they do send email notifications. but the easiest thing to do is logon to your account, click on "trips" at the top right, then with one click you can see what you have "confirmed" "on hold" and check your "ongoing searches."
I have some fairly major gripes on the website. But it is pretty functional when checking the current status of things. The only criticism here is "vacation history" is kind of fried. I have yet to book a studio with RCI, but it tells me every one of my past vacations were in studios.