Some of it can be turned off permanently, some of it needs to be turned off each time you start the car, and some of it can't be disabled. Such is the trend with modern cars. The owners manual likely can provide the details on each specific thing- but here's a few off the top of my head:
I don't think the maintenance required notification can be disabled. I think your best bet is to wait for it to come on every 4500 miles and then reset it using the directions in the manual- which usually involves you going into the instrument cluster menu and doing the reset. Using the steering wheel controls, go into the settings (gear icon), then to vehicle settings, then maintenance, then there should be a reset mode. There are a
few videos on YouTube that walk you through the process if you search for "2025 Corolla reset maintenance light". The one I linked is for a 2022 Corolla, but it should be similar.
The automatic parking brake should be able to be disabled. In most Toyotas, you turn on/off the automatic function by pressing and holding the parking brake switch for a few seconds.
Here's a video that shows you how to do it.
In terms of the seatbelt notification- I think that's something a scan tool or the dealer can disable, but many dealers won't due to liability issues. It varies from model to model, so I'm not 100%.
In terms of the driver assistance functions like lane keep assist and automatic braking- some of it can be adjusted or turned off. Again, some of it will turn back on when you restart the vehicle, but you might be able to adjust it so that it's not so intrusive. The manual can likely describe how to do this- but in most Toyotas you adjust the settings in the instrument cluster menu.