate cosplay costumes. I mean head-to-toe blue Aayla Secura! The less fun part was that the parking lot never got full. It just sat mostly empty; reserved in case event attendees wanted to park their cars, but few of them did.
On the first day, when we arrived, multiple CM's made semi-vague comments about how the hotel sometimes close of the parking lot to hotel guests when the convention center hosts big events. I didn't pay much attention because they didn't specify the parking lot would be closed during our stay. They just said the parking lot 'often closes' during big events, and sometimes it inconveniences guests. The parking lot was open when we checked in. I think it wasn't until the 2nd or 3rd day of our stay that the gate wouldn't open when we tried to park. There was no notice, nor did the security tell us it was closed...just the 2 vague statements from the CM's on the day we arrived, and the gate to the lot wouldn't open. (We later asked.)
The CM comments partly only caught my attention at all because two CM's oddly made almost the same comments. Their comments initially appeared to be a weird coincidence. Maybe it had come up during a staff meeting? We knew the land was opening, but it didn't occur to us SW events would be held all the way over at CR.
This was the week leading up to August 29th. Later, we swapped to Gran Destino, which was clearly holding pre-opening SW press events. The whole hallway near convention hall was transformed/decorated to look like SW. That was probably the coolest thing we saw that week. (We had no trouble finding parking at Gran Destino, right next to the building, and I wouldn't say the lot right in front of the tower is all that huge.)
Now plenty of times we've seen the valet parking rows of CR clear out at park close! Or at least they did in the before times.