Cyclone
Cyclonic Member ((.oO))
It will install automatically, I dont remember the default time however. If your car is set to update at 1am, and the update happens at 1:15 you will have to manually install.
I've had updates wait for user confirmation on my car for weeks. Are you sure you are not confusing an automatic install because of problem? Tesla has a way to force an install, so an automatic install because your SvC sent an update to fix a problem is not unheard of. Other than in such cases, I would be surprised to see automated installs.